Chevy Truck Suburban 3/4 Ton 4WD V8-454 7.4L (1986)
Relays and Modules
Relays and Modules - Accessories and Optional Equipment
Relays and Modules - Lighting and Horns
Relays and Modules - Powertrain Management
Relays and Modules - Computers and Control Systems
Electronic Spark Control Module
Engine Control Module
Component Information
Technical Service Bulletins
Engine Controls - Aftermarket Accessory Usage
Page 40
Technical Service Bulletins:
04-06-04-054B
913846E
913186E
90568
Sep
89
ECM - Packard 32 Way Connector Identification
8842
87150
Page 70
All Other Service Bulletins for Engine Control Module:
Page 79
Page 80
Testing and Inspection
Page 83
Idle/Throttle Speed Control Unit
Relays and Modules - Fuel Delivery and Air Induction
Relays and Modules - Ignition System
Sensors and Switches
Maintenance
Engine, Cooling and Exhaust
Powertrain Management
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