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Click on image for the lowdown. 
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| | | Forums66 Topics128,076 Posts1,055,922 Members48,430 | | 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
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Sep 2008 Posts: 130 'Bolter | | 'Bolter Joined: Sep 2008 Posts: 130 | Thats what I thought, GMC was a positive ground. Might try soldering the send wire on the other side of the resistor of the send unit, just a thought. | | |
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