Gremlins in the wires…

yo, I need to roll now, so I'll post what I have for now & can diagnose later or you can diy.
CC Wiring Diagram in 93-96

Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net


Courtesy Lamps, Bronco Without Remote Keyless Entry

in a 96 from 1996 F Bronco Vehicles Workshop Manual
Source: by Ford via thedieselstop.com



Courtesy Lamps, F-Series/Bronco with Remote Keyless Entry




Courtesy Lamps, F-Series/Bronco with Remote Keyless Entry (Continued)




Courtesy Lamps, F-Series/Bronco with Remote Keyless Entry (Continued)




Remote Keyless Entry Module Connector C2


Pin Number Circuit Circuit Function
1 57 (BK) Ground
2 117 (PK/BK) Lock All Doors
3 163 (R/O) Driver's Door Unlock
4 119 (PK/Y) Door Lock Switch (Lock)
5 120 (PK/LG) Door Lock Switch (Unlock)
6 118 (PK/O) Unlock All Doors
7 53 (BK/LB) Illuminated Entry Output
15 57 (BK) Ground
16 117 (PK/BK) Lock All Doors
17 706 (GY) Door Jamb Switch
18 118 (PK/O) Unlock All Doors
19 53 (BK/LB) Illuminated Entry Output
20 — Not Used

Remote Keyless Entry Module Connector C3

Pin Number Circuit Circuit Function
8 — Not Used
9 — Not Used
10 54 (LG/Y) Power (Hot at All Times), Battery Saver Input
11 705 (LG/O) Battery Saver Output
12 705 (LG/O) Battery Saver Output
13 195 (T/W) Park Lamps Input
14 171 (BK/W) Power (Hot at All Times)
21 — Not Used
22 — Not Used
23 54 (LG/Y) Power (Hot at All Times), Battery Saver Input
24 14 (BR) Park Lamp Output
25 171 (BK/W) Power (Hot at All Times)
26 1 (DB) Horn Relay


Remote Keyless Entry Module Connector C1

Pin Number Circuit Circuit Function
1 54 (LG/Y) Power (Hot at All Times)
2 — Not Used
3 — Not Used
4 — Not Used
5 875 (BK/LB) Signal Ground (Diesel Only)
6 182 (BR/W) Ignition Switch Ground
7 — Not Used
8 — Not Used
9 — Not Used
10 809 (GY/Y) Remote Keyless Program B
11 — Not Used
12 — Not Used
13 — Not Used
14 — Not Used
15 808 (W/Y) Remote Keyless Program A
16 — Not Used



btw, CC Recall for 93-96 Bronco, 94-02 F-150, 97-02 Expedition & 98-02 Lincoln Navigators; NHTSA CAMPAIGN ID Number: 05V388000, 07V336000 & 05V017000; Recall Date JAN 27, 2005 & Update; (search for 07V336000 & 05V017000 in "Safety Recalls)' ON CERTAIN SPORT UTILITY VEHICLES AND PICKUP TRUCKS, THE SPEED CONTROL DEACTIVATION SWITCH MAY OVERHEAT, SMOKE, OR BURN THIS CONDITION COULD LEAD TO A FIRE. FIRES HAVE OCCURRED WHILE THE VEHICLES WERE PARKED WITH THE IGNITION 'OFF.' AS AN INTERIM REPAIR, OWNERS WILL BE INSTRUCTED TO RETURN THEIR VEHICLES TO THEIR DEALERS TO HAVE THE SPEED CONTROL DEACTIVATION SWITCH DISCONNECTED. AS SOON AS REPLACEMENT PARTS ARE AVAILABLE (EARLY APRIL 2005), OWNERS WILL BE INSTRUCTED TO RETURN TO THE DEALERS FOR INSTALLATION OF A NEW SWITCH FREE OF CHARGE. OWNERS MAY CONTACT FORD AT 1-800-392-3673. (NOTE: ALSO SEE RECALLS 05V388 AND 06V286) FORD RECALL NO. 05S28. CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV
Source: by Ford & NHTSA via miesk5 at FSB
"took it to the dealer today and got a new one installed free ." 12 April 2011
Source: by tr21triton at FSB


