I have been having a weird problem. Twice in the last few weeks my truck has been acting up. When I put the truck in reverse my radio shuts off, the power windows won't work and the 4x4 light flashes on and off like it is engaging and disengaging. The funny thing is that this has happened both times after it has rained heavily. The first time it happened I removed my negative cable from the battery to reset the system and then it was fine. But, this time I didn't get so lucky. Any help on this would be greatly appreciated!

 

Sounds like water leaking into the sjb/gem under the dash.

 

Not really for sure what that is. Where is it located? Thanks for your help.