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6-84
Primary Underhood Fuse Block
Relay
Usage
NOTE 1
LG4 Powertrain Control Valve,
L18/LB7 Fuel Pump,
LG5 Heated Fuel
IGN B
Ignition
STARTER
Starter
Relay
Usage
HORN
Horn
IGN A
Ignition
PTO
Power Take
-
Off
REVERSE
Reverse
NEUTRAL
START
Neutral Start
Fuse
Usage
RR DEFOG
Rear Defog
ENG 1
Engine 1
ENG 3
Engine 3
PCM
-
B
Powertrain Control Module
BLANK
Empty
ENG 4
Engine 4
ENG 2
Engine 2
HTD FUEL
Heated Fuel
BLANK
Empty
BLANK
Empty
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 ...