Rev gauge wiring?

bbbottle, Apr 10, 11:03am
hi all i have a rev gauge because my car is to old to have its own! 1981
i have red,black,white,green. i know red is battery and black is earth but which colour goes to neg on the coil [green/white]and what do you do with the other one!

donz01, Apr 10, 4:05pm
White may be illumination so you can see it at night. It would pay to check for a wiring diagram from the supplier or manufacturer as red may not be positive etc.

demons, Oct 16, 5:07am
yeahred is + ,black is -,white is lights, green is go