I think the sensor in my MJ is meant for one with just the dummy light. The gauge does it's check at startup but doesn't move off of 100 while I'm driving.
I'm having trouble finding the right sender locally (the pictures in the autozone etc computers show a newer plastic connector). Any suggestions on where to get one locally? Or perhaps a part number I can relay to the guy at the parts counter?
89 MJ 4.0L 5spd