GROUND
Locations & Components in a 96; G101 front of engine compartment, front of fender apron (D1) - RH = Passenger side mine has 2 small black wires between starter relay & headlight; this is #5 in the diagram; G100 & G104 (tied together in diagram); G100 @ LH front of engine compartment on upper radiator support; G104 @ Rear of LH fender apron near hood hinge and 4WABS Test Connector (RED); G100 Serves Component, LH Oxygen Sensor, Fuel Pump Module, Inertia Fuel Shutoff, Misfire Sensor, Misfire Sensor Shield, Output Shaft Speed (OSS) Sensor, Powertrain Control Module (PCM) 5.0L; G101 Serves, RH Oxygen Sensor; G104 Serves Component: 4WABS Control Module, 4WABS Data Link Connector, 4WABS Relay #1, Instrument Cluster, Powertrain Control Module (PCM) 5.8L, Powertrain Control Module (PCM) 5.8L,
Programmable Speedometer/Odometer Module (PSOM),
Trailer Relay Box; G103 (battery to engine) Lower RH front of engine serves Component, 4WABS Pump Motor, Battery, Data Link Connector (DLC), Mass Air Flow (MAF) Sensor, Powertrain Control Module (PCM) 5.0L, Powertrain Control Module (PCM) 5.8L, Right Front Park/Turn Lamp, Right Front Side Marker Lamp
Right Headlamp;

G201 Behind bottom of LH cowl panel (driver's side kick panel)
Component, Compass/Outside Temperature Module,
Day/Night Mirror, Inside Cargo Lamp, Left Power Lumbar Compressor Motor, Outside Cargo/High Mount Stop Lamps, Right Power Lumbar Compressor Motor, Seat Belt Switch, Door Lock Actuator (PDL & Probably Power Window Motor);

G200 Behind bottom of RH cowl panel serves Component, Air Bag Diagnostic Monitor, Electronic Shift Control Module, Instrument Cluster, Programmable Speedometer/Odometer Module (PSOM), Remote/Keyless Entry Module, Speed Control Servo/Amplifier Assembly;

G103 (battery to engine) Lower RH front of engine serves Component, 4WABS Pump Motor, Battery, Data Link Connector (DLC), Mass Air Flow (MAF) Sensor, Powertrain Control Module (PCM) 5.0L,
Powertrain Control Module (PCM) 5.8L, Right Front Park/Turn Lamp, Right Front Side Marker Lamp, Right Headlamp; G400 Rear Window Defroster @ LH rear corner of cargo area, near rear lamp assembly; Engine Block pic in a 94 5.8; "...The black battery wire goes from the front bolt of the engine mount (on the block) to this tab & up to the battery post, where a smaller black wire goes to the core support, providing a continuous ground path between the engine, frame, battery, & body; Frame & Battery pic in a 93; "...With the wheelwell gone, it's easy to inspect the frame ground, just inboard of the spring tower on top of the frame rail. The battery ground cable is stripped ~3/4" and a tab is soldered on so it can be bolted to the frame; Intake Manifold to Block Strap Location in a 96 5.0 is between 2nd & 3rd plugs on passenger side;
SEE DIAGRAMS

by miesk5 at Ford Bronco Zone Forums

yo CWO M

Did you ever repair this yet?
"... hate to hi jack the thread, but I cannot post a thread due to the 30 post minimum…
I too have a tanny issue, I just rebuilt and a 96 E4OD with 121000 hooked to a 351W, rebuilt as well. It fit together nice and all gears, plates and clutches lined up. The shaft spins without hesitation and I checked the tranny lines for flow. However, the truck will not move!
I know I messed up the check balls, I took eight out and the rebild directions called for ten so that is what I did. The question I have is, could check balls be the issue or do you think I missed something else? I know it was stupid to go with the 10, but I just figured I missed a few on the tear down. I ensured all seals faced the flow of oil, replaced all the O Rings and the what nots. This was my first rebuild and I had the help of someone who has been in many transmission, just not and E4OD.
Any thoughts and suggestions are appreciated...

This is from 96's OFFICIAL FORD Workshop Manual
Place a small amount of petroleum jelly on each of the eight rubber check balls and the steel EPC check ball. Position balls on the valve body separator plate as shown.

yo, For a blinking TCIL
This problem could be caused by a # of thangs as you know;
Is tranny shifting good now?
Is Amber (yellow) ABS Lamp Lit ll the time?
Is PSOM wavering at speed or inop?

There are two types of OBD II Code Tests, Key On Engine Off (KOEO) & Key On Engine Running (KOER).
get it scanned for Free this at a local parts store,

make sure they do both Key On Engine Off (KOEO) & Key On Engine Running (KOER).
no matter what they claim, which is usually, "it doesn't matter", bu it does matter.

The engine temperature must be greater than 50°F (10°C) to pass the KOEO Self-Test
and greater than 180°F (82°C) to pass the KOER Self-Test.

Run it around to heat the engine up and shift thru all gears incl Reverse. Then turn off all accessories/lights, etc.

Make sure A/C is off and transmission is in Park (automatic) or in Neutral for a Manual & release clutch.

Do Key On Engine Off (KOEO) portion first.

Look Codes up in my broncolinks.com site using the new Search function.

