gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

ABOUT US
Computer Terminal Voltage Specifications|Page 2456 > < Engine Controls - Aftermarket Accessory Usage|Page 2453

R 3500 P/U 2WD V8-454 7.4L (1989)

Page 1
background image

ECM Connector Terminal Identification & Voltage Specifications.

Computer Terminal Voltage Specifications|Page 2456 > < Engine Controls - Aftermarket Accessory Usage|Page 2453