Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1987
>>
R 1500 P/U 2WD V6-262 4.3L
>>
Repair and Diagnosis
>>
Diagrams
>>
Electrical Diagrams
>>
Powertrain Management
>>
System Diagram
>>
Electronic/Powertrain Control Module (ECM/PCM)
Electronic/Powertrain Control Module (ECM/PCM)
ECM Wiring Schematic (Part 1 of 4):
ECM Wiring Schematic (Part 2 of 4):
ECM Wiring Schematic (Part 3 of 4):
ECM Wiring Schematic (Part 4 of 4):