Pump for getting oil from turbos to engine!!
#11
TECH Senior Member
iTrader: (26)
They have a resistor on the power wire to the pump to lower the voltage to it for normal operation and then they have a hobbs pressure switch that when it sees 1-2 lbs of boost that it sends full 12v to the pump. I think they do this so the pump is quieter when your just doing normal driving.
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