(later 99 f250) So when I bought the truck the t-case motor harness was unplugged and I plugged it back in and had 4wd. It recently went out and now i'm on a wild chase to figure it out. here's what i've done so far.
Checked all relays(2 Under hood) even pulled the whole harness out and examined all the wires. seems the relays won't transfer power over to the orange or yellow wires once I turn the fly. thought their might be a short in the wires somewhere so I hooked a live wire up to a fuse and then touched the orange wire and it transferd the motor(so the motor works!) but then started hearing clicking from under the dash, so that takes me to number 2!
pulled the GEM, then put it back in to trial some more stuff.
Relays behind the dash! 1 big one and 2 small ones.
the big one has power going to it.
1 of the small one has power going to it(dark green/light green power wire).
then the other relay has the same dark green/light green power wire going to it but no power. hmm?
fly switch has power going to it and i took the switch out of the cover it goes onto and put it on as shown in the picture. thought maybe it wasn't making contact to switch it over but it does.
then I figured autozone could test the hublock solenoid. I was wrong
so i narrowed it down to-
- A loose wire
- The GEM(my wipers,washer fluid, and dome light don't work now
- hublock solenoid.
before you ask i triple checked all fuses. their all good. Any thoughts please?