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Global Mod,
Mod | | | Forums66 Topics128,032 Posts1,055,516 Members48,425 | | 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: Nov 2008 Posts: 19 New Guy | | New Guy Joined: Nov 2008 Posts: 19 | 1966 GMC pickup. V8 with HEI. Trying to make sure I buy the correct harness. Looked through the catalogs already. Just not sure. My new alt has 2 wires coming out of it, red and white. Does this automatically make it an external? I've got a GM HEI distributor. Idiot lights. I've been told you can just use 1 wire if it's got an internal regulator? Diagrams online looks like they sent the white to the idiot light, and the red to the positive on the battery clamp. I'm looking for a harness that will cover all this confusion. Plug and play. And hopefully under $100. | | |
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