Circuit Description
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Ground is continuously supplied to the low side of the ABS pump motor. The EBCM activates the ABS pump by supplying battery voltage to the high side of the motor.