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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: May 2005 Posts: 8,983 Sir Searchalot | | Sir Searchalot Joined: May 2005 Posts: 8,983 | No they are in parallel. Follow the system backwads from the bulbs with a light type tester while switch is on til you find hot. That will narrow it down. There is a real good chance its the ground for the lamps. DO they have their own ground wire or rely on screwing the dash together? Attach a ground to dash plate or bulb base to test if it's the ground. Use spare wires to make a bypass, hot and ground to a bulb. Stuff like that is how you trouble shoot. Eliminate all the harness and connectors by bypassing to see if you can get them to light first. It's a bad ground or you goofed. Been there done that with an American Autowire Harness.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn
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