GP relay wiring
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GP relay wiring
Hey guys, first off I would like to thank everyone on here for the endless amount of information. I don’t post much but read regularly to keep my old girl going.
After lots of digging and troubleshooting I believe that my PCM’s diode that signals the GP relay is fried. I can jumper ground to that terminal and it works. Ive seen different ways to manually activate the GP with a switch but not using a ground signal like the PCM does normally. Can I run a switch from ground to the relay terminal that the PCM goes to and activate the GP relay?
Thanks, Kent. 2001 F350 7.3
After lots of digging and troubleshooting I believe that my PCM’s diode that signals the GP relay is fried. I can jumper ground to that terminal and it works. Ive seen different ways to manually activate the GP with a switch but not using a ground signal like the PCM does normally. Can I run a switch from ground to the relay terminal that the PCM goes to and activate the GP relay?
Thanks, Kent. 2001 F350 7.3
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