GMC Workshop Service and Repair Manuals
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G 2500 3/4 Ton Van L6-250 4.1L VIN D 2-bbl (1982)
Relays and Modules
Relays and Modules - Powertrain Management
Relays and Modules - Computers and Control Systems
Electronic Spark Timing <--> [Electronic Spark Control Module]
Component Information
Locations
Page 1
Fig. 46 Typical Electronic Spark System (ESC)
Relays and Modules
Relays and Modules - Powertrain Management
Relays and Modules - Computers and Control Systems
Electronic Spark Timing <--> [Electronic Spark Control Module]
Component Information
Locations
Engine Control Module >
< A/T - Buzzing Noise at Idle|Page 34