GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2002
🢒
Chevy C Cab/Chassis HD (GMT 400)
🢒
Body and Accessories
🢒
Wiring Systems
🢒 Instrument Cluster Schematics
Figure
1:
Oil Pressure, Coolant Temperature, and Voltage Gages, Battery and Check Gages Indicators
Master Electrical Component List
Instrument Cluster Description and Operation
Fuel Gauge, Tachometer, and Speedometer
Pwr Wdos Circuit Breaker, Wiper, Radio, Crank, and Trans Fuses
IGN A Fuse and Ignition Switch
IGN A Fuse and Ignition Switch
Gauges and Turn-B/U Fuses
Fuel Gauge, Tachometer, and Speedometer
G104 (L65)
G104 (L18)
L18 Charging
L65 Charging (Single Generator)
L65 Charging (Dual Generators)
Figure
2:
Speedometer, Tachometer, and Fuel Gage
Master Electrical Component List
Instrument Cluster Description and Operation
IP Illumination Lamps and Indicator Lamps
Oil Pres, Coolant Temp, and Volt Gauges, Check Gauges and Batt Lamp
Oil Pres, Coolant Temp, and Volt Gauges, Check Gauges and Batt Lamp
IP Illumination Lamps and Indicator Lamps
Vehicle Speed Sensor Circuits
Vehicle Speed Sensor Circuits
Fuel Tank Level Sensor Circuits
Fuel Tank Level Sensor Circuits
Figure
3:
Indicators and Illumination Lamps
Master Electrical Component List
Indicator/Warning Message Description and Operation
Fuel Tank Level Circuits
Fuel Gauge, Tachometer, and Speedometer
Fuel Gauge, Tachometer, and Speedometer
Audible Alarms Circuit
Park Lamps Control, Front Park, Turn, and Side Marker Lamps
Headlamps Schematics - non DRL
Headlamps-DRL Control Circuits
Instrument Lamps Dimming Circuit
L65 Fuel Heater, Water-in-Fuel Sensor, and Fuel Temperature Sensor
L65 Glowplug Control Circuit
L65 Low Coolant Indicator Control
PCM Power, Grounding, DLC, MIL, and Service Throttle Lamps
L18 TAC Power, Grounding, Data Circuits, and Indicator Control
EBCM Power, Grounding, DLC, and Indicator Lamps
Brake Warning Lamp Circuits
Headlamps-DRL Control Circuits
Theft Deterrent System
PCM Power, Grounding, DLC, MIL, and Service Throttle Lamps
L18 PCM Power, Grounding, DLC, and MIL Control
Figure
4:
Fuel Tank Level Sensor Circuits
Master Electrical Component List
Instrument Cluster Description and Operation
Vehicle Speed Sensor Circuits
IP Illumination Lamps and Indicator Lamps
Fuel Gauge, Tachometer, and Speedometer
Fuel Gauge, Tachometer, and Speedometer
G104 (L65)
G104 (L65)
Figure
5:
Vehicle Speed Sensor Circuits
Master Electrical Component List
Instrument Cluster Description and Operation
Fuel Tank Level Sensor Circuits
Fuel Gauge, Tachometer, and Speedometer
Fuel Gauge, Tachometer, and Speedometer
