gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relay Module > < OnStar Module Bracket Assembly Replacement (Trailblazer EXT, Envoy XL)|Page 137
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3. Position the upper bracket to the processor bracket.
4. Slide the upper bracket outboard until all the retaining tabs are seated to the processor bracket.
5. Install the communication interface module.
6. Install the right rear seat cushion.

Relay Module > < OnStar Module Bracket Assembly Replacement (Trailblazer EXT, Envoy XL)|Page 137