I thought I would share how to create your own P2 Auxiliary Headlight Switch (low availability of the original Auxiliary Light Kit / I'd prefer to DIY it).
I ordered an interior alarm sensitivity switch and modified the PCB to have it function as an Auxiliary Light Switch (out of stock in North America).
Here are some photos I took of the process - very simple, you just have to remove D1 from the PCB of the switch.
Chose this switch as it was one I didn't have in my CEM panel. I also plan to do some CAN bus work such that it will have other functions if pressed twice, etc. (I'm planning to have it serve as a Ham Radio APRS GPS transponder on/off when the highbeams are off).

Retreat into to your home electronics lab (6-40x 3D stereo dynascope):

Switch with silicone pad removed and diode polarity stripes noted if I ever need to replace them:


Diode D1 removed and saved in tape. Polarity white stripe marked on board with pen:


You can now plug into connector 54/8 in the engine bay with an appropriate Delphi connector (which I'm trying to source) as per the original accessory harness.
Engine harness side:
Red and black striped wire goes to a 20A fuse in the engine bay fuse box.
Brown and white striped goes to the CEM switched current sink.


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