BMW 3 series E46 (1998-2003) hot at all times Wiring diagrams

1 2 3 4 LOCK/UNLOCK CONV TOP SIG GND FUSE 46, BATT LOCK/UNLOCK CONV TOP SIG BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE SOFT TOP CONTROL MODULE (LEFT REAR PASSENGER COMPT) DEFOGGER SYSTEM EMERGENCY RELEASE ACT. VALVE FUSE FUSE HOLDER (GLOVE BOX) GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, ACCY AND START INSTRUMENT CLUSTER CONTROL MODULE LIGHT SWITCHING CENTER CONTROL UNIT (LEFT SIDE OF INSTRUMENT PANEL) NCA WIRE POSITION SWITCH, MAIN PILLAR (LEFT REAR CONVERTIBLE LINKAGE) POSITION SWITCH, TENSIONING BOW (LEFT REAR CONVERTIBLE LINKAGE) RED WIRE RED/GRY WIRE RED/VIO WIRE SWITCH CENTER SWITCH, COWL LOCKED (IN CONVERTIBLE TOP COWL LEFT) SWITCH, VALVE, COWL EXTEND MAIN PILLAR (IN CONVERTIBLE TOP COWL LEFT) VALVE, EXTEND TENSIONING BOW VALVE, RETRACT TENSIONING BOW VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 REVERSE SIG INFRARED REC TERM 15 BLU/RED WIRE BLU/YEL WIRE BRN/BLK WIRE ELECTROCHROMIC INTERIOR REAR VIEW MIRROR EXTERIOR LIGHTS SYSTEM (BACKUP LAMPS) FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/WHT WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START RED/BLK WIRE SECURITY TERM 31

1 2 3 4 5 6 7 8 9 10 11 12 D MOTOR D MOTOR TERM 30 ANTI-LOCK BRAKES SYSTEM BLU/VIO WIRE BRN WIRE DRIVER'S SIDE MIRROR FOLD-IN MOTOR FUSE FUSE HOLDER (GLOVE BOX) GRN/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START MIRROR ADJUSTMENT SWITCH MIRROR FOLD-IN SWITCH NCA WIRE OUTSIDE MIRROR FOLD-IN CONTROL UNIT (BEHIND GLOVE BOX) P MOTOR P MOTOR PASSENGER'S SIDE MIRROR FOLD-IN MOTOR RED/BLU WIRE RED/GRN WIRE RED/GRN/YEL WIRE RED/WHT WIRE SPEED SIG SWITCH TERM 31 WHT/GRN WIRE

BLU WIRE BRN WIRE BRN/BLK WIRE DRIVER'S BACKREST HEATER DRIVER'S SEAT HEATER FUSE FUSE HOLDER (GLOVE BOX) GRN/VIO WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN START, RUN OR ACC INSTRUMENT CLUSTER CONTROL MODULE PASSENGER'S BACKREST HEATER PASSENGER'S BACKREST HEATER RED WIRE RED/VIO WIRE SWITCH CENTER VIO WIRE VIO/BLU WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED/YEL WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S LUMBAR SUPPORT VALVE BLOCK DRIVER'S SEAT LUMBAR SUPPORT MOTOR EXCEPT CONVERTIBLE FUSE FUSE HOLDER (GLOVE BOX) GRY WIRE HOT AT ALL TIMES NCA WIRE PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S LUMBAR SUPPORT VALVE BLOCK PASSENGER'S SEAT LUMBAR SUPPORT MOTOR RED WIRE VIO WIRE WHT WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 REVERSE SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TERM 30 1 2 GPS ANT GPS ANT SHLD A/T ABS/ASC UNIT (LEFT REAR OF ENGINE COMPT) AF SIG ACT+ GROUND AF SIG ACT- AF SIG- ANTI-LOCK BRAKES SYSTEM AUDIO L+ AUDIO R- AUDIO SIG L- AUDIO SIG R- BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GPS ANTENNA GROUND GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, ACCY OR INSTRUMENT CLUSTER CONTROL MODULE K-BUS SIG LIGHTING M/T NAV BUS NAVIGATION COMPUTER (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE ON-BOARD MONITOR CONTROL UNIT RADIO CONTROL UNIT RED/GRN WIRE SIG SIG NAV BUS SIG SHLD SPEED SIG TERM 30 TERM R VIDEO GROUND VIDEO SIG SHLD VIDEO SIG SHLD VIDEO SIG SHLD VIDEO SIG VIDEO SIG VIDEO SIG VIO/WHT WIRE W/ DSC W/O ASC W/O AWD W/ AWD WHT/BLU WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 REVERSE SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TERM 30 1 2 GPS ANT GPS ANT SHLD A/T ABS/ASC UNIT (LEFT REAR OF ENGINE COMPT) AF SIG ACT+ GROUND AF SIG ACT- AF SIG- ANTI-LOCK BRAKES SYSTEM BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GPS ANTENNA HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE K-BUS SIG M/T NAV BUS NAVIGATION COMPUTER (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE RADIO CONTROL UNIT RED/GRN WIRE SPEED SIG W/ DSC W/O ASC W/O AWD W/ AWD WHT/BLU WIRE WHT/RED/YEL WIRE YEL WIRE YEL/GRN WIRE

