Cadillac XLR I (2003-2009) (right rear of engine compt by battery, grounded to Wiring diagrams

11 12 13 PNK WIRE BANK 2 SENSOR 1 (IN LEFT EXHAUST PIPE, BEFORE CATALYTIC CONVERTER) BANK 2 SENSOR 2 (IN LEFT EXHAUST PIPE, AFTER CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ECM FUSE 16 ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) ENGINE OIL LEVEL SWITCH (LOWER RIGHT SIDE OF ENGINE) GEN TURN ON SIG GRY WIRE HEATED OXYGEN HOT AT ALL TIMES IAT SENS SIG IGN 1 VOL INSTRUMENT PANEL CLUSTER (IPC) LOGIC CLASS 2 SER DATA B+ LOGIC LOW REF LT BLU WIRE LT GRN WIRE MAF SENS SIG MESSAGE CENTER MIL IND NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 3 4 WIRE PNK PNK 6 7 WIRE PNK PNK PNK PNK WIRE PNK WIRE PPL PPL/WHT WIRE RADIO RUN/ CRANK RELAY 7 RUN/ CRANK RLY CTRL STARTING/ CHARGING SYSTEM STP LMP SW SIG VLT SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VSS WHT WIRE YEL WIRE

10 11 PNK WIRE 11 12 13 PNK WIRE A/C PRESSURE SENS SIG AIR CONDITIONING SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN SPEED CTRL COOLING FANS SYSTEM DATA BUS - DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (REAR SIDE OF RIGHT CYLINDER HEAD) EVAP CNSTR PUR SOL CTRL FUEL LEVEL SENSOR FUEL PUMP FUEL PUMP FUSE 10 FUEL PUMP RELAY 55 FUEL TANK PRESSURE (FTP) SENSOR GEN FIELD DUTY CYC SIG GRY WIRE HOT AT ALL TIMES LOW REF LT BLU WIRE LT GRN WIRE MAP SENS SIG OIL LEVEL SW SIG ORG/BLK WIRE PARK/NEUTRAL SIG PNK PNK PNK PNK WIRE STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT LOGIC POSITION (CKP) SENSOR (UPPER CENTER OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) FUEL INJ 4 CTRL IC 3 CTRL IC 4 CTRL IC 8 CTRL FUEL INJ 6 CTRL FUEL INJ 7 CTRL FUEL INJ 1 CTRL GROUND GRY WIRE GRY/BLK WIRE GRY/WHT WIRE IAT SENS SIG CKP SENS SIG TP SENS 1 SIG KS 2 SIG KS 2 SIG KS 1 SIG KS 1 SIG LOW REF LOW REF LOW REF FUEL INJ 2 CTRL FUEL INJ 5 CTRL LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE OIL PRESS SENS SIG ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL TP SENS 2 SIG MAF SENS SIG PPL/WHT WIRE RED WIRE SEN SIG TAC MOTOR CTRL 1 TAC MOTOR CTRL 2 IGN 1 VOL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE BODY ASSEMBLY (TOP OF ENGINE, AT INTAKE MANIFOLD) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE