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Other GMC Workshop Service and Repair Manuals
Other Makes
GMC Truck R 3500 P/U 2WD V8-454 7.4L VIN W 4-bbl (1988)
Relays and Modules
Sensors and Switches
Maintenance
Engine, Cooling and Exhaust
Powertrain Management
Relays and Modules - Powertrain Management
Sensors and Switches - Powertrain Management
Tune-up and Engine Performance Checks
Computers and Control Systems
Intake Air Temperature Sensor
Absolute Pressure Sensor <--> [Barometric Pressure Sensor]
Exhaust Temperature Sensor
Coolant Temperature Sensor/Switch (For Computer)
Reference Signal <--> [Cranking Signal]
Assembly Line Diagnostic Link (ALDL) Connector <--> [Data Link Connector]
Electronic Spark Timing <--> [Electronic Spark Control Module]
Engine Control Module
Idle Speed/Throttle Actuator - Electronic
Idle/Throttle Speed Control Unit
Knock Sensor
Malfunction Indicator Lamp
Manifold Pressure/Vacuum Sensor
Memory Calibration Unit
Mixture Control Solenoid
Quad Driver <--> [Output Driver]
Oxygen Sensor
Relays and Modules - Computers and Control Systems
Sensors and Switches - Computers and Control Systems
Absolute Pressure Sensor <--> [Barometric Pressure Sensor]
Coolant Temperature Sensor/Switch (For Computer)
Exhaust Temperature Sensor
Intake Air Temperature Sensor
Knock Sensor
Component Information
Locations
Description and Operation
Electronic Spark Control (ESC)
Page 2941
Page 2942
Page 2943
Manifold Pressure/Vacuum Sensor
Oxygen Sensor
Throttle Position Sensor
Transmission Position Switch/Sensor, A/T
Vehicle Speed Sensor
Shift Light
Throttle Position Sensor
Transmission Position Switch/Sensor, A/T
Vehicle Speed Sensor
Vehicle Speed Sensor Signal Buffer
Emission Control Systems
Fuel Delivery and Air Induction
Ignition System
Transmission Control Systems
PROM - Programmable Read Only Memory
Transmission and Drivetrain
Brakes and Traction Control
Starting and Charging
Power and Ground Distribution
Steering and Suspension
Heating and Air Conditioning
Restraint Systems
Accessories and Optional Equipment
Body and Frame
Cruise Control
Instrument Panel, Gauges and Warning Indicators
Lighting and Horns
Windows and Glass
Wiper and Washer Systems