And Post em here according to KOEO & KOER

=========================

Could be as simple as:
Transmission Control Indicator Light (TCIL) Troubleshooting in 92-96; "... Several different complaints concerning the overdrive cancel indicator may occur due to a faulty O/D cancel LED. At times the light may simply fail to light, flicker erratically, or glow very dim. Tapping the shift knob lightly may affect the operation of the LED, causing it to work temporarily. These complaints are usually due to a faulty O/D indicator LED. To replace the LED carefully pry the cap off the end of the shifter and pull the LED/switch out. Slide the new switch into position and snap the cap back on. Note: Don’t confuse the above conditions with a steady flashing pattern of the O/D cancel light. A steady rhythmic flashing pattern indicates a malfunction has been detected by the computer.; Part #F58Z-7G550-A..."
Source: by ATC-Distribution Group Inc. atcdg.com via web.archive.org

E4OD Overdrive Cancel Light & Switch Replacement; It is easy to replace & under $12.00 from local Ford dealer or OUR SPONSOR; Jeff's Bronco Graveyard;
"This is the overdrive button on the end of the column shifter, comes with small cap. Price: $10.00."

be ready to catch the switch/LED assy when prying it off; it is spring loaded..not much force.
Source: by miesk5and; I need to look for my notes on what fuse blew due to a harness short under strg column that affected the OD Cancel Light (it blinked randomly, no Trouble Codes or tranny malfunctions though); think it was 17
Check wiring where shifter meets column and down;
by miesk5
Fuse Block Diagram in an 96 by our pal here, roadkill


"...check the wires coming out of the shifter handle, I have had several trucks have those wires short out and cause some strange symptoms. Just pull the plastic cover off the top of the column and take a look, it's pretty obvious when it happens..." by jrainw


Here is a TSB that deals with it; for a 92 though.. and may apply, becuse Ford does mention Fuse 17;... even tho year range is off...
1992 Ford Truck F 150 4WD Pickup V8-351 5.8L
Vehicle Level Transmission and Drivetrain Technical Service Bulletins Customer Interest Electrical Systems - Multiple Malfunctions
Electrical Systems - Multiple Malfunctions
Article No. 92-22-5 10/21/92
LIGHT TRUCK: 1992 BRONCO, F SUPER DUTY, F-150-350 SERIES
ISSUE:
The transmission control switch wiring may be misrouted causing a short in the steering column and a blown # 17 fuse. The following symptoms may be associated with this concern.
Early shifts
Loss of power
Poor acceleration
3-4 shift cycling
Transmission control light cycling ON/OFF or inoperative
Transmission control switch inoperative
Rear Anti-Lock Brake System (RABS) electronics (dash lights on, etc.) inoperative
Loss of instrumentation (tach, fuel gauge, etc.)
Unable to read Self-Test codes (solid tone only)
ACTION:
Inspect the transmission control switch wiring for damage and repair or replace as necessary. Refer to the following procedure for service details.
1. Remove the steering column cover. Refer to the 1992 Bronco/F-Series Service Manual, Section 11-04B, for the removal procedure.
2. Examine the transmission control switch wiring for damage, Figure 1. (I don't have this Figure)
3. Repair or replace the wiring as necessary.
4. Install the steering column cover. Refer to the 1992 Bronco/F-Series Service Manual, Section 11-04B, for the installation procedure.
CAUTION:
DURING REASSEMBLY, ROUTE WIRING AWAY FROM ATTACHING SCREW SO AS NOT TO PINCH OR DAMAGE WIRE.
OTHER APPLICABLE ARTICLES: NONE

or some other rel <$ probs (MLPS, etc.)
or more $ stuff; many are listed in my site

The tranny run like a TOP! Smooth shifts and strong responce to throttle. I could not be happier with the way it turned out. I was not able to pull codes yesterday, but driving it 30+ miles into work today, the OD flashed, but the tranny was fine. Ran it in OD, gave it a little gas and she downshifted smoothly. Once in city traffic, I noticed the shifts were a little harder, but not extreme. Once the truck was turned off and started again, all was back to normal, no light and smooth shifts. The light only comes on at highways speeds. There are no other lights on, well, the "4 low" light has a very dim light. Put it neutral, shifted the transfer case in into 4 wheel drive, heard it engage, slipped into low, listend to it engage and then worked back out into 2 wheel drive. Thanks for the tests, I will run them tonight.

miesk5

I have been out of the picture for about a month now, I did fix my check ball issue.

As far as the flashing OD - I tried to read the codes with my scanner and did not give me any. My scanner did not ask to do KOEO/KOER tests.

the ABS light comes on every now and then. This morning it was on, with the flahing OD light. I do not have any speedo issues.

is there another way to do the KOEO / KOER tests manually? I am firmiliar doing these type of tests on earlier vechiles, but not with the OBD II.

