GM steering column wiring help. | The H.A.M.B. Jun 15, 2009The column wiring has both wires that carry power coming in and going out. Turn signal power comes from the fuse panel flasher purple wire to the steering column. When you activate the right turn lever, the power from the purple wire goes out the steering column Light Blue wire to the right front signal light and the Green wire to the rightturn signal diagram | The H.A.M.B.Feb 04, 2019Chevy Color Code for Dummies | The H.A.M.B.Sep 11, 2015Need help with Old Steering Column wiring color code | TheJul 19, 2008TECH: GM turn signal wire colors | The H.A.M.B.Nov 27, 2006See more results gm column connector | eBay Find great deals on eBay for gm column connector. Shop with confidence. Skip to main content. eBay Logo: GM Column & Turn Signal Connector Kit matchless parts gear uconnect custom Pontiac GM OEM 09-10 Vibe Steering Column-Wire Connector 19183822 #7 on Diagram Only-Genuine OE Factory Original Item. Brand New.