Dash lights (Gone?) - Ford Bronco Forum
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post #1 of 30 (permalink) Old 09-07-2011, 05:42 PM Thread Starter
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Dash lights (Gone?)

Replaced the fuse, and I have installed an aftermarket stereo so I checked for grounds but the ones I found looked good, are there more? Which ones concern the dash lights? Where else should I look?

Dash lights as in the green that illuminates my speedo, tach, etc? Oh,. and my heat/ac dohickey doesn't light up anymore.

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post #2 of 30 (permalink) Old 01-11-2012, 03:28 PM
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im having the same problem my dash lights worked until i instaled a radio....then black out
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post #3 of 30 (permalink) Old 01-11-2012, 06:05 PM
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Quote:
Originally Posted by Andrew James View Post
...I checked for grounds but the ones I found looked good, are there more? ... Where else should I look?
Since you didn't tell us where you already looked, there's no way we can tell you if you missed some, or where "else" to look.
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Originally Posted by Andrew James View Post
Which ones concern the dash lights?
The ones in both kick panels, on the core support, on the R fender, and the battery (-) post.

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Originally Posted by Andrew James View Post
Dash lights as in the green that illuminates my speedo, tach, etc? Oh,. and my heat/ac dohickey doesn't light up anymore.
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Originally Posted by koolbreaze View Post
im having the same problem...
Have you tried rotating the headlight knob?



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post #4 of 30 (permalink) Old 01-11-2012, 06:35 PM
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have you checked the light blue wire with the red stripe, to make sure it didn't get pinched and grounded to your stereo housing?
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post #5 of 30 (permalink) Old 01-12-2012, 01:45 AM
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yeah mine done that, turned out to be the headligh switch and pigtail burnt together. advance has both. I bet your taillights are out as well
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post #6 of 30 (permalink) Old 01-12-2012, 09:07 AM
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yo,
re Head Light Switches;
for Posterity:
Headlight Switch Fires, Part Number SW-2103: "...Over the past two years, this office has experienced fires caused by another potential problem in Ford vehicles. The problem exists within the dimmer portion of the headlight switch in Ford vehicles. The light switch involved is a Model SW-2103. These are the pull out type headlight switches usually located in the lower left corner of the front dash of Ford vehicles. The headlight portion of the switch has two pullout positions, the first for parking lights only, and fully out for headlights and parking lights. The shaft of this pull-out light switch can be turned clockwise and counterclockwise which activates a dimmer switch, lowering and raising the intensity of the lighting in the instrument panels respectively. Fully rotating the shaft counterclockwise past a notch activates the interior lights within the vehicles. The potential problem exists within the dimmer portion of this switch. The dimmer mechanism consists of a metallic resistive coil set inside a ceramic disc positioned over the shaft of the switch. The coil is exposed on its front side away from the passenger compartment. The front side of the coil passes across a contact permitting a current to flow through a certain portion of the coil when the switch is pulled our in its first or second positions. The greater amount of coil through which the current is permitted to pass (clockwise most position) creates the greatest resistance and therefore dims the dash lighting to its lowest intensity. The opposite position provides greatest intensity. Through our investigations, we have found that the coil can fail owing to wear and/or possible material defects or damage. A fractured coil can maneuver itself free of the ceramic disc permitting it to come in contact with the metal bracket which mounts and grounds the switch to the vehicle. When this occurs, a current can flow through a portion of the coil creating high temperatures melting the metal material of the coil and possibly igniting surrounding combustibles. This mechanism has been observed in three separate incidents by this office. Two of these resulted in a fire. The mechanism is precipitated by wear and/or defect in the coil mechanism. If the former is true, we expect there will be an increase in fires caused through this mechanism given an increase in service time. To this date the problem appears to be somewhat limited. However, this particular light switch has been utilized in numerous Ford vehicles. Therefore, a small increase in failure rate owing to age and wear could result in a significant increase in fire losses. The SW-2103 Light Switch Assembly discussed above is reportedly installed in the following Ford vehicles: 1986 -1997 F100, F150, F300; 1990-1994 Explorer; 1987-1994 Ranger; 1987-1990 Bronco II; 1992-1997 Aerostar..."
http://www.waltersforensic.com/artic...n/vol6-no3.htm


Miesk5 NOTE: Also, a shop or PO could have installed this PN in earlier MY Broncos; and some parts stores could have NOS still in stock. see the Ford info below.

