Wrangler 4WD L4-150 2.5L VIN P MFI (1998)
Auxiliary Power Outlet: Testing and Inspection
WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, REFER TO AIRBAGS BEFORE ATTEMPTING ANY STEERING WHEEL,
STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER
PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
1. If the vehicle is equipped with the optional dealer-installed cigar lighter, remove the cigar lighter knob and element from the cigar lighter/power
outlet receptacle shell. Check for continuity between the inside circumference of the cigar lighter/power outlet receptacle shell and a good ground.
there should be continuity. If OK, go to Step 2. If not OK, go to Step 3.
2. Turn the ignition switch to the On position. Check for battery voltage at the insulated contact located at the back of the cigar lighter/power outlet
receptacle shell. If OK, replace the faulty cigar lighter knob and element. If not OK, go to Step 3.
3. Turn the ignition switch to the Off position. Disconnect and isolate the battery negative cable. Remove the accessory switch bezel. Check for
continuity between the ground circuit cavity of the cigar lighter/power outlet wire harness connector and a good ground. There should be
continuity. If OK, go to Step 4. If not OK, repair the open circuit to ground as required.
4. Connect the battery negative cable. Turn the ignition switch to the Accessory or On positions. Check for battery voltage at the accessory relay
output circuit cavity of the cigar lighter/power outlet wire harness connector. If OK, replace the faulty accessory switch bezel unit. If not OK, see
the diagnosis for the accessory relay.
