GMC Workshop Service and Repair Manuals

K 3500 Truck 4WD V6-262 4.3L (1988)

• Powertrain Management
• Computers and Control Systems
• Relays and Modules - Computers and Control Systems
• Electronic Spark Timing <--> [Electronic Spark Control Module]
• Component Information
• Locations
• Electronic Spark Control (ESC) Module