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Removal Procedure

Fig 1: View Of Engine Wiring Harness Electrical Connector

GM1862080

Courtesy of GENERAL MOTORS CORP.

Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
Remove the engine cover. Refer to Engine Cover Replacement .
Disconnect the engine wiring harness electrical connector (1) from the glow plug control module.

Fig 2: Identifying Positive Battery Cable

GM1862082

Courtesy of GENERAL MOTORS CORP.

Disconnect the positive battery cable (1) from the glow plug control module.
Fig 3: Identifying Glow Plug Control Module Bracket
Courtesy of GENERAL MOTORS CORP.

Remove the glow plug control module bolts (1).
Remove the glow plug control module (2).
Remove the glow plug control module bracket bolts (3), if required.
Remove the glow plug control module bracket (4), if required.