GMC Cab & Chassis C2500 (1989-2000) Electronic power steering circuit

39 1807 PNK PPL WIRE BLK WIRE BLK/WHT WIRE BRN WIRE DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) PPL DIESEL DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC VARIABLE ORIFICE (EVO)/ PASSLOCK MODULE (UNDER CENTER OF DASH) EVO SOLENOID OUT EVO FEED SWS POSIT SIG VSS SIGNAL INPUT GAS GAUGES FUSE 4 GROUND IGNITION DATA SENSOR RETURN 5 VOLT REF BATTERY GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START I/P FUSE BLOCK (UNDER LEFT SIDE OF DASH) LT BLU WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE SECURITY/STRG FUSE 21 SENSOR RETURN STEERING ASSIST CONTROL SOLENOID (PART OF POWER STEERING PUMP) STEERING HANDWHEEL SPEED SENSOR (ON STEERING COLUMN, NEAR FIREWALL) STEERING VOLT WHEEL POSIT REF SIGNAL VEHICLE CONTROL MODULE (ON LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE SPEED SENSOR BUFFER (BEHIND RIGHT SIDE OF DASH) VSS SIG OUT WHT WIRE