01-13-2018 | #1 |
Join Date: Jan 2018
Location: Woodbury, MN
Posts: 11
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No power to fuel pump, wiring help needed.
I just bought a 1990 ZR1 and am looking forward to get it running again. I purchased it from my widowed neighbor and the car has been sitting in storage for many years. I took the dash apart and found a massive mouse nest in the passenger side behind the dash. Most of the wires look to be in decent shape (a few have the insulation nibbled but I can fix that.)
I checked voltage to the fuel pumps and am getting nothing. I removed the fuel pumps and tested them by connecting the connectors directly to a battery and they are both dead (no humming). I've removed the dash panel so I can access the relay connectors and am trying to figure out which relay is for the fuel pump and if I can jumper it when I get the new pumps installed. I will also take the relay out and test it but I probed the dark green / white wire which I believe is the pump 1 control signal from the ECM and I'm getting no signal to turn on the relay. Any help would be appreciated! New ZR-1 owner, Nate |
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