LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
GMC
>>
1985
>>
Forward Control 7.4 W, Standard
>>
Repair and Diagnosis
>>
Engine Performance
>>
Ignition System
>>
Ignition System - HEI-Est (CALIF)
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Ignition System - HEI-Est (CALIF)
Expand All (for easy ctrl-f)
Collapse All
Description
Operation
Diagnosis
Testing
Pre-Testing Diagnosis
Ignition Coil Resistance Check
Primary Resistance
Secondary Resistance
Distributor Pick-Up Coil Short & Resistance Checks
Ignition System Check
Intermittent Operation Check
Est Emission System Check
Overhaul
Disassembly
Reassembly