I'm installing boost/vac & oil temp gauges in the A-pillar pod & need to know which wire (on the headlight switch) is used for gauge illumination. I have schematics for stereo installs, but these don't help with this.

I have the front wiring & motor & T56 out of the car & can't add electrical power at this point, so I was hoping someone that has this or has done this could answer the question.

 

i actually taped off the light goin to the shifter for my gauge but its a automatic just realized you dont have a auto sorry