Re: Mystery plug?
I know on the AAW harnesses, orange and white (old black wire with white stripe) are courtesy connections. Coutesy connection to the center console? Would be about the correct location off of the harness.
The lighter is a single orange wire. Radio, tan and yellow.
68 project...reassembly starting: (383, AFR 195, Air Gap, Comp Cam XR276HR, 1.6 CC Gold rollers, Holley 750, 4/09) (TKO 600 conversion from T350 4/09) (floor pan restored 6/09). (12 bolt 3.73, Wilwood disc, Hotchkis TVS 7/09), Dougs 368 with Big Dog mufflers (9/09), 383 fired up 9/30/09, Candy Apple Red 2012 with white RallyBee stripe