LEMON Manuals
: Even more car manuals for everyone
Home
>>
GMC
>>
1988
>>
Safari Van Passenger, Standard
>>
Repair and Diagnosis
>>
Engine Performance
>>
Ignition System - HEI/Est/ESC
Ignition System - HEI/Est/ESC
Expand All (for easy ctrl-f)
Collapse All
Description
High Energy Ignition (HEI)
HEI With Electronic Spark Timing (Est)
HEI & Est With Electronic Spark Control (ESC)
Operation
Ignition System
Est System
Notes
All Models W/EST (Except "S" & "T" Series W/2.5L Engine)
"S" & "T" Series With EST & 2.5L Engine
Sensors
Electronic Spark Control (ESC) System
All Fuel Injected Engines (Except 2.5L & 7.4L)
Adjustments
Trouble Shooting
Diagnosis
Component Testing (HEI)
Electronic Module
Ignition Coil
Pick-Up Coil
Capacitor
Component Testing (HEI With Est)
Coil Resistance Check
External Ignition Coil (Sealed Module Connector Distributor)
Integrally Mounted Ignition Coil
Pick-Up Coil Short & Resistance Checks
Overhaul