buening 69 Report post Posted June 2, 2019 Finally back to working on the stang again, and am installing an SN95 mustang rearview mirror with map lights. The mirror map lights need a dome light feed so that they turn on when the door is opened. It also needs to be 12v, and from my understanding, these car's courtesy lights run on a reverse ground system. Connecting the floor courtesy light wires to the mirror dome light wire makes my courtesy lights on even when the doors are closed.....which I believe the ground is feeding back into the courtesy light from the rearview mirror. How have you handled this wire on an map lighted rearview mirror install? Much appreciated! Quote Share this post Link to post Share on other sites
mustangstofear 608 Report post Posted June 2, 2019 I would say it's the same way we wire up our overhead console lights. We make a special harness just for this application. We designed ours for the lights to come on when the doors are open, Ford had you using the switch to come on. Quote Share this post Link to post Share on other sites
buening 69 Report post Posted June 2, 2019 5 hours ago, mustangstofear said: I would say it's the same way we wire up our overhead console lights. We make a special harness just for this application. We designed ours for the lights to come on when the doors are open, Ford had you using the switch to come on. Which factory wire do you tap into for your overhead harness? Quote Share this post Link to post Share on other sites
buening 69 Report post Posted June 3, 2019 Nevermind, I figured it out. I had the 12v battery and courtesy light feed wires swapped. All works now :) Quote Share this post Link to post Share on other sites
