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post #2 of (permalink) Old 01-09-2017, 03:40 PM
miesk5
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Join Date: Oct 2003
Location: NJ
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Bronco Info: 96 Bronco XL 5.0 E4OD, Man Xfer/Hubs
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Yo glassdave,
Can you recall the color and odor of the fluid that was still in the transmission when you got home . It should be dark reddish not brown or black. A burnt odor can sometimes indicate that there is an overheating condition (obvious, huh?��) &or clutch disc or band failure. Use a clean, lint-free rag to wipe the fluid level indicator. Examine the stain for evidence of solids (specks of any kind) and for coolant signs (gum or varnish on fluid level indicator).

Also the Check Engine Light (CEL) comes on when the electronic engine control system is not working properly. The check engine warning indicator comes on briefly when the ignition switch lock cylinder is turned to ON, and should turn off when the engine starts. If the check engine warning indicator does not come on when the ignition switch lock cylinder is turned to ON or if it comes on while the vehicle is moving, the system is malfunctioning
If the CEL does not light up at all when starting it; then suspect that bulb is burnt-out or loose, socket was damaged by PO or shop, etc. or someone removed it.
Is CEL ON when starting or while driving?

Same for:
Transmission Control Indicator Light (TCIL) , it is a LED and overdrive on/off switch at end of the Transmission shifter stalk; flashing OD light is an indication of a transmission related trouble code in the Powertrain Control Module (PCM).
Is it flashing while driving?

Have it scanned for codes for free at local parts store.


1996 F-Series 150, 250, 350 & Super Duty Owners Guide (Manual) 4165 KB

...

1996 F-150, F-250, F-350 Workshop Manual (partial)
See Section 06-09A: Brake System, Anti-Lock, Rear
DIAGNOSIS AND TESTING
"..,The RABS II uses both the red BRAKE and yellow REAR ABS instrument panel warning lights to alert the driver to a system malfunction. Both lights must be working properly to assist in concern diagnosis. The steps listed below must be followed prior to beginning the RABS II diagnostic procedure.
The red BRAKE warning light is constantly monitored by the anti-lock electronic control module. If the red light illuminates, the anti-lock electronic control module will disable the RABS II system and turn on the yellow RABS light. For this reason, diagnosing and resolving any base brake concerns illuminating the red BRAKE warning light will, in most cases, resolve a perceived RABS II concern.
The red BRAKE warning light is used to indicate a low fluid level condition or parking brake applied condition. To check this light, insert the key in the ignition switch and turn it to the START position. The light should glow in this position. If it fails to glow, go to the Symptom Chart.
The yellow REAR ABS warning light is used to indicate a malfunction and a deactivation of the RABS II system. To check this light, first follow the procedure above for Red Brake Warning Light Self-Check, and allow the key to spring back from START position to the RUN position. The yellow REAR ABS warning light should perform a self-check by glowing for approximately two seconds and then turning off. If it turns back on and does not flash, then a system concern has been detected. Refer to On-Board Diagnostics, Diagnostic Trouble Codes, Retrieving. If it fails to glow, go to the Symptom Chart.
RABS II Diagnostic Trouble Codes, Retrieving; CAUTION: Care must be taken to connect only the black/orange stripe wire to ground. Connecting the red mating connector wire to ground will result in a blown fuse.
Verify the key is in the RUN position (engine does not need to be running). Next, locate the black RABS II diagnostic connector. The diagnostic connector has two mating halves (one of which has a black/orange wire connected to it). Disconnect the two halves.
Attach one end of a jumper wire to the black with orange stripe wire side of the diagnostic connector. Momentarily ground the other end of the jumper wire by connecting it to a good chassis ground for 1-2 seconds. Grounding this wire should start the yellow REAR ABS warning light flashing. If grounding this wire does not start the yellow REAR ABS warning light flashing, go to the Symptom Chart.
The code consists of a number of short flashes and ends with a long flash. Count the short flashes and include the following long flash in the count to obtain the code number. For example, three short flashes followed by one long flash indicates diagnostic trouble Code 4. The code will continue to repeat itself until the key is turned off. It is recommended that the code be verified by reading it several times. This code will be used later for system repair instructions. It should be written down for future use. Diagnostic trouble code 16 indicates that the anti-lock electronic control module detects normal system operation.
Diagnostic Trouble Codes, Erasing
The last step of the System Pre-Check always includes clearing the Keep-Alive Memory (KAM). To do this, simply turn off the ignition while the diagnostic connector halves are separated as described in the procedures for obtaining the diagnostic trouble code above, after which the diagnostic connector should be reassembled to provide KAM power to the anti-lock electronic control module. If at this time a valid code has been obtained, go to the appropriate pinpoint test for that code..."
Post any codes found.
...

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Last edited by miesk5; 01-09-2017 at 03:42 PM. Reason: Saving space
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