Buyer's Guide Results by FORD: Part Number: SW2103 Description:
Headlight Switch Manufacturer: Motorcraft
Years: 1990-1994 Applications: 535. Years Make Model Engine Qty per Vehicle
1992-1994 Ford Bronco All Engines 1
1990 Ford Bronco II All Engines 1
1990 Ford E-150 Econoline All Engines 1
1990 Ford E-250 Econoline All Engines 1
1990 Ford E-350 Econoline All Engines 1
1990 Ford Escort All Engines 1
1991-1994 Ford Explorer All Engines 1
1992-1994 Ford F Super Duty All Engines 1
1992-1994 Ford F-150 All Engines 1
1992-1994 Ford F-250 All Engines 1
1992-1994 Ford F-350 All Engines 1
1990-1994 Ford F53 All Engines 1
1990-1994 Ford F59 All Engines 1
1990-1994 Ford Ranger All Engines 1
Source: by waltersforensic.com

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post #7 of 30 (permalink) Old 01-12-2012, 11:36 AM
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Quote:
Originally Posted by cartmanstwin View Post
have you checked the light blue wire with the red stripe, to make sure it didn't get pinched and grounded to your stereo housing?
Great possibility, that would cause all of the problems you are having. Your taillights out too?

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Grip it and rip it.
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post #8 of 30 (permalink) Old 01-13-2012, 10:22 AM
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Same thing happened to mine on Wed.

No aftermarket stereo, the dash lights stopped working, and my taillights too.

So i should replace the headlamp switch?


laborrega
1985 - 351W carb.
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post #9 of 30 (permalink) Old 01-13-2012, 12:13 PM
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Originally Posted by BrokeBronc View Post
yeah mine done that, turned out to be the headligh switch and pigtail burnt together. advance has both. I bet your taillights are out as well
This sounds like what happened based on what is happening. Check it out and report back.

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Grip it and rip it.
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post #10 of 30 (permalink) Old 01-13-2012, 12:41 PM
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Quote:
Originally Posted by laborrega View Post
Same thing happened to mine on Wed.

No aftermarket stereo, the dash lights stopped working, and my taillights too.

So i should replace the headlamp switch?


laborrega
1985 - 351W carb.
Yup. Had the same problem, changing the headlight switch fixed it.

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post #11 of 30 (permalink) Old 01-14-2012, 12:01 AM
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when my switch went bad, I lost my head lights, luckily I have my own little salvage yard. When my dimmer switch shorted out, I would lose my brights. and when I lost dash lights, I traced it back to the stereo the PO had installed. Thus I ended up pulling the dash and pulling their rats nest and starting a new.
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post #12 of 30 (permalink) Old 01-15-2012, 10:28 AM
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yo Andrew,
What Bronco are we yakkin' about?

1996;
Fuse, ck #10 4 amp Instrument Illumination
Also see Steve's wiring diargam, from Fuse #10 to Headlight sw to Instr Cluster conn and bulbs


Here is 96's Instr Cluster Connector C1

Pin Number Circuit Circuit Function
1 904 (LG/R) Charge Indicator Lamp
2 932 (GY/W) High Beam Indicator Input
3 57 (BK) Ground
4 450 (DG/LG) Fasten Belt Indicator Input
5 29 (Y/W) Fuel Level Input (with Tachometer)
6 19 (LB/R) Instrument Cluster Illumination Input
7 57 (BK) Ground
8 2 (W/LB) Right Turn Input
9 648 (W/PK) Tachometer Input Signal
10 398 (BK/Y) Tachometer Ground (for 8 Cylinder)
11 784 (LB/BK) Low Range Indicator Input
12 210 (LB) 4x4 Indicator Input
13 640 (R/Y) Power Supply in RUN and START
14 16 (R/LG) Charge Indicator Input

see Fuse Block Diagram way below;
Fuse Protection Amps Circuits Protected
1 30 Heater/A/C Blower
2 30 Wiper/Washer
3 3A Idle Switch (Diesel Only)
4 15 Warning Buzzer/Chime Module, Exterior Lamps, Instrument Illumination, Trailer Exterior Lamp Relay
5 10 Air Bag Restraint
6 15 A/C Clutch, Diesel Aux. Fuel Selector a, Remote Keyless Entry
7 15 Turn Lamps, Rear Window Defrost a
8 15 Courtesy/Dome/Cargo Lamps, Electric Outside Mirrors, Speedometer Memory, Warning Buzzer/Chime Module, Overhead Console (Bronco) Sun Visor Illumination (Bronco)
9 25 Power Point
10 4 Instrument Illumination
11 15 Radio, Radio Display Dim
12 20 C.B. Power Door Locks, Electronic Shift Motor 4WD, Power Lumbar, Tailgate Power Window, Key Switch a, Power Driver Seat (SuperCab Only)
13 15 Stop/Hazard Lamps, Anti-Lock Brake Module Memory Power (F-Series Only), Speed Control, Stop Sense for: Powertrain Control, Anti-Lock Brakes, Automatic Transmission Shift Interlock
14 20 C.B. Power Windows, Tailgate Power Window, Instrument Panel Switch a
15 20 Anti-Lock Brakes (F-Series Only)
16 15 Cigar Lighter, Data Link Connector
17 10 Warning Buzzer/Chime Module, Warning Indicators, Diesel Indicators a, Gauges, Tachometer, Transmission Control Switch
18 10 Electronic Shift Module 4WD, Speedometer, Air Bag Restraint, Automatic Transmission Shift Interlock, Automatic Day/Night Mirror Overhead Console (Bronco), APCM (Diesel)
a Indicates Diesel or Bronco functions only.
Attached Images
File Type: gif k19630b.gif (7.3 KB, 18812 views)

