Question about 1991 Chevrolet Silverado 2500

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Electrical problem My truck started right up last week. This week I tried to start it and it did not turn on. I checked the fuses and they were good. I replaced the fuel pump relay and the fuel pump, and still did not start. I checked if there was current going to the fuel pump, there was no current. I put starting fluid and it started right up just for a second. What else can I check for I can get current to the fuel pump?

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  • amoreno1023 Sep 12, 2008

    my 1990 chevy truck i tested the oil pressure switch with a light tester there was only one wire on and it looked like it was coming from the fuse box side this wire looked dim there was no current going to the fuel pump relay i disconnected oil pressure switch try to bypass oil pressure switch there was not enough current then i tried to connected it direct from the battery and it turned on like nothing was wrong

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Two things one there should be a fuel pump fuse under the cover on the right firewall check that,two there is a ground on the frame left rear by the tail light harness it will shut down the fuel pump

Posted on Nov 03, 2008

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