gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relays and Modules - Glow Plug System > < Engine Controls - Aftermarket Accessory Usage|Page 268
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Engine Control Module: Locations

On The LH Side Of The Driver's Island

(1) Directional Signal Switch Connector
(2) Steering Column
(3) Parking Brake Support Brace
(4) Dimmer Switch
(5) ALDL Connector
(6) PCM

Relays and Modules - Glow Plug System > < Engine Controls - Aftermarket Accessory Usage|Page 268