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    keith26's Avatar
    keith26 Posts: 1, Reputation: 1
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    #1

    Jun 11, 2010, 07:43 PM
    What is the hot wire on the fuel pump on a 1994 chevy 1500 5.7
    My fuel pump isn't coming on I put a new fuel pump relay in but it still won't come on I'm going to try to find out if the fuel pump is bad so I'm going to run a hot wire to it and see if it comes on but I don't know witch wire is the hot wire on the fuel pump
    biff26's Avatar
    biff26 Posts: 28, Reputation: 4
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    #2

    Jun 13, 2010, 06:01 PM

    Gray wire also check the ground wire for the fuel pump (black)

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