Re: 12 volt key on source????
Passing on knowledge from DaveP
White wire at the wiper motor. Hot in RUN or ACCY. WIPER fuse.
Pink/wht at ABS 10-pin. Hot in RUN. BRAKE fuse.
Pnl/blk at fuel pump relay, A/C relay, Boost relay, I/C pump relay. Hot in RUN or START. ECM A Fuse.*
My choice is the white at the wiper. If the add-on stuff blows the fuse, only the wipers stop working. If you blow the ECM A fuse, it stops running.