FixVault
Home
›
GMC
›
1989
›
Forward Control 7.4 W, Standard
›
Repair and Diagnosis
›
Engine Performance
›
System
›
CCC TBI Tests W/Codes
›
ECM Terminal Id
ECM Terminal Id
Fig 1: ECM Terminal ID & Voltage Values (2.5L Engine)
Fig 2: ECM Terminal ID & Voltage Values (2.8L Engine)
Fig 3: ECM Terminal ID & Voltage Values (4.3/5.0/5.7/7.4L Engines)