I have a 03 GMC Savanna 1 ton box truck, 6.0 auto vin# 1GDHG31U431902033 with a crank start then dies. Scanner passlock data(V) pid reads 0.00. On the wiring diagram for passlock sensor(alldata) it says orn/wht wire is 12volts ref., tan says security sensor lo... Login to read more.