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05-03-2010, 07:37 PM
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#1 |
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Registered User
Join Date: Sep 2006
Location: Shelley Idaho
Posts: 876
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51 GMC guages
I got this Jimmy a few days ago for free and want to get it running, I know that these GMCs are positive ground. If I make it neg ground is it going to mess up the guages? It is on a 1 ton frame but when I ran the vin it can back to a half ton long box. I have no idea when it was ran last. It has a Chevy dipper 235 in it which I'm sure is original to the 1 ton. I've had my Chevys for years but unfortunately I don't know much about GMCs.
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1970 Nova 327/T5 (my 1st car) 1971 K-20 350/350/205 (winter DD) 1953 GMC Suburban 1968 Chevy Bel Air 1976 Chev C-10 1972 Skylark (suncoupe) 1 of 3943 made |
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05-03-2010, 07:39 PM
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#2 |
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Registered User
Join Date: Sep 2006
Location: Shelley Idaho
Posts: 876
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Re: 51 GMC guages
Sorry I forgot to put pics on.
[IMG]  [/IMG][IMG]  [/IMG]
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1970 Nova 327/T5 (my 1st car) 1971 K-20 350/350/205 (winter DD) 1953 GMC Suburban 1968 Chevy Bel Air 1976 Chev C-10 1972 Skylark (suncoupe) 1 of 3943 made |
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05-03-2010, 11:12 PM
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#3 |
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Registered User
Join Date: Jun 2006
Location: Idaho
Posts: 8,800
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Re: 51 GMC guages
I think stovebolt.com has a tech article on converting neg to positive. I know from experience on my dads 57 gmc bus it will cook a tape deck real fast if you wire it backwards.
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1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread 1964 Chevelle Malibu w/ 355-350TH (daily driver) Helpful AD and TF Manual Site Old Car Manual Project |
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