Land Rover Defender Workshop 1993 Rover Manual
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ELECTRICAL EQUIPMENT MAIN HARNESS This harness, fitted through the bulkhead, connects to the front lights, engine and chassis harnesses. main and dash fuse boxes and internal controls and instruments. The MFI harness and Radio harness are also connected into the main harness. The items making up the main harness assembly and cable colours are: Dash fuse box - terminals 1-20 (outer), Colours: 1 purple 11 red 2 purple/white, purple 12 red 3 green 13 brown/purple 4 green 14 brown 15 brown 5 green 6 blue/purple 16 white 7 blue/black 17 brown/white 8 blue/pink 18 white 9 blue/orange 19 whitelorange 10 blue/slate 20 white/blue Dash fuse box - terminals 14-2OU (inner), Colours: 1 brown 11 red/black 2 brown 12 red/orange 3 white 13 white/blue 4 white/orange 14 brown/orange 5 white 15 brown/slate 6 blue 16 green 7 blue/red 17 white/black 8 blue/red 18 green 9 blue/white 19 white/orange 10 blue/white 20 white/purple 26 RE-ISSUED: FEB 1993
ELECTRICAL EQUIPMENT Inertia fuel shut-off switch connection Colours: white/purple, white/blue Colours: white/light green, white. black. white/light Front wiper delay unit Colours. white/green, yellow/light green. black, light green, light green/brown MFI connection black, black/red Colours: light green/purple, black, light green, light green/bIue Headlamp relay module orange/slate, black Colours: blue, white, black, blue Heated rear window connector, 110 only Start relay module Colours: white/light green, white Colours: white/red, white/red, black, brown Stop lamp switch 2 Heated front screen timer, 110 only Colours: green/purple Colours: black, green, black/purple, white/brown, purple/yellow Stop lamp switch 1 Colour: green Heated front screen relay module, 110 only Colours: brown/purple, purple/yellow, white/purple, Ignition switch orange/slate Colours: Audible warning unit Position 2 (key -in) - white/purple, brown Colours: brown, white/black, purple/orange, white, Position 3 - white/orange slate/black, black, white/purple, purple, red Heated front screen connector, 110 only Colour: black Service reminder unit Dimming mirror, 110 only purple/white Colours: green, black Wiper motor ground connection Colours: black/yellow, white/yellow. white. black Colour: black Wiper motor connector Colours: red/brown, brown, black, white. purple. Colours: black, brown/light green, blue/light green, green/black, green/blue, green, white/slate, light green, red/light green green/green Cigar lighter connector Colours red/white Colour: white Rear washer switch, 110 only Colours black/light green Auxiliary instruments connection Tachometer Colours: light green/green, purple, green, light Colours: black, black, green, white/slate. red/white. green/white red/white Spare connectors 1 -4 Colours: Colours: brown. brown/slate. brown/orange No 1 white No 2 brown Right front speaker No 3 black Colours: black/green. black/blue No 4 red/white, red /white Heated rear window switch. 110 only green Hazard warning switch Colours. light green, purple, green/white. green light green/brown, greed/red, black/red. red/white black, Heated front screen switch. 110 only Colours: black/purple, black, black, red/white, Position 1 - brown Position 4 - white/red Position 5 - white Colours: black, purple/yellow, yellow, green, Warning light check unit Instruments connector Instruments lead 1 Heater illumination Colours: red/white, black. black Air conditioning connector 1, 110 only Left front speaker Colours: black/white. black/brown REVISED: OCT 1993 27
