electrical problem with 2002 pontiac sunfire?

[Albert L]

car starts and runs great,but when put in gear all dash lights come on and guages stop working,also radio turns on and off by itself.any ideas?

 

[abc]

Turn the car on and while its on idle pull or move the wiring harness around and see if it makes the car act up, Check the wiring harness that’s on the left side near the transmission make sure it didn’t come loose and hitting something. Look real close at that harness and make shore there are no damaged wires.