Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Positive Battery Cable & Glow Plug Control Module Electrical Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) or Battery Negative Cable Disconnection and Connection (Dual Batteries) or Battery Negative Cable Disconnection and Connection (Auxiliary Battery) .
Disconnect the positive battery cable (1) from the glow plug control module.
Disconnect the engine wiring harness electrical connector (2) from the glow plug control module.

Fig 2: View Of Glow Plug Control Module & Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the glow plug control module bolts and module.

Fig 3: View Of Fuel Return Pipe Clamp Bolt & Clip Bolt

Courtesy of GENERAL MOTORS CORP.

Remove the fuel return pipe clamp bolt (1).

Fig 4: View Of Glow Plug Control Module Protector & Glow Plug Control Module Bracket

Courtesy of GENERAL MOTORS CORP.

Remove the glow plug control module protector bolts and protector (1), if required.
Remove the glow plug control module bracket and bolts (2), if required.