General Motors Color Code for Wiring Available? - Chevy Jan 02, 2004Re: General Motors Color Code for Wiring Available? 01-01-04 03:28 PM - Post# 364901 In response to Rick_L As Rick L stated.. go to the manuals. In addition to the labeled schematics they also include a text table (w/o schematic) entitled "Electrical Circuit Identification" which lists the circuit number, color code, and circuit name. TRAILER WIRING INFORMATION - iegtoclub GM trailer wiring code. A white wire may also be found in that bundle, it is a brake light wire which is not normally used for trailer wiring. Dodge tow vehicles with the Factory Tow Package Brake Connector Dodge vehicles with this package are equipped with a 15 amp fused power line which is insufficient for 3 & 4 axle (6 or 8 brake) applications.
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