fuel pump relay
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Junior Member
Joined: Apr 2009
Posts: 37
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From: Fort Woth, Texas
Car: 92 Z28 LS1 4L60E swap
fuel pump relay
Final wiring question i hope. On the fuel pump relay i have a green with white stripe wire is this my trigger wire for the ls1 pcm? Also have a red wire does anyone know if this is just a positive wire?
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iTrader: (5)
Joined: May 2009
Posts: 496
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From: Washington D.C.
Car: 1985 Z28
Engine: LT1
Transmission: T56
Axle/Gears: fourth gen 3.42
Re: fuel pump relay
green + white is pcm control for the LT1, I would assume it is the same for you. Red should be +12V, where does it come from and where is it going?
Thread Starter
Junior Member
Joined: Apr 2009
Posts: 37
Likes: 0
From: Fort Woth, Texas
Car: 92 Z28 LS1 4L60E swap
Re: fuel pump relay
the red wire goes from the relay to a single wire connector? not sure if its 12 volts or something else. forgot to mention car is a 92
Re: fuel pump relay
Red is fuel pump prime connector. It doesnt get connected to anything, it is for testing purposes only. Add 12v to it and the pump will prime regardless of the engine or ECM/PCM status
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