Chevrolet Workshop Service and Repair Manuals > C 30 1 Ton Pickup 2WD V8-454 7.4L VIN W 4-bbl (1983) > Relays and Modules | Relays and Modules - Powertrain Management | Relays and Modules - Ignition System | Electronic Spark Control Module | Component Information | Locations | Typical Electronic Spark System (ESC)

Typical Electronic Spark System (ESC)|Page 89 > < Idle/Throttle Speed Control Unit|Specifications

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Fig. 46 Typical Electronic Spark System (ESC)

Relays and Modules
Relays and Modules - Powertrain Management
Relays and Modules - Ignition System
Electronic Spark Control Module
Component Information
Locations
Typical Electronic Spark System (ESC)

Typical Electronic Spark System (ESC)|Page 89 > < Idle/Throttle Speed Control Unit|Specifications