2004 GMC Sierra EBCM

why are you taking the ecm out in the first place? it slides in from where the wires are there is a clip on the bracket that holds it.

EBCM is bad the ABS light and brake light are coming on when the truck is turned off the ABS pumps run until the battery dies. I have had this happen three times. I pulled the ABS fuse and the pump stops running which leads me to believe the EBCM is bad

boy did I screw up on tis one thought it was ecm . ok here is how to take it out. see pics as well.
Disconnect the chassis electrical connectors from the EBCM.
Fig. 5: Identifying Chassis Electrical Connectors To EBCM
Courtesy of GENERAL MOTORS CORP.
Remove the mounting screws (1) that fasten the EBCM (2) to the BPMV (3).
Fig. 6: Removing EBCM To BPMV Mounting Screws
Courtesy of GENERAL MOTORS CORP.
Remove the EBCM (2) from the BPMV (3). Removal may require a light amount of force.
NOTE:Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.

Fig. 7: Removing EBCM From BPMV
Courtesy of GENERAL MOTORS CORP.
Disconnect the BPMV electrical connector from the EBCM.
Fig. 8: Disc
Courtesy of GENERAL MOTORS CORP.
Clean the BPMV to EBCM mounting surfaces with a clean cloth
After installation, calibrate the new EBCM to the tire size that is appropriate to the vehicle.
NOTE< MAKESURE THAT THERE IS NO DIRT OR LOOSE THINGS SO NOT TO DAMAGEABS UNIT.