I need your help on Greddy boost gauge
pop out the dimmer switch for the lights... u know the one that is real low.. then un plug it.. Get yourself a test light ground it and keep switching the parkin lights on and off touching the connectors one at a time to see which one gets power only when u turn the parkin lights on.
My bad man.. it will be easier if you just take the power wire from the gauge and strip it a lil then stick it in each connector while its unplugged turnin the parking lights on and off till you find the right one


