gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Vacuum Pump Relay, Brakes > < Electronic Brake Control Module|Locations|Page 178
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Caution:  Refer to Fastener Caution   (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).

3. Install the 4 EBCM bolts (1) and tighten the bolts in a cross pattern to  3 Nm (27 lb in).
4. Install the accessory wiring junction block. Refer to Accessory Wiring Junction Block Replacement   (See: Maintenance/Fuses and Circuit

Breakers/Fuse Block/Service and Repair/Removal and Replacement/Accessory Wiring Junction Block Replacement).

5. If installing a new EBCM, program the EBCM. Refer to Control Module References   (See: Testing and Inspection/Programming and Relearning).
6. Without starting the engine, place the ignition switch in the ON position.
7. Perform the Diagnostic System Check - Vehicle   (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle).

Vacuum Pump Relay, Brakes > < Electronic Brake Control Module|Locations|Page 178