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10-16-2017, 09:08 AM
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#1 |
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Registered User
Join Date: Jun 2003
Location: ga
Posts: 630
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77 dual tank ls swap fuel pump wiring?
I have a 77 gmc with a 6.0 it has 2 tanks I need to see a wiring diagram of how I can run both tanks and fuel gauge I have the dash switch 4prong and have the 6 wire fuel switching valve the factory dash switch had 6 prongs
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10-16-2017, 09:34 PM
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#2 |
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Registered User
 Join Date: Oct 2015
Location: Allen, TX
Posts: 63
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Re: 77 dual tank ls swap fuel pump wiring?
This is pretty simple, just follow the wiring for an 87 model. Your selector switch will need to be for an 87 model and not a momentary switch found on earlier models.
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10-16-2017, 11:24 PM
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#3 |
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Registered User
Join Date: Jun 2003
Location: ga
Posts: 630
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Re: 77 dual tank ls swap fuel pump wiring?
well I guess I have no reason not to wire up my other tank and fuel gauge now I been running on one tank with no fuel gauge for bout 4yrs now cant count the times I ran out of gas even carrying a 2 gallon jug
 hopefully the weather will cool off and I will tackle the wiring soon .
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