Contour Enthusiasts Group Archives Forums Modifications General Mods Tach help

i ordered a tach for my car from glowshift. i recieved it today and the directions they gave me are crap. they say there is a white wire on this but there isnt......i have two sets of wires coming out of it. the first set are i think 12 or 14 gauge and they are green black and red. from what i understand i am supposed to put green to tach sensor, black to ground and red to pos. the other set are a larger gauge wires (16) and they are yellow black and red......they are very short too......what do i do with these?

I'm thinking the other wires are power and also the yellow one is to hook up to your dimmer switch, similar to the yellow wire in a radio harness. Either way I can't believe the instruction you got don't show that much info. Great quality gauge you got there!