Usually the FPCM is a stand alone module. Or if you just want to do it the free and inconvenient way pull the fuel pump relay from the main fuse box usually under the hood as youre stepping out of.
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It can be a stand-alone module or a computer integrated into the PCM.
. The FPCM supplies and regulates the voltage that goes to the fuel pump and the fuel pump relay. Some fuel pump motors on late model vehicles are brushless three-phase DC motors that require a special module just for the pump to run. Carmichael Monday 25 October 2021 2312 Hi there I am repairing engine wire harness on my 2004 Mercedes c230.
WIRING DIAGRAMS 473 13 Diagram Key Connectors Ground Frame ground No connection Connection Starter relay Electric starter Battery charging coil Regulator rectifier Trim up relay Engine cover mounted trim switch Instrument harness connector Fuses Trim down relay Upper electrothermal valve Lower electrothermal valve 30A 20A To battery terminals To electric trim.
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