Ok, got the holes drilled, primed (and dried mostly with a heat gun), lights installed, wiring done. I'm going to start putting the headliner back up, I only pulled down the front part (removed A pillars, and visors), and did the work by reaching in carefully.
One question:
The instructions are kind of vague as to where to wire it into on my truck (shown as "2013 <" in instructions). It says connect to L77 in "Cavity 4 WT/BR (which I assume is a white wire with a brown stripe?). Problem is, I'm not 100% sure I have the right connector because my connectors do not look anything like what is pictured in the instructions. I put a volt meter on what I "thought" might be the right wire, and it only shows 4 volts which is not correct for a 12v light. (yes, I had lights on!) I'm pointing at this white/brown wire in the pic below.
Can anyone point me to the right wire and/or connector I'm looking for?
Pic of the wire I thought would be it, a pic of instructions, and a pic of the general area the connectors are (where BCM is indicated in instructions).
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