FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Electric Control Module Power Supply and Ground






Electronic control module voltage supply
+ 30 Voltage supply to the control module is direct and not fused. The US/CA control module receives + 30 voltage supply from fuse 23.
+ 30 supplies all the control module functions except ignition (+ 15 and + 50).

Electronic control module ground
Electronic control module main ground (pin 13) is connected to grounding point G14.