Thanks
Michael

miesk5

I have been out of the picture for about a month now, I did fix my check ball issue.

As far as the flashing OD - I tried to read the codes with my scanner and did not give me any. My scanner did not ask to do KOEO/KOER tests.

the ABS light comes on every now and then. This morning it was on, with the flahing OD light. I do not have any speedo issues.

is there another way to do the KOEO / KOER tests manually? I am firmiliar doing these type of tests on earlier vechiles, but not with the OBD II.

Thanks
Michael

mcbmg95 said:

miesk5

I have been out of the picture for about a month now, I did fix my check ball issue.
As far as the flashing OD - I tried to read the codes with my scanner and did not give me any. My scanner did not ask to do KOEO/KOER tests.
the ABS light comes on every now and then. This morning it was on, with the flahing OD light. I do not have any speedo issues.
is there another way to do the KOEO / KOER tests manually? I am firmiliar doing these type of tests on earlier vechiles, but not with the OBD II.
Thanks
Michael

Click to expand...

-===================

Yo Michael,
I replied to your e-mail via FSB with info on the scan tool, but I can not see it here, nor in my e mail sent file....Thanks to Comcast lag..so I don't know if it went thru to you.

You can get codes in the 96 only with a scan tool using the Diagnostic Link Connector (DLC); under of ashtray, to right
Diagnostic Link Connector (DLC) Location pic in a 96; Boss Has a cord plugged into it (end rolled up on tranny hum carpet) in this pic; is under of ashtray, to right
Source: by bossind (boss, Steve) at http://www.supermotors.net/getfile/757663/original/dsc_0010.jpg

btw, Code Reader Will NOT Power up; 96 Bronco & all Ford; Check fuse 16 (15 amps) for the cigarette lighter. It is shared with the OBDII Diagnostic Link Connector power and could be blown; miesk5 note; lighter wiring shorted out @ ashtray support blowing Fuse for it & Diagnostic Link Connector.
Fuse Block Diagram in a 96

Source: by Roadkill (The Beast) at SuperMotors.net

Besides the visual check, if it looks good, then check for 12V .. if not 12v, then check Maxi-Fuse 20 (50 amps) - (it powers Fuses 4, 8 and 16 in (IP Fuse Panel). Also See Circuit Breaker 12) in
Power Distribution Box Diagram in a 96; Miesk5 Note; Box is Located under the hood on the drivers side fenderwell, on driver's side of the air cleaner housing; there is a change from Letters to Numbers in 96


Fuse Position Amps Circuits Protected
1 20 Radio
2 30 4WABS Relay No. 1
3 30 Horn Relay, Daytime Running Lamps (DRL), Multi-Function Switch, Speed Control
4 25 Trailer Marker Lamps Relay, Trailer Backup Lamps Relay
5 15 Heated Oxygen Sensor (HO2S), Backup Lamps, 4WABS, Trailer Battery Charge Relay, Daytime Running Lamps (DRL), Speed Control
6 10 Trailer Right Stop/Turn Lamps
7 10 Trailer Left Stop/Turn Lamps



Maxi-Fuse Position Amps Circuits Protected
8 30 4 WABS Relay No. 2
9 30 PCM Power Relay, Powertrain Control Module (PCM)
10 20 See Fuse 18 (IP Fuse Panel), Starter Relay
11 — Not Used
12 (Diode) 20 Ignition System, PCM Power Relay Coil
13 50 See Fuses 5, 9 and 13 (IP Fuse Panel)
14 30 Rear Window Defrost
15 50 See Fuses 1 and 7 (IP Fuse Panel) and Fuse 5
16 20 Fuel Pump Relay
17 50 See Fuses 2, 6, 11 and 17, Maxi-Fuse 22 and Circuit Breaker 14
18 30 Trailer Battery Charge Relay
19 40 Main Light Switch, Headlamps
20 50 See Fuses 4, 8 and 16 (IP Fuse Panel). Also See Circuit Breaker 12.
21 30 Trailer Electronic Brake Control Unit
22 20 Diode Current Flows from Fuse 22 to PCM Power Relay
Relay 1 Relay PCM Power Relay
Relay 2 Relay Fuel Pump Relay
Relay 3 Relay Horn Relay
Relay 4 Relay Trailer Marker Lamps Relay
Relay 5 Relay 4WABS Relay No. 2
================

Actron CP9135 AutoScanner Diagnostic Code Scanner Review with On Screen Definitions
Source: by miesk5 at FSB
I have the Actron CP9135 AutoScanner Diagnostic Code Scanner with On Screen Definitions - got it as a gift; it works as advertised and is ok for my use, but the instructions suck: they don't mention warming eng up for KOER test and a few other thAngs, such as providing very limited Code Definitions; I called em and mentioned this omission; tech support said "OK" and hung up.
So my Actron reads KOEO Codes by, "To retrieve Diagnostic Trouble Codes
(DTCs), press the READ key on the AutoScanner. This function can be
performed with the KOEO or KOER. If DTCs are present, they will appear on the display.

