Hi guys, I need the experts on this one. 2003 TJ Wrangler X.
The heater core went out and I put a new one in. The Jeep would crank and run fine before and after the core went out (every now and then I had to jiggle the keys to crank it.) After reinstalling the heater core I could not get the heater to come on (keep in mind it would still crank). I decided to sleep on it. The next morning I went out to continue working on it and to my surprise the blower would now come on but the Jeep wouldn't start. No clicking, nothing. Everything else has power (inside lights, radio, blower, headlights, blinkers, etc.) The starter is not getting power.
So here's what I have done. I checked the actuator arm (because of the prior jiggling) it was intact. I've changed the ignition switch and lock cylinder. I've got power coming to the ignition switch, inside fuse box and outside fuse box. I've switched out the relays under the hood. I can jump the starter using the terminals inside the starter relay spot (the starter just keeps turning over). I don't know what the big silver fuse is over the inside fuse box.
I thought about the neutral safety switch but I've never had to use the clutch to crank it before.
So here I sit. Any ideas would be greatly appreciated. I'm not a mechanic by any means. I just think its crazy that it would stop starting by sitting over night.