GMC Workshop Service and Repair Manuals > 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 - Ignition System | Electronic Spark Timing <--> [Electronic Spark Control Module] | Component Information | Locations

Ignition Control Module > < Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit]|Specifications

Page 1

background image

Fig. 46 Typical Electronic Spark System (ESC)

Relays and Modules
Relays and Modules - Powertrain Management
Relays and Modules - Ignition System
Electronic Spark Timing <--> [Electronic Spark Control Module]
Component Information
Locations

Ignition Control Module > < Idle Speed Control Motor <--> [Idle/Throttle Speed Control Unit]|Specifications