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relays

  1. Ethanvance

    Fuel pump not working and many more electrical issues on 2004 2500

    my mom bought this 2004 avalanche 2500 with the 8.1L about 10 years ago, about 6-7 years ago it needed work done on the brakes and suspension and she couldn't afford it at the time so she just parked it with only 55k miles. Well now she has decided to give it to me if i can get it running. so...
    • Ethanvance
    • Thread
    • ecm electrical fuel fuel pressure fuel pump fuses relays wiring
    • Replies: 13
    • Forum: Problems: Engine
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