C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

need wire dia. fuel relay, pump,ect 1988

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Old 09-11-2007, 05:03 PM
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nickpe
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Default need wire dia. fuel relay, pump,ect 1988

nostart, no power to relay need color code and dia. pump wont turn on. no power, what controlls this.
Old 09-11-2007, 06:46 PM
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CFI-EFI
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What color and size of what wire. There are five of them connected to my fuel pump relay. The ECM activates the fuel pump relay, but are you sure there is no power at a time when there is supposed to be? A FSM is invaluable at a time like this.

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Old 09-11-2007, 07:19 PM
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engle1147
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Old 09-11-2007, 08:31 PM
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CFI-EFI
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Great schematic. It looks like it came from a FSM. It shows most of the wire colors but none of the requested diameters. Also as the schematic shows, a bad fuel pump relay won't prevent the car from starting.

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Old 09-12-2007, 02:21 AM
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Ray Quayle
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Originally Posted by CFI-EFI
Great schematic. It looks like it came from a FSM. It shows most of the wire colors but none of the requested diameters. Also as the schematic shows, a bad fuel pump relay won't prevent the car from starting.

RACE ON!!!
That's why I prefer this one:

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