RAM 1500 Truck 2WD V8-5.9L VIN Z LDC (1999)
Power Window Circuit Breaker: Testing and Inspection
1. Locate the circuit breaker in the junction block. Pull out the circuit breaker slightly, but be certain that the circuit breaker terminals still contact the
terminals in the junction block cavities.
2. Connect the negative lead of a 12 volt DC voltmeter to a good ground.
3. With the voltmeter positive lead, check both terminals of the circuit breaker for battery voltage.
If only one terminal has battery voltage, the circuit breaker is faulty and must be replaced. If neither terminal has battery voltage, repair the open
circuit from the Power Distribution Center (PDC) as required. If the circuit breaker checks OK, but no power windows operate, see Power Window
System in the Diagnosis and Testing.
