This may have been discussed but I wantd to find the pins that go to the reverse/back up the turn signal and side markers I did a test and discovered that Two pins control the turn signal from left to right the first two pins get turn signal control I'm lookin to install a led strip that needs reverse back up turn signal ,12+ when key is in the ignition... and I couldn't put my finger on it I used a 12v tester but came up short