The KOER portion is done using,"The I/M (Inspection and Maintenance) Monitors function displays the state of the vehicle’s OBD II Monitors. Monitors test the operation of emission related systems or components and detect out-of-range values. The vehicle may have to be operated under certain driving conditions to initiate a monitor."

And an recent example; a PO500 Code read VSS Sensor, but actual cause(s) could be somethAng in the stream incl. bad 4WABS Controller, PSOM, wiring, tone ring.

See if your scanner is listed here; if not, google it and read the instructions
Scan Tool Instructions; Actron, Auto X-Ray, KAL
Source: by tradervar.com @ http://www.tradervar.com/instructions.htm


And it doesn't read the 4WABS Codes. But you can read te 4WABS Code using a Self Test !

4WABS Self Test & Test Connector Diagram, Component Locations, DTCs, 93-96; USE THIS PROCESS! "...The 4WABS TEST Connector is red; located at the left-hand side (driver's side) of the engine compartment and marked ANTI-LOCK TEST; Light Flash Technique 1. Note: If 12V test light is not available, the amber ABS warning light also flashes during this test. Locate test connector in the engine compartment and install 12V test light between Pins C and E. 2. With the ignition off, jumper Pin E to B. 3. Turn key to RUN position. 4. Remove jumper between Pins E and B after 5 seconds. 5. Count light flashes of test light or amber ABS warning light..." read more; miesk5 Note; for all Resistance tests, battery needs to be disconnected; remove Negative cable at battery
Source: by Steve83 (Steve, That dirty old truck) at http://www.supermotors.net/vehicles/registry/showmedia.php?id=255501&original=1

yo,
ok, I give in to Comcast.... really..this is ridiculous.

I doubt that the MLPS is burnt out.


Here is what I over-wrote.
Pin Point Tests from 1996 All F-Series and Bronco with E4OD Automatic Transmission Workshop Manual
Source: by Ford via thedieselstop.com


MLPS Wiring in a 96
by Ford via Steve83


MLPS Pin Number Circuit Circuit Function
1 57 (BK) Ground Circuit
2 359 (GY/R) Sensor Signal Return
3 199 (LB/Y) Manual Lever Position Sensor to PCM
4 463 (R/W) Electric Transfer Case Module to Transmission Range Sensor
5 33 (W/PK) Starter Control to Interlock Module
6 140 (BK/PK) Backup Lamp
7 298 (P/O) Fused Run Only Feed
8 32 (R/LB) Starter Control


