Question about 1993 Saturn SC1

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1992 Saturn SC Fuel Pump Problem

1992 SC. Fuel pump replaced, worked for about 200 miles. Failed again, pump replaced again and failed. Fuses viewed as blown (fuel pump) and Ignition (MAXI). Replaced, no go. Oil Sending Unit replaced, all fuses verified as OK. Still no power being delivered to pump. Seems to be an obvious short somewhere. Any ideas?

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  • jrz3 Feb 10, 2009

    Have Haynes with schematic..will trouble light / clean connectors and say a prayer..Thanks...will let ya know

  • jrz3 Feb 10, 2009

    Well, all connectors were removed, fuses and relays. Sprayed with contact cleaner..let dry and re-attach. When moving of one of the plug-ins, dash light activated / de-activated was seen. I think I'm on the hunt for a fuse/relay junction assembly...more and more $$$$$$

  • jrz3 Feb 18, 2009

    OK..FUSE/RELAY BOX (internal)
    replaced. Power seen via test lamp on gray wire feeding fuel pump. When ignition activated, pump vibrates for a few seconds...low hum, but should be louder. Ground connections to body cleaned (inside trunk area). STILL NO START! Pump has been swapped (4 different ones). I am at a loss and ready to light it up. Help please!!!

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You need to get the schematic / wiring diagram . There is a junction block in the center console where the wiring is routed to the entire car. The contact on the power wire to the pump gets burned /dirty and becomes intermittant . It needs to be cleaned .This happened to me twice.

Posted on Feb 10, 2009

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