Defroster timer

[fatbillybob]

Does anyone know how the rear defroster timer works? The timer is not in the relay since the relay is same number as other circuits not on timers. There is no obvious temp sensor. Where is the timer circuit?

Anyone know?

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[jwt]

Probably a Body control unit, maybe see if anyone has a forscan code?

 

[fatbillybob]

Ah yes bcm most likely amd then difficult to tamper with.

 

[Elp_jc]

I've never seen a FORScan code to mess with that, but yeah, I think it's the BCM. If anything, you could maybe decrease the time, but not increase it, since it'd be a fire hazard. Why do you want to mess with it?

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