The truck O2 sensor has; ppl to HO2s HI, tan to HO2S LO, pink to fuse, black to grnd. Dual digital efie from 3rdbrakeflasher has; grnd, 12v, blue & brn for 1 signal wire, white & green for 2nd signal wire. Cut O2 signal wire & connect to efie, blue going to ECU and brn to O2 sensor. Which wire am I suppose to use the purple (HI) or the tan (LO) signal wires?
Saturday, March 27th, 2010 AT 9:28 AM