Commander 4WD V8-4.7L VIN N (2006)
Headlamp Alignment Switch: Testing and Inspection
HEADLAMP LEVELING SWITCH
WARNING: TO AVOID PERSONAL INJURY OR DEATH, ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE
SUPPLEMENTAL RESTRAINT SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, AIRBAG,
OCCUPANT CLASSIFICATION SYSTEM, SEAT BELT TENSIONER, IMPACT SENSOR, OR INSTRUMENT PANEL COMPONENT
DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO
MINUTES FOR THE SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS
THE ONLY SURE WAY TO DISABLE THE SUPPLEMENTAL RESTRAINT SYSTEM. FAILURE TO TAKE THE PROPER
PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT.
1. Disconnect and isolate the battery negative cable.
2. Disconnect the instrument panel wire harness connector from the upper instrument panel switch pod.
Headlamp Leveling Switch Tests
3. Using an ohmmeter, perform the resistance tests at the terminal pins in the switch pod connector receptacle as shown in the Headlamp Leveling
Switch Tests table.
4. If the switch fails any of the resistance tests, replace the faulty upper switch pod as required.
