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6-81
Fuse
Usage
RH PARK LP
Right
-
hand Parking Lamps
LH PARK LP
Left
-
hand Parking Lamps
RADIO U
Radio
PWR WINDOW
Power Windows
BRAKE ISO
Brake Warning Lamp
SPARE
Spare Fuse
L
-
RR TRUCK
Left Rear Trailer Wiring
SPARE
Spare Fuse
SPARE
Spare Fuse
SPARE
Spare Fuse
R
-
RR TRUCK
Right Rear Trailer Wiring
SPARE
Spare Fuse
Relay
Usage
BRAKE LAMP
C4/C5 Brake Lamps, C6/C7/C8
Tractor/Trailer Wiring
IGN 4
Ignition
MARKER LP
Sidemarker and Clearance Lamps
HTD FUEL
LB7/LG4 Heated Fuel
AIR HTR
LG4 Air Heater
ECU
MAINTAIN
LG4 Electronic Control Unit
DRL
Daytime Running Lamps
CHMSL ISO
Center High Mounted Stop Lamp
HTD MIRR
Heated Mirrors
R
-
TRN TLR
Right Trailer Turn Signal
L
-
TRN TLR
Left Trailer Turn Signal
SPARE
Spare Relay
SPARE
Spare Relay
SPARE
Spare Relay
Summary of Contents for 2003 C4C042
Page 1: ......
Page 6: ...v Here are some examples of symbols you may find on your vehicle ...
Page 66: ...1 59 United States Canada ...
Page 143: ...2 68 The Instrument Panel Your Information System ...
Page 302: ...6 48 Single Axle Models ...
Page 329: ...6 75 GM Vehicle Care Appearance Materials ...
Page 377: ...7 31 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...
Page 378: ...7 32 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...
Page 379: ...7 33 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...
Page 380: ...7 34 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...