PCM Series 5.0L and 5.8L Under 8500 Lb. GVW, and All Bronco


Pin Number Circuit Circuit Function
1 315 (P/O) PCM to Transmission Shift Solenoid No. 2
2 658 (P/LG) PCM to Check Engine Indicator Lamp
3 — Not Used
4 — Not Used
5 — Not Used
6 651 (BK/Y) Dedicated Ground
7 — Not Used
8 — Not Used
9 — Not Used
10 — Not Used
11 — Not Used
12 — Not Used
13 107 (P) PCM Flash EEPROM Power Supply
14 784 (LB/BK) 4x4 Low Range Switch to PCM Indicator Lamp
15 915 (PK/LB) J1850 Bus Negative/Data Negative (Return) to PCM
16 914 (T/O) J1850 Bus Positive/Data Positive
17 — Not Used
18 — Not Used
19 — Not Used
20 — Not Used
21 — Not Used
22 — Not Used
23 259 (O/R) Dedicated Ground to TFI Module
24 570 (BK/W) Dedicated Ground — PCM
25 875 (BK/LB) Ground Logic Module
26 — Not Used
27 237 (O/Y) PCM to Transmission Shift Solenoid No. 1
28 — Not Used
29 224 (T/W) Transmission Overdrive Cancel Switch to PCM
30 — Not Used
31 — Not Used
32 — Not Used
33 676 (PK/O) Vehicle Speed Sensor — Negative (Return) to PCM
34 — Not Used
35 392 (P/LG) Heated Exhaust Gas Oxygen Sensor No. 3 to PCM
36 968 (T/LB) Mass Airflow Return
37 923 (O/BK) Transmission Oil Temperature to PCM
38 354 (LG/R) Engine Coolant Temperature Sensor to PCM
39 743 (GY) Air Charge Temperature Sensor to PCM
40 238 (DG/Y) Fuel Pump Monitor to PCM/Fuel Pump Relay to Safety Switch
41 198 (DG/O) A/C Pressure Switch to Control Relay
42 — Not Used
43 — Not Used
44 200 (BR) PCM to Air Management No. 2 (Was TAD)
45 — Not Used
46 — Not Used
47 360 (BR/PK) PCM to Electronic Vacuum Regulator — Constant Current
48 382 (Y/BK) PCM to Test Connector No. 2
49 395 (GY/O) Profile Ignition Pickup to PCM
50 929 (PK) PCM to Spark Angle Pulse Width/Spark Output
51 570 (BK/W) Dedicated Ground — PCM
52 — Not Used
53 924 (BR/O) PCM to Transmission Coast Clutch Solenoid
54 480 (P/Y) PCM to Transmission Converter Clutch Control
55 37 (Y) Battery to Load
56 191 (LG/BK) PCM Top Vapor Management Valve — Constant Current
57 310 (Y/R) Knock Sensor No. 1 to PCM
58 679 (GY/BK) Vehicle Speed Sensor — Positive to PCM
59 917 (DG/LG) Misfire Detection Sensor — Feed
60 74 (GY/LB) Heated Exhaust Gas Oxygen Sensor No. 1 to PCM
61 — Not Used
62 — Not Used
63 — Not Used
64 199 (LB/Y) Manual Lever Position Sensor to PCM
65 352 (BR/LG) Delta Exhaust Pressure Transducer to PCM
66 — Not Used
67 — Not Used
68 — Not Used
69 — Not Used
70 190 (W/O) PCM to Air Management No. 1 (Was TAB)
71 361 (R) Power Output from PCM Relay
72 561 (T/R) PCM to Fuel Injector No. 7 Cylinder
73 559 (T/BK) PCM to Fuel Injector No. 5 Cylinder
74 557 (W) PCM to Fuel Injector No. 3 Cylinder
75 555 (T) PCM to Fuel Injector No. 1 Cylinder or Bank No. 1
76 570 (BK/W) Dedicated Ground — PCM
77 570 (BK/W) Dedicated Ground — PCM
78 — Not Used
79 911 (W/LG) PCM to Output Circuit Indicator Lamp/Overdrive Cancel Indicator
80 926 (LG/O) PCM to Fuel Pump Relay Control
81 925 (W/Y) PCM to Electronic Pressure Control No. 1
82 — Not Used
83 264 (W/LB) PCM to Idle Speed Control Motor No. 1
84 136 (DB/Y) Output Shaft Speed to PCM
85 — Not Used
86 — Not Used
87 94 (R/BK) Heated Exhaust Gas Oxygen Sensor No. 2 to PCM
88 967 (LB/R) Mass Air Flow Sensor to PCM
89 355 (GY/W) Throttle Position Sensor to PCM/Diesel Fuel Injector Pump Lever Sensor
90 351 (BR/W) Power to Engine Sensors
91 359 (GY/R) Sensor Signal Return
92 511 (LG) Stoplamp (Brake On/Off) Switch to Stoplamps
93 387 (R/W) HEGO Sensor Heater Voltage Monitor No. 1 to PCM
94 388 (Y/LB) HEGO Sensor Heater Voltage Monitor No. 2 to PCM
95 389 (W/BK) HEGO Sensor Heater Voltage Monitor No. 3 to PCM
96 — Not Used
97 361 (R) Power Output from PCM Relay
98 562 (LB) PCM to Fuel Injector No. 8 Cylinder
99 560 (LG/O) PCM to Fuel Injector No. 6 Cylinder
100 558 (BR/LB) PCM to Fuel Injector No. 4 Cylinder
101 556 (W) PCM to Fuel Injector No. 2 Cylinder or Bank No. 2
102 — Not Used
103 570 (BK/W) Dedicated Ground — PCM
104 — Not Used

so I got a local shop to read the codes:

KOEO:
P1746 Pressure Control Selinoid open - (my question, what does this mean and where is that at?)
P1728 - Tranmission Slip Error Control Fault - same question as above!!

