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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jul 2009 Posts: 76 'Bolter | | 'Bolter Joined: Jul 2009 Posts: 76 | 1966 C-10 Short / Step 250 auto. I have had the grill out of my truck for a month now doing other things. Here is the condition I'm facing after reinstalling the grill. FYI - nine years ago I installed one of the LMC halogen light conversion kits. It worked fine when I took the grill out. I have reconnected halogen wiring harness to the factory wiring harness. With the headlight switch on, I show power to the top connector of the three prong socket, and also power to the non-negative side of the three prong connector. I have also ran a continuity check on the halogen light bulbs, and they check out as good. When I activate the dimmer switch, the power disappears from the two prongs that had power before. I'm thinking the dimmer switch is bad. Tail lights and license plate lights operate properly when the light switch is turned on.
Agreed?
Tim-o | | | | | Joined: Apr 2005 Posts: 7,440 Bolter | | Bolter Joined: Apr 2005 Posts: 7,440 | Clean all the contacts on the dimmer switch.ðŸ›
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line"! Hug a cop!
USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)
| | | | | Joined: Jul 2009 Posts: 76 'Bolter | | 'Bolter Joined: Jul 2009 Posts: 76 | Nothing like a great day with your old truck! I did use the jumper wire to test the dimmer switch connections. However, early into the testing, I discovered I also had a ground issue. So, I improved the ground situation and went back to testing the dimmer switch and discovered the switch was the issue. Replacement on its way. Thanks for your help!
Tim-o | | |
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