Reference Information
WARNING: This page is about a different variant/trim than selected.
Schematic Reference
Engine Controls Schematics (L99/LS3)Engine Controls Schematics (LSA)Engine Controls Schematics (LS7)
Connector End View Reference
COMPONENT CONNECTOR END VIEWS - INDEX
Description and Operation
Electronic Ignition System Description
Electrical Information Reference
- Circuit Testing
- Connector Repairs
- Testing for Intermittent Conditions and Poor Connections
- Wiring Repairs
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References for scan tool information
Special Tools
EL 26792 HEI Spark Tester
For equivalent regional tools, refer to Special Tools (Diagnostic Tools)Special Tools (Mechanical Tools) .