Help I think my PCM is bad on my 4.0L ?
Ive had a start issue and assumed it was the starter switch down on the steering column. I installed a new one. This was not it. I installed new relays both the ASD relay and Fuel pump relay thinking one or the other or both were bad. Still not it, wont start. Fuel pump is silent so relay is not getting pulled in.
Do i need to check the CPS?
I have a 95 OBD1 engine with Hesco harmonic balancer mounted CPS.
If this checks ok can it be a BAD PCM ?
I hooked up a code scanner and I get " no connection to vehicle". It always scanned before, but now nothing.
How does the PCM get power through the ignition switch? I can take a volt ohm meter and check the pins for voltage?
81 CJ7 Renegade, Mocha Brown Metallic and Tan, 4.0L w/ T-5, RE 2.5 Lift, 31 BFG's on Wagon Wheels