The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Ez wiring harness to 86 factory tail light harness HELP!!

*gmachinz* · 03-19-2018, 09:33 AM

Yellow and dark green are your turn signal +12V leads, brown is spliced to all other browns and light green is your backup +12 lead. Orange is NOT part of GMs’ tail light wiring schematic that I’m aware of. Are the black leads from the turn signal socket going to chassis ground then?

03-19-2018, 09:33 AM	#5
gmachinz Account Suspended Join Date: Jun 2011 Location: Des Moines, IA. Posts: 4,143	Re: Ez wiring harness to 86 factory tail light harness HELP!! Yellow and dark green are your turn signal +12V leads, brown is spliced to all other browns and light green is your backup +12 lead. Orange is NOT part of GMs’ tail light wiring schematic that I’m aware of. Are the black leads from the turn signal socket going to chassis ground then?