GMC Workshop Service and Repair Manuals > V 3500 P/U 4WD V8-454 7.4L VIN W 4-bbl (1988) > Powertrain Management | Computers and Control Systems | Electronic Spark Timing <--> [Electronic Spark Control Module] | Component Information | Testing and Inspection

Electronic Spark Timing <--> [Electronic Spark Control Module]|Testing and Inspection|Page 2656 > < Assembly Line Diagnostic Link (ALDL) Connector <--> [Data Link Connector]|Diagrams|Page 2652

Page 1

background image

Electronic Spark Timing: Testing and Inspection

Chart C-5 - Electronic Spark Control System Check

Powertrain Management
Computers and Control Systems
Electronic Spark Timing <--> [Electronic Spark Control Module]
Component Information
Testing and Inspection

Electronic Spark Timing <--> [Electronic Spark Control Module]|Testing and Inspection|Page 2656 > < Assembly Line Diagnostic Link (ALDL) Connector <--> [Data Link Connector]|Diagrams|Page 2652