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Gauge lighting dimmer issue.

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Old 04-27-2023, 08:48 PM
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Car: 1987 Camaro
Engine: 5.7
Transmission: 700R4
Gauge lighting dimmer issue.

My gauges lighting would not turn off. I replaced the headlight switch and same issue. After digging through wiring I disconnected my Radio, then I tried the dimmer then and it worked perfectly fine and lights would dim, but once the orange/yellow pigtail is connected all I get is solid gauge lighting that will not dim. Any suggestion’s or thing’s to try?

Last edited by KYLE87; 04-27-2023 at 11:09 PM.
Old 04-27-2023, 10:34 PM
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Car: Resto-Mod 1987 IROC-Z Clone
Engine: Alky fed L92 Vortec Twin-Turbo 6.8L
Transmission: My own built/ design 4L80M
Axle/Gears: Custom 12 bolt (4.10:1)
Re: Gauge lighting dimmer issue.

I'm sorry... you have been on the Forum since 2007 and have almost 900 Posts...

YET, you still don't know to Post whether you have a Camaro or a Firebird; and what the Model-Year is???
Old 04-27-2023, 11:08 PM
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Re: Gauge lighting dimmer issue.

Apology accepted. My profile used to say my vehicle stat’s. I have not been on here in a long time. It is on an 87 Camaro.
Old 04-28-2023, 12:01 AM
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Car: Resto-Mod 1987 IROC-Z Clone
Engine: Alky fed L92 Vortec Twin-Turbo 6.8L
Transmission: My own built/ design 4L80M
Axle/Gears: Custom 12 bolt (4.10:1)
Re: Gauge lighting dimmer issue.

Thank you.


On the Camaros, the Headlamp Switch (Dimmer/ Variable-Resistor Built-In) uses a 12AWG or 10AWG Black (Chassis Ground) Wire...
For the Dimming Function to operate.

I would start by making certain that the Black Wire has a very good connection to the Chassis Ground.
It may be an Open-Circuit, Loose or Corroded Connection, Etc.

Reply back after you have checked this (Hopefully you have a Multi-Meter to make this an easy/ quick task).

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