My 1991 chevy s10's fuel pump is not cutting on. i replaced the pump, sending unit and relay but it still wont cut on. what could the problem be?
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Have you checked for 12Volts at the pump as well as a good ground. Depending on what trim level of S10 your working on the power wire is either grey, tan or tan/white. The ground will be black. Usually you will get someone to turn the key on, and the ecu will prime the pump for 2 seconds thats when you check, or have someone crank it
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