Im getting a C1242 c h BPMV Pump Motor Ground Circuit Open and i ... It looks as though the pump motor ground circuit is the Black wire coming off of the G terminal at the connector of the EBCM. This wire goes to G103.2002 Silverado Ebcm Wiring Diagram - Shown below is 2003 Silverado diagnostic link connector (DLC) diagram describing how it works. As you can see here, only four (4) DLC pin terminals are used.. Light Duty Full Size Silverado/Sierra Truck Electrical Manuals. PDF documents that include descriptions and operation information on the Body Control System, Datalink Comm, BCM, Headlamp, Trailer Wiring, Brake Control, Junction Blocks, Electrical Components, Schematics, Power distribution, Fan controls, Electrical Harness info, and so on.. Jan 18, 2013 · In most cases this problem is caused by the rotating ribbon circuit contact under the steering wheel having a broken filament, the part is known as a clock spring contact, u will need to properly disarm the airbag and remove the steering wheel to access the part..
Jan 15, 2015 · My ac, heat and defroster not working. I hear air. Nothing out of vent at chest level. Vent on top of dash blows a - Chevrolet 2005 Chevrolet Cobalt Base question.