Re: 2004 grand Cherokee limited 4.0 brake light failure
Not one of the three brake lights working? Most probably the brake light switch or its adjustment. You can remove the brake switch connector and jumper pin 5 with pin 6. If the brake lights now work, the switch is the problem. (can be the adjustment still)
Also known are the lamp fittings, but this doesn´t involve the third brake light. The small copper tabs must be bend out a bit to restore the electrical circuit.