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Old 11-06-2009, 01:54 AM   #1
clsahslr
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1970 gmc c20...

Does anybody have a complete wiring diagram for a 1970 GMC C20? I'm trying to rewire the electrical system. Thanks
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Old 11-06-2009, 02:26 AM   #2
Rack Man
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Re: 1970 gmc c20...

Here's the Chevy stuff....should be the same?...



http://www.boomspeed.com/bofh1968/ch...ng_diagram.pdf

http://www.boomspeed.com/bofh1968/ch...g_diagram2.pdf





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Old 11-06-2009, 07:10 AM   #3
special-K
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Re: 1970 gmc c20...

Chevy/GMC is the same.but,not when it comes to model designation.No such thing as a GMC C/20.GMC used 1500/2500/3500,etc...just so ya know what to call your truck.
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Old 11-07-2009, 12:37 AM   #4
clsahslr
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Re: 1970 GMC 2500...

thanks special k i didn't know
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Old 11-07-2009, 01:58 PM   #5
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Re: 1970 gmc c20...

if you look on the electrical forum, I have some FAQ thrreads there, and diagrams are in there too.
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