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ckt # 47, DK BLU trailer brake controlled switched output. ckt#142 RED fused trailerbrake battery feed ckt #1620. LT BLU vehicle stop lamp switch to brake controller input ckt #1850 BLK brake controller ground ckt #2409, BRN brake controller illumination. In reference to the female plug: A is LT Blu B is Red C is DK BLU D is BRN E is left blank F is BLK 100% correct!

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Q: What are the color codes for the original 7 blade trailer wiring harness on a 2002 Chevy Avalanche?
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