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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

Grey wire from fuel pump to where ?

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Old May 2, 2012 | 7:06 PM
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TahoeMatt's Avatar
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From: Salt Lake
Default Grey wire from fuel pump to where ?

does anyone have a schematic that explains the wiring to the fuel pump....
i can't figure the wiring on this pump. I'm trying to test to see if theres fire going to the pump.... so far I'm getting nothing... if so I need to know where the grey wire that electrifies the fuel pump goes to....
does it go straight to the relay or ..... I can only trace up to the firewall then I loose it and it goes i assume in the relay box......

( The grey wire is hot when i turn the key to the on position right ? )

Any input is greatly appreciated.
Matt

Last edited by TahoeMatt; May 2, 2012 at 7:22 PM.
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Old May 2, 2012 | 7:37 PM
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vehicle?
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Old May 2, 2012 | 9:05 PM
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95 z71 stroker's Avatar
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From: port royal,south carolina
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power source would come through relay then to pump unit
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