Electrical WTFs

[KI4FKW]

So I park my M1008 a year ago because the batteries are shot. Took me a year to get around to replacing them. Truck was 100% when parked.

Fast forward to today.

New batteries installed. Truck fires right up.

1. Horn now blows when service lights switch is set to on.

2. Gen 1 not charging

3. Trailer brake controller started smoking and wouldn’t deactivate.

Why is nothing ever simple? EVER.

 

[Lil Pete]

That's an easy one....
Does your lady like being ignored?
But, seriously who knows what rats, etc. may have moved in and got the munchies?
Also, Remember the mantra: "If it's rubber replace it. If it's electrical clean it."
If you wanted simple, you would have sold your trucks and just sat on your porch watching the rest of us driving by.
Chin up and carry on old Chap!

 

[Tinstar]

A year is a long time for a mouse and friends.
Now your going to have to check every bit of wiring.

 

[Barrman]

The trailer brake controller was added by someone. I suggest you start by tracing the wires for it. Fix or remove any faults you find. Once that is fixed or removed. The -20 TM troubleshooting section will walk you step by step what to check, test and fix in the proper order.

 

[KI4FKW]

I was just venting. Simple sure isn’t what you find with a CUCV these days.

 

[ssdvc]

I was just venting. Simple sure isn’t what you find with a CUCV these days.

Unless someone has messed with the wiring, these trucks are fairly simple. I am no wiz mechanic and I have managed to sort through several issues and repairs, all with the help and advise of this site. Keep your head in the game, read the TM's and you'll figure it out.

And, to keep mice from destroying my 09, I put snap traps with peanut butter on the lower battery trays and inside the truck under the seats. I have caught quite a few trying to recon my truck, which was their mistake . I just ditch the dead mouse, rebait the trap and wait for the next little critter.

 

[87cr250r]

The horn switch has a flyback diode that fails in short circuit. Cut the diode out and all will be good. I forgot where the diode is exactly.