Hot wire for dash lights???

Koenigturbo

Active Member
Oct 4, 2006
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0
36
Oxnard CA
I'm trying to hook up the lights for a boost gauge and The instructions calls for a hot wire for the dial light to be hooked up to the ignition ,but I don't want that, I want the light to turn on when I turn the dash light, from the headlight switch, can I hook it up to rheostat? Where is the hot wire for the parking lights from the switch, and what color is it??

thanks!!