My 03 dodge ram is having serious electrical issues,i have no gauges working,my wipers only work when turning them on before starting the vehicle,lights come on automatically,near my odometer it reads no bus or no bu5 not sure which,ive swapped the brain,but it did not help,can someone please help,id really appreciate it.

 

Your fuse box may be shot, this is very common in 02-04 models maybe even 05. Water gets in from below and fries the traces off the circuit board.

 

Thanks Owen

 

on the back of the fuse box is a silver box with 2 screws try unpluging it and see if its wet