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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: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Weird problems often turn out to be a grounding problem of some sort.
I'd use a jumper between the negative lead on the battery and the ground pen on each headlight, maybe both at the same time, and see if that changes what is happening.
If that does make it work right you then would need to determine which ground is not working.
And maybe its something else entirely, but weird problems often seem to be ground problems so I'd check that first.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
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