Rear Window Defogger Description and Operation

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Rear Window Defogger System Components

The rear window defogger system consist of the following components:

  • HVAC control module

  • Body control module (BCM)

  • Rear defogger relay

  • Rear window defogger grid

Rear Window Defogger Operation (C68)

When you depress the rear defogger switch, volt...

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Document Tags

Document Title: Rear Window Defogger Description and Operation

rear

window

defogger

system

hvac

control

module

relay

operation

when

switch

voltage

coil

indicator

battery

positive

switched

input

rear defogger

defogger relay

defogger switch

relay coil

positive voltage

relay switched

rear defogger relay

window defogger grid

window defogger operation

rear defogger switch

defogger relay coil

window defogger indicator

relay switched input

switch contacts relay

switched output rear

when ignition press

ignition press rear

press rear window

defogger switch first

switch first time

first time defogger

time defogger cycle

defogger cycle lasts

minutes further operation

further operation results

minute defogger cycles