Quote:
Originally Posted by DonRotolo
The Prime function (2-second run you hear before crank) bypasses the fuel pump relay.
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Are you sure of this?
I just ran a test:
key OFF: Pin87 reads zero volts
key ON: Pin87 reads 12 volts for 2 seconds while I hear fuel pump running, then goes back to zero when pump stops.
turn key to START: engine starts, Pin87 reads 14 volts, stays there. I turn key off when engine starts misfiring.