Jeep Steering Diagram - Headlight Wiring Harness Article written by Dr. Jones Date Added: 07/12/2009 Putting high performance aftermarket headlights on your Jeep is a total waste? If you don?t first upgrade your headlight wiring.. Fix code C0561 traction control code Code C0561 comes in two forms. C0561-71 System disabled Information stored invalid serial data received C0561-72 System disabled Information stored alive counter incorrect. C codes are considered “chassis” code. This particular code is for GM and relates to the traction control system. The traction control system gets its data from the ABS system.. Help please! The car stereo wiring and security diagrams director was designed to better help the do-it-yourself installer choose what product is best for your.