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Click on image for the lowdown. 
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| | | Forums66 Topics128,049 Posts1,055,699 Members48,426 | | 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 with Ads! Again, thanks! | | | | Joined: Dec 2015 Posts: 2,063 Big Bolt Forum Moderator | | Big Bolt Forum Moderator Joined: Dec 2015 Posts: 2,063 | your dimmer switch does not need a ground. All it does is send + to either high or low beams. Sorry, I don't know off the top of my head which wires go where, should be real easy to figure out with an ohm meter though. | | |
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