KOER:
OBDII system test incomplete
P1127 O2 sensor downstream not tested

additionally, i was told by the shop that the whine noise I am hearing is the tranmission oil pump

I am getting tired of workin on my tranmission!
Thanks for all the help.

yo,

1746 EPC EPC solenoid open circuit Open circuit, faulty solenoid, PCM

DTC 624, 625, P1746, P1747 The Electronic Pressure Control solenoid is a variable force solenoid. The variable-force type solenoid is an electro-hydraulic actuator combining a solenoid and a regulating valve. It supplies electronic pressure control which regulates transmission line pressure and line modulator pressure. This is done by producing resisting forces to the main regulator and the line modulator circuits. These two pressures control clutch application pressures. Failed off — maximum electronic pressure control pressure, harsh engagements and shifts. May flash transmission control indicator lamp. CAUTION: The electronic pressure control pressure output from the variable force solenoid is NOT adjustable. Any modification to the electronic pressure control solenoid will affect the transmission warranty. (*Output circuit check, generated only by electrical condition.) Possible causes, Damaged harness connector. Damaged EPC solenoid. Damaged MLP sensor. Intermittent harness continuity. Damaged PCM connector pins. Pin Point testing; READ MUCH MORE
Source: by Ford via miesk5 at FSB http://www.fullsizebronco.com/forum/showthread.php?p=2452835
---------

Electronic Pressure Control (EPC) Solenoid:
Description: The Electronic Pressure Control solenoid is a variable force solenoid. The variable-force type solenoid is an electro-hydraulic actuator combining a solenoid and a regulating valve. It supplies electronic pressure control which regulates transmission line pressure and line modulator pressure. This is done by producing resisting forces to the main regulator and the line modulator circuits. These two pressures control clutch application pressures.
Symptoms: Failed on — minimum electronic pressure control pressure (minimum transmission torque capacity). Limit engine torque (partial fuel shut-off, heavy misfire). Flashing transmission control indicator lamp.
Failed off — maximum electronic pressure control pressure, harsh engagements and shifts. May flash transmission control indicator lamp.
Diagnostic Trouble Codes: 624,* 625,* P1746,* P1747.*
CAUTION: The electronic pressure control pressure output from the variable force solenoid is NOT adjustable. Any modification to the electronic pressure control solenoid will affect the transmission warranty. (*Output circuit check, generated only by electrical condition.)
==================

P1728

E4OD Transmission Control Indicator Lamp (TCIL) Flashing Diagnostic Trouble Codes 62, 628 and/or 1728 & transmission shifts hard for 90-96 TSB 98-4-19
Source: by Ford via miesk5 at http://home.comcast.net/~miesk5/technical_service_bulletins.htm#technical_service_bulletins.htm
LIGHT TRUCK:
1989-97 F SUPER DUTY, F-250 HD, F-350
1989-98 ECONOLINE, F-150, F-250 LD
1990-96 BRONCO
1997-98 EXPEDITION
1998 NAVIGATOR

This TSB article is being republished in its entirety to correct the vehicles listed.

ISSUE:
Some vehicles may exhibit a flashing Transmission Control Indicator Lamp (TCIL) and Diagnostic Trouble Codes (DTCs) 62, 628, and/or 1728 may be stored in memory. These DTCs can be set by any internal transmission element slippage or potentially by torque converter slippage.

ACTION:
Refer to the following text when servicing these codes.

NOTE:
WHEN SERVICING A VEHICLE WITH A FLASHING TCIL WITH DTCS 62, 628 AND/OR 1728, DO NOT REPLACE THE TORQUE CONVERTER UNLESS PROPER DIAGNOSIS HAS PROVEN THE TORQUE CONVERTER TO BE THE CAUSE.

Always verify the customer concern. Proper diagnosis for DTCs 62, 628 and/or 1728 may require talking to the customer to find out if there were any other symptoms associated with the TCIL flashing, (i.e., shift concerns, erratic/early/late, proper torque converter operation, etc.), prior to noticing the TCIL flashing.

Prior to transmission repairs for DTCs 62, 628 and/or 1728 or investigating other causes, repair all non-related transmission DTCs first, then repair all other transmission DTCs other than 62, 628 and/or 1728.

Some of the other causes that may result in DTCs 62, 628 and/or 1728 are as follows:

- Aftermarket modifications (i.e., performance enhancers, electrical modifications, etc.)

- Missing shifts (some/all)

- Transmission fluid leakage (internal and/or external)

- Erratic shift timing

- Valves, springs or retainers in the main control/accumulator body not assembled correctly, binding or sticking

- Check balls missing and/or mislocated. Damaged, unable to seal/seat properly

- Higher or lower than normal line pressure

- Transmission fluid restrictions and/or level

- Erratic/inoperative vehicle speed and/or rpm sensor

- Poor engine performance concerns

Any vehicle system concerns that could cause the strategy to detect a perceived internal slippage or change in the expected rpm of internal transmission rotating components may cause DTCs 62, 628 and/or 1728 to set.

NOTE:
ONCE DTCs 62, 628 AND/OR 1728 SET, OTHER TRANSMISSION FUNCTIONAL DTCs MAY NOT SET.

