66 Column gear display - Impala Tech
Electrical & Wiring Troubleshooting electrical problems

 
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post #1 of 7 (permalink) Old 05-05-2020, 12:12 PM Thread Starter
 
 
Join Date: Nov 2018
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66 Column gear display

Hello, I have one gray wire with a bulb at the end in my dash harness that I am not able to find where it goes. Does anyone know if the column gear display has a light?
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post #2 of 7 (permalink) Old 05-05-2020, 02:12 PM
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Not on a Chevy: Caddy and Buick yes, Olds and Pontiac had it as an option. That probably goes in the back of you radio; or in the glove box if you have floor courtesy lights (an option on Chevys).

Does it light up when you pull the light switch on? How about when you open the glove box?

Big Dave
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post #3 of 7 (permalink) Old 05-05-2020, 03:10 PM Thread Starter
 
 
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Sorry I should have explained better. Glove box has its light, Hvac control has its two lights, ignition has its light. Theres a interior light drivers side under dash. The length of the wire makes it driver side but looking at all the wiring diagrams i seem to have all the gray wires accounted for. The radio that came with the car isnít correct, so that could be it. I will look into that. Thanks
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post #4 of 7 (permalink) Old 05-08-2020, 12:54 PM Thread Starter
 
 
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Here is the gray wire with socket and bulb. Does anyone know where it might go? I have the ignition light accounted for the heater control has two and the glove box has one. The length of this wire won’t reach the radio area. Seems like it should be in the drivers area. There’s no open socket holes in the instrument cluster. Any suggestions would be great.
Thanks
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post #5 of 7 (permalink) Old 05-08-2020, 02:33 PM
 
 
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Garage
Does anyone have a photo of the back of the instrument cluster...
Removed?
Would prove useful with or without the bulbs and wiring

Done Hurryin
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post #6 of 7 (permalink) Old 05-09-2020, 01:41 AM
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If you ground the socket with the lights on does it light up? Because it's a gray wire I am betting it will. I'm a Pontiac guy, not really a Chevy guy but some Pontiacs have a light on the back of the ignition switch. Does your car have that?
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post #7 of 7 (permalink) Old 05-09-2020, 11:42 AM
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My 67 Bel air with column shift power glide had a light in the indicator. Single socket, gray wire. It was wired into turn signal switch and plugged into column wiring.
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