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International Automotive Technicians Network
Re: PCM will not turn on Fuel Pump?
Posted to Technical Discussion Forum on 1/6/2013

I agree with this approach. It seems from other responses that on this particular vehicle, the PCM powers the relay coil as opposed to the more usual approach of the PCM providing the ground for the relay coil.

So, with the relay plugged in and the PCM comma... Login to read more.