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Article No.
96-10-14 STALL - WHEN REVERSE AND/OR MANUAL LOW ARE SELECTED - VEHICLES WITH E4OD TRANSMISSION BUILT PRIOR TO 9/20/95
STALL - WHEN REVERSE AND/OR MANUAL LOW ARE SELECTED, OVERDRIVE CANCEL LAMP ILLUMINATED, AND DIAGNOSTIC TROUBLE CODE (DTC) P1728 - VEHICLES WITH E4OD TRANSMISSION BUILT PRIOR TO 9/20/95
TRANSMISSION - E4OD - 7.3L DIT ENGINE - OVERDRIVE CANCEL LAMP ILLUMINATED AND DIAGNOSTIC TROUBLE CODE (DTC) P1728 - VEHICLES WITH E4OD TRANSMISSION BUILT PRIOR TO 9/20/95
TRANSMISSION - E4OD - 7.3L DIT ENGINE - OVERDRIVE CANCEL LAMP ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P1728, AND WHEN REVERSE AND/OR MANUAL LOW ARE SELECTED - VEHICLES WITH E4OD TRANSMISSION BUILT PRIOR TO 9/20/95
ISSUE:
On vehicles with transmission build dates prior to 9/20/95, the overdrive cancel lamp may be illuminating and Diagnostic Trouble Code (DTC) P1728 present and/or engine stall when reverse and/or manual low is selected may occur on some vehicles. This could be caused by the torque converter hub contacting the cover which may generate metallic and/or friction material particles causing control valves to stick and/or damage the fluid pump. Damage to the fluid pump may cause the converter clutch to engage on intermittently.

ACTION:
Replace front pump assembly and/or torque converter if damage or wear is present. Refer to the following Service Procedure for the proper action to use to correct the concern identified.

SERVICE PROCEDURE
OVERDRIVE CANCEL LAMP IS ILLUMINATED AND DTC P1728 IS PRESENT
Verify proper transmission function by performing diagnostic procedures as specified in the appropriate Service Manual, Page 07-01A-43, then Page 07-01A-94 for DTC P1728 and service as required.
If DTC P1728 is still present, examine the front pump assembly for internal damage. Examine gear pockets and stator support for wear. Check for stuck pump valves. Replace pump (F5TZ-7A103-A) only if damage or wear are present.
Replace torque converter (F6UZ-7902-ARM).
Clean and flush transmission cooler lines and fluid coolers. Transmission may need to be disassembled and cleaned if fluid is contaminated and/or discolored.
ENGINE STALLS WHEN REVERSE AND/OR MANUAL LOW ARE SELECTED
Perform diagnostics for engine stalls as specified in the appropriate Service Manual, Pages 07-01A-94 and 07-01A-115, and service as required.
If stalling concern is still present, perform the transmission fluid cooler flow test found in the appropriate Service Manual, Section 07-01A, and service as required.
If stalling is still present, examine the pump for internal damage. Examine gear pockets and stator support for wear. Check for stuck pump valves. Replace pump (F5TZ-7A103-A) only if damage or wear are present.
Replace torque converter (F6UZ-7902-ARM).
Clean and flush transmission cooler lines and fluid coolers. Transmission may need to be disassembled and cleaned if fluid is contaminated and/or discolored.
OVERDRIVE CANCEL LAMP IS ILLUMINATED, DTC P1728 IS PRESENT, AND THE ENGINE STALLS WHEN REVERSE AND/OR MANUAL LOW IS SELECTED
Examine the pump for internal damage. Examine gear pockets and stator support for wear. Check for stuck pump valves. Replace pump (F5TZ-7A103-A) only if damage or wear are present.
Replace torque converter (F6UZ-7902-ARM).
Clean and flush transmission cooler lines and fluid coolers. Transmission may need to be disassembled and cleaned if fluid is contaminated and/or discolored.

PART NUMBER PART NAME
F5TZ-7A103-A Front Pump Assembly
F6UZ-7902-ARM Torque Converter Assembly

http://www.thedieselstop.com/faq/9497faq/tsb/tsb/96-10-14.php3
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DTC P1728 "...indicates that the transmission is slipping. When the computer that controls the transmission detects a fault code like P1728, it will put the transmission into a "limp" mode. When you unhook the battery, the code is cleared and the transmission will function properly until the slippage occurs again. To resolve this problem, you will need to get your transmission overhauled...."
Source: by 2carpros.com http://www.2carpros.com/topics/computer.htm

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P1127 - Exhaust Not Warm Enough, Downstream Sensor Not Tested The HEGO monitor uses an exhaust temperature model to determine when the HO2S heaters are cycled ON. The test fails when the inferred exhaust temperature is below a minimum calibrated value. Engine not operating long enough prior to performing KOER self-test.
Exhaust system too cool.
Monitor HO2S Heater PIDs to determine their ON/OFF state. DTC P1127 will be present if the exhaust is not hot.