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post #13 of 30 (permalink) Old 03-10-2014, 06:44 PM
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I know tha this thread is a couple years old, but I didnt think I should start a new one, since this one is here.

I have no power to either side of my #10 position fuse. No dash illumination or parking lights front and rear.

I just replaced my head lights yester day. I changed all lenses, but only the bulbs I changed were the head light bulbs. I did have parking lights after the change, but drove home 25 miles and noticed today that the above mentioned lights are not working and no power to #10 fuse position.

Any ideas, or common problems?

I was going to pull the switch and check it, but just thought I'd check first, before tearing into the dash.

Truck is a 95 5.8 E4OD with 135K on it
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post #14 of 30 (permalink) Old 08-06-2014, 05:08 PM
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had the same problem in my 91. bought a new headlight switch and this fixed the short after i fixed my pig tail which was all burned up along with the power wire. turned on the lights and still no dash lights then i pulled the after market stereo out and found a nest of twisted together wire,s and then taped over. why cant ppl just crimp them the right way or just go buy the damn 20.00 adapter kit.... so why the idiot did was grounded the lt blue and red wire to the ground on the radio...i cut the ground of and grounded it to the firewall and now all my dash lights work just fine... big tip guy's if you dont know how to do wiring correctly take your rig to someone who does! one little short can cost you your ride.
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post #15 of 30 (permalink) Old 08-06-2014, 07:26 PM
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This once again has me thinking about my dash light fuse always popping. For a while my radio would shut off randomly but come back on (hasn't done it in ages)....guess I should pull the radio? My blinkers also act silly and I did have an issue popping the tail light fuse but that hasn't happened in a while either

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post #16 of 30 (permalink) Old 08-06-2014, 08:26 PM Thread Starter
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I think in my case for that particular truck my headlight switch had the spring or something fall apart. Been a lotta different rigs since then lol.

My Lincoln Town Car had an interesting stereo install and one day the wiring back there caught fire. I popped a couple radio fuses before I happened and the day I had all my stereo and speaker components lined up to install the stereo that was in it was smoking bad lol. What some people think is acceptable in wiring up anything is appalling.

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post #17 of 30 (permalink) Old 11-17-2015, 03:13 PM
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I am having the same problem (tail lights/ head lights still work though) Spedo, temp,fuel, battery, oil, emission, turn signals, belt light, brake light and 4x4 all not working... I have changed the fuses, the light knob switch and dash (couple gauges not working when first bought...) I just pulled dash apart and confirmed everything was plugged in. I am out of ideas and cannot afford to take it into a shop!
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post #18 of 30 (permalink) Old 01-28-2016, 11:40 PM
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Well this is an old thread but I will try my luck. I'm looking into a 1986 bronco Eddy Bauer edition and there is a dash light missing. It was the very top left one just to the left of the left blinker, I'm new to these vehicles and have no clue what it is, maybe a check engine light? I have been looking for a few hours with no luck please help a noob out!
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post #19 of 30 (permalink) Old 02-03-2016, 11:54 PM
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Quote:
Originally Posted by ginja_ninja View Post
Well this is an old thread but I will try my luck. I'm looking into a 1986 bronco Eddy Bauer edition and there is a dash light missing. It was the very top left one just to the left of the left blinker, I'm new to these vehicles and have no clue what it is, maybe a check engine light? I have been looking for a few hours with no luck please help a noob out!
If I know what you're trying to describe, its the shift light. The autos didn't come with a light here but there is still the blank space. Nothing to worry about as long as you have an auto. Let me know if you have any other questions...I've taken my dash apart at least 5 times and I'll try to answer any questions you have
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post #20 of 30 (permalink) Old 02-24-2016, 10:58 AM
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Thumbs up 87 Bronco

I have the issue of my dash lights dont work and my left hand turh signal light stays on all the other lights work on the out side front lights work , tail lights work turn signals work fine just no dash or dome lights, and there was w after market radio in there but now its gone, want to get inside lights and dome working before putting in a new radio. if anyone cane help please do so, this Bronco belonged to my dad who is now past away, i had to do a battle with his widoow wife to get truck back, the truck was was in pieces and now it almost back to its former glory. Ray
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