Power supply for rear stereo controls

[brdaun]

I am putting some led's into my cupholders like the stickied thread, will be tapping into the power supply for the rear stereo conrtols...

The question i have, if anyone knows off hand which wire is the one that is used when the night lights turn on (the power supply for that)

 

[livingez_123]

just take a test light and find it.

 

[kses123]

On the rear stereo controls, it is pin B8 and it is brown.