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You are watching: 2003 chevy malibu fuel pump reset


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Car runs fine, wake up up yesterday morning and it would turn over and also over yet no start, no spit and also spuuter or anything.I listened in the gas fill while someone turned the an essential to the ON place to listen for a hum. NothingBefore i just swap the end the pump, is over there a means i can examine the relay, or carry out a rapid hardwire from batt to the pump?
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there is fuel pump relay inside under hood fuse box you have the right to jumper terminals 30 and 87 ( in diagonal) to feed the pump girlfriend should find the correct terminals come avoid brief circuit the relay coil terminals. Drawing accessible on the fuse crate cover.
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yep uncovered the relays, will try that. It would be quite if just the relay was bad, but I doubt it. Lol
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before fall fuel tank inspect wiring and plug/socket under the bottom of the car, occasionally terminals burn there.
ok,will execute defsending unit functions fine, however that is ~ above a different wire. Yet does it come indigenous the very same socket/plug together the pump wires?
sending unit or level sensor share the exact same square form 4 wires socket with the fuel pump engine +ve 12 volts and also ground. Over there is an additional 3 wires socket because that the pressure sensor this explains the cable arrangements at the peak of fuel pump assembly. Every one of these 3 groups of wires pulled with one versatile cable conduit gathered right into one 8 terminals rectangular socket 7 only supplied 2 fuel pump motor, 2 because that level sensor and also 3 thin different colors wires for press sensor. If you accessed this place every thing might be tested pump, wiring and also sensors u require only to examine the pump feeding if it is functioning or not.

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i discovered these pics in mine library for the socket in ~ the chassis bottom next the burned terminal is the pump feeding through the second terminal top top the same shaft from top to under the left three terminals room for the press sensor.
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