gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 4937 > < Diagram Information and Instructions|Page 4934
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Brake Warning Indicator: Initial Inspection and Diagnostic Overview

1.

Check condition of GAGES Fuse and that connector C263 is clean and tight. REPAIR if needed.

2.

Place Ignition switch in RUN.

3.

For vehicles equipped with hydro-boost brake system, verify hydraulics. If alarm continues to malfunction refer to TROUBLESHOOTING
HINTS.

Initial Inspection and Diagnostic Overview|Page 4937 > < Diagram Information and Instructions|Page 4934