G 3500 1 Ton Van V8-454 7.4L (1989)
![background image](/gmc/g_3500_1_ton_van/v8-454_7.4l/Page-147001.png)
Knock Sensor: Locations
Electronic Spark Control Module
ESC Module.
LH Side Of Seat, Near Riser
Applicable to: G & GP Series
Knock Sensor: Locations
Electronic Spark Control Module
ESC Module.
LH Side Of Seat, Near Riser
Applicable to: G & GP Series