Sierra 2500 Denali 2WD V8-6.0L (2011)
1 - X201
2 - X205
3 - Junction Block - Right I/P
4 - X200
5 - X202
GMC Workshop Service and Repair Manuals
Multiple Junction Connector|Diagrams >
< Electrical - Intermittent MIL/DTC P2138/Reduced Power|Page 8364
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