RS headlight wiring question - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 10 (permalink) Old Dec 30th, 02, 07:41 PM Thread Starter
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I removed my dash panel and my RS headlight switch tonight and will post pics of it later for reference, there is a trick to removing the knob and stem.
Anyway, there are 2 white wires doubled up together in one socket of one of the plug in wire sets. Both the white wires were melted and on one of them the casing was actually gone, leaving bare wire showing. The lights work, dimmer works etc. so luckily nothing shorted out but any ideas on what would short out those? I reviewed the wiring diagram in my assembly manual and it doesnt even show white wires on the headlight switch at all.
I will post pics here later of the release and melted wires. Im to tired at nearly midnight to do it now.
Thanks to the elec. wizards who might have some ideas on this.


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.... Jim aka Click
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post #2 of 10 (permalink) Old Dec 31st, 02, 11:29 AM Thread Starter
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Here is a pic of burned wires going to headlight switch. What could cause this meltdown?

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post #3 of 10 (permalink) Old Dec 31st, 02, 11:38 AM
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Jim
Do those white wires fit over a metal tang? One that's part of the switch frame?? If so, looks like the switch ground wires that tie to the door switches and/or the dash frame.
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post #4 of 10 (permalink) Old Dec 31st, 02, 12:04 PM Thread Starter
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John, there was no tang that they were hanging in when I first looked under the dash before taking it all apart.
Both white wires go back into the main harness. I did find a white wire in the assembly manual now, but it shows one 20 guage wire going to another block with no indication what that is for. The white wire plug on the switch leads to the dimmer part of the switch, the coil that gets ground on by the brass piece when you turn the knob to dim lights. Is the white a ground or hot?
Here is another wider view.


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post #5 of 10 (permalink) Old Dec 31st, 02, 12:26 PM
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The tang would be part of the switch. It appears that the white wires are off to the side from the others. In later year Camaros, Chevy eliminated the black ground wire eyelet and brought the ground wire into a side terminal just like your 2 whites.
The 2 whites plugged onto something on the switch. Maybe a picture of your switch?
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post #6 of 10 (permalink) Old Dec 31st, 02, 01:21 PM
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The white wires are the ground ckt for the interior light/lights. It grounds through the switch housing itself when the switch is turned to the int light on position.

Possibly the switch contacts were bad and caused heat which transfered back through the wires and burn't the insulation???
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post #7 of 10 (permalink) Old Jan 2nd, 03, 03:01 PM
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Mmmmm... Spaghetti! Looks like my harness!

I would guess that at one time there was a dead short. Did you find any repairs as you went through the harness?

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post #8 of 10 (permalink) Old Jan 2nd, 03, 05:16 PM Thread Starter
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Have not found any dead shorts in the harness or in my laundry either yet.
I found a short in the harness going thru the floor counsel tho. Someone didnt set the big plug box into the steel holding frame and some of the extra length wires got pinched in the shifter usage Im sure. That is another project to rewire all the shorted wires Im finding, yet everything was working that I knew of. Weird deal. But call me CSI 'Grissom' I will follow the clues to the end.
Steve do you have pics of your floor consel?
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post #9 of 10 (permalink) Old Jan 3rd, 03, 02:36 PM
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What specifically of? The wiring harness?

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post #10 of 10 (permalink) Old Jan 3rd, 03, 03:27 PM Thread Starter
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Not a biggie Steve. If you already had some pics from your building project of the wires as they lay under the consel would be nice. But dont take it apart to shoot some. Not that important. I have the assembly manual to follow.


------------------
.... Jim aka Click
69RS 350/255 LM1, Balanced, TRW forged pistons, .30 over, TH-350 auto.,
Dover White, Blue Vinyl top, F&R spoilers, close ratio ps, am/fm, 3.08 Posi.
A/C, fold down rear seat, Pwr Disk Brakes, Cowl Induction, Endura Bumper
My RS www.brainerd.net/~knudsen/69RS
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