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PhatBob · 09-05-2008, 12:10

The OEM feed goes direct to the fuel pump, then the ground wire goes through the FPCM (Fuel Pressure Control Module) which either switches to ground (giving full voltage), or through a dropping resistor (giving the voltage drop).

09-05-2008, 12:10	#18 (permalink)
PhatBob Mr Sir Join Date: Aug 2004 Location: Newmarket Posts: 1,474	The OEM feed goes direct to the fuel pump, then the ground wire goes through the FPCM (Fuel Pressure Control Module) which either switches to ground (giving full voltage), or through a dropping resistor (giving the voltage drop).