Wrangler 4WD L4-150 2.5L VIN P MFI (1998)
Body Control Module: Description and Operation
Heated Rear Window Defogger
Heater Rear Window Defogger
The timing circuit for the rear window defogger is contained in the cluster. The operation is as follows: With ignition on, the first push of the defogger
button will start a 10 minute timer. After 10 minutes have elapsed, the defogger will be turned off. If the button is pushed a second time during the same
ignition cycle, the timer will turn the defogger on for 5 minutes. Every consecutive push will operate the defogger for 5 minutes. When the defogger is
on, it can be turned off with a second push of the defogger button.
