Re: Late 80's Ford Mustang GT 5.0 with a T-5 tranny

Join Now

Posted to Technical Discussion Forum on 8/1/2023

Hi Victor,

As one Mustang owners site described it "A person with a paper clip" likely jumped the wrong terminal at the diagnostic connector under the hood.

The PCB tracer for pin 46 of the ECM is what is Jumper'd to put the ECM into diagnostic mode. The c... Login to read more.