Multiple Problems! Please Help!

[fordrunner]

A while back I purchased a 2000 expedition 4wd with the 4.6. until recently I have had no problems with it. I am having some issues with the electronics. I was driving down the road and I believe there was a short under the dash. Anyway, I now have no reverse lights, cruise control, no a/c at all, no heat in the front, 4wd does not engage, and instrument cluster takes a minute to come on after the vehicle is started. No idea what it could be. Please help. Thank you.

 

[stamp11127]

Any time you have electrical problems, the first thing to check will be the fuses. I test them with a test light, you can also test them with a dvm.

 

[fordrunner]

I have checked and replaced all fuses and relays. Even the ones in the engine compartment. Im at a loss

 

[stamp11127]

Do you have access to a test light or dvm? If you don't I would advise purchasing a good test light. Not one of those cheapy China ones for $4, a good semi pro model.

Not pushing this brand but we use these at work without any problems:

Lisle 28400 Heavy Duty Circuit Tests Low Voltage Up to 12 Volts

There are other manufactures out there that have similar products.