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Relays Usage
R15 Windshield Wiper
R16 Horn
R17
Fan 1 (Engine
Cooling)
R18 Parking Lamps
R19
Fan 2 (Engine
Cooling)
R20
Fan 3 (Engine
Cooling)
Rear Compartment Fuse
Block
The rear compartment fuse block is
located on the left side of the
trunk behind a cover.
Use the fuse puller, to remove and
replace fuses.
Fuses Usage
F1 Spare
F2 Amplifier
F3 XM Radio™
F4 Radio
F5
Instrument/Display/
Remote Function
Actuator/Data Link
Connection
F6 Spare
F7 Spare
Fuses Usage
F8 OnStar™
F9 Spare
F10 ECM Battery
F11
Regulated Voltage
Control Sensor
F12 Fuel Pump
Relays Usage
R1 Spare
R2 Spare
9-38 Vehicle Service and Care
2008 - Pontiac G8 Owner Manual