1968 Headlight Switch Wiring?

#1
Hello guys, just finishing up the TT500 and I have run into a roadblock on the wiring for the headlight switch. Does anyone have an idea or diagram of how the headlight switch is wired up on those? I figured out the "Kill" button but I can't seem to identify which wires are for the high beam and which are for the low beam settings. I contacted Jim at Black Widow Motorsports and he couldn't help me out either. Any help you can offer would be greatly appreciated.
 
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