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| | | Forums66 Topics128,029 Posts1,055,417 Members48,422 | | Most Online14,466
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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
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| | | | Joined: Aug 2008 Posts: 10 New Guy | | New Guy Joined: Aug 2008 Posts: 10 | I'm troubleshooting the wiring in my 64 GMC. The headlight switch works for all four lights at the parking light position. Front and rear lights work for brakes and turn signals. When in full headlight on position, the rear lights stay on but nothing goes on up front. Tested the dimmer switch and only get a read on the blue wire. So can I conclude the headlight switch is the culprit? | | |
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