gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Engine Control Module > < P/S - Reduced Assist When Cold|Page 38

G 3500 1 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

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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 > < P/S - Reduced Assist When Cold|Page 38