BACKREST LOCK SW BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT MEMORY CONTROL UNIT FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST ADJUSTMENT MOTOR PASSENGER'S SEAT BACKREST LOCK SWITCH PASSENGER'S SEAT ENTRY FACILITY SWITCH (BACKREST) PASSENGER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR PASSENGER'S SEAT HEADREST ADJUSTMENT MOTOR PASSENGER'S SEAT HEIGHT ADJUSTMENT MOTOR PASSENGER'S SEAT TILT ADJUSTMENT MOTOR PASSENGER'S SEAT MEMORY CONTROL UNIT PROGRAM SWITCHES (3) RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW ENTRANCE AID ENTRANCE AID SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW ENTRANCE AID SEAT FWD/BACK SENS SEAT HEADREST SENS BACKREST LOCK SW BACKREST LOCK SIG SEAT HEADREST SENS SEAT TILT SEAT BACKREST SEAT HEADREST SEAT FWD/BACK TERM 30 SET SWITCH VIO/GRY WIRE VIO/RED WIRE W/ ENTRANCE AID WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

1 2 3 LUMBAR SW - ADJUSTMENT SWITCHES BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT MEMORY CONTROL UNIT FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/VIO WIRE GRN/YEL WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE LUMBAR SW + PASSENGER'S SEAT BACKREST ADJUSTMENT MOTOR PASSENGER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR PASSENGER'S SEAT HEIGHT ADJUSTMENT MOTOR PASSENGER'S SEAT MEMORY CONTROL UNIT PASSENGER'S SEAT TILT ADJUSTMENT MOTOR PROGRAM SWITCHES (3) RED/BRN WIRE SEAT FWD/BACK SEATS SYSTEM (LUMBAR CIRCUIT, IF EQUIPPED) SET SWITCH TERM 31 SEAT BACKREST VIO/GRY WIRE VIO/RED WIRE WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

BACK BACKREST BLK WIRE BLU WIRE BRN WIRE CUSHION TILT DN UP DN UP BACK FRONT DRIVER'S BACKREST ADJUSTMENT MOTOR DRIVER'S FORWARD/ BACKWARD ADJUSTMENT MOTOR DRIVER'S HEIGHT ADJUSTMENT MOTOR DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S TILT ADJUSTMENT MOTOR FRONT FRONT BACK FRONT DN FUSE FUSE HOLDER (GLOVE BOX) FWD/BWD GRN WIRE GRY WIRE HEIGHT HOT AT ALL TIMES LUMBAR CIRCUIT (IF EQUIPPED) NCA WIRE PASSENGER'S BACKREST ADJUSTMENT MOTOR PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S TILT ADJUSTMENT MOTOR RED WIRE UP DN VIO WIRE YEL WIRE