ELECTRICAL EQUIPMENT Illumination dimmer switch MFI HARNESS Colours: red, red/white This harness connects the engine mounted items of Interior light the fuel injection system with the electronic control Colours. purple, purple/blue module and with the main cable assembly. Voltage sensitive switch connector The items making up the harness and the cable Colours: black/slate colours are Lighting connector Injectors (cyls 2, 4, 6, 8) Colours: brown, red, blue Colours: brown/orange, yellow/white Horn, direction indicators, dip switch Injectors (cyls 1, 3, 5, 7) Colours: blue, green/white, light green/brown, Colours: brownl/orange, yellow/blue green/red, blue/white, blue/red, purple, purple/black Fuel temperature sensor Wash wipe switch Colours: slate/white, red/black Colours: blue/light green, light green/black, white/green, yellow/light green, red/light green, green Water temperature sensor Colours: green/blue, red/black Warning lamps 1 Colours: slate/black, white/brown, white, Heated oxygen Sensors (2) brown/yellow, white/yellow, green/white, green/red, Colours: white/orange, black, core purple/yellow Warning lamps 2 Colours: light green/purple. black, red, red/yellow, blue/brown, white/slate, black/blue, white, Purge valve btack/yellow, black/yellow Colours: slate/yellow, white/purple Idle air conditioning valve, 110 only Colours: green/white, blue/slate, orange, red/green Coil connection Colours: white/black Mass air flow sensor connection Colours: red/black. blue/green, brown/orange, brown/red Vehicle speed sensor chassis harness connection Colours: yellow, yellow Colours: white/purple, black/yellow. brown, white/green, white/red Fault display unit Colours. brom/orange, black/slate, pink, brown/pink Fan timer relay module Colours: black, white/green, black/green, black/red, brown/orange Fuel pump relay module Colours: white/purple x 2, white/orange x 2, white/red x 2, white Main harness connector Main relay module Colours: brownlorange x 3. brown x 2, blue red Diagnostic plug Colours: white/light green. white/pink. black/slate x 2 28 REVISED: OCT 1993
ELECTRICAL EQUIPMENT RADIO HARNESS This harness interconnects the radio equipment and the main harness. Two in -line fuses are provided within the harness. The items connected to the harness and the cable colours are. Power amplifier connector, 110 only Colours: red, white, white/black, black/blue, black/brown, black/white, black/green, white/orange, black Fuse holder (5A), 110 only Colours: white/orange, white/orange Rear speaker connector Colours: black/white, black/green, black/blue, black/brown RH front speaker OUT Colours: black/green, black/blue RH rear speaker OUT Colours: red, red/black LH front speaker OUT Colours: black/white, black/brown LH rear speaker OUT Colours: white, white/black Radio connector 1 Colours: black, red Radio connector 2 Colours: purple, red/white Fuse holder (2A) Colours: brown, brown Main harness connector Colours: purple, red/white, black/green. black/white, black/brown. black/blue, black. white/orange REVISED: OCT 1993 29
ELECTRICAL EQUIPMENT ENGINE HARNESS CONNECTORS ST3409M 1, Air conditioning compressor connector, 110 only 2. Fan temperature transmitter, 110 only 3. Water temperature sensor 4. Starter motor connector 5. Air conditioning connection, 110 only 6. Ground 7. Air conditioning connection, 110 only 8. Main cable assembly connection 9. Ground braid 10. Main fuse box 11. Main cable assembly split charge connection, 110 only 12. Gearbox ground 13. Split charge terminals, 110 only 14 Battery terminal Ground - 15. Battery terminal Positive + 16. Isolation switch terminals 17. Engine ground strap 18. Split charge unit terminals 19. Coil connections 20. Low tension connection, 110 only 21. Alternator connection 22. Ignition module connection 23. Oil temperature sensor connection, 110 only 24. Oil pressure switch connections 30 REVISED: OCT 1993
ELECTRICAL EQUIPMENT AIR CONDITIONING HARNESS CONNECTORS ST3411M DEFENDER 110 ONLY 1. Condenser fan connectors 2. Fan switch connector 3. Thermostat connections 4. Diode connections 5. Resistor block connections 6. 30 amp fuse in holder 7. Evaporator connector 8. Auxiliary connection to main cable assembly 9. Ground 10. Engine harness connector 11, System relay module connector 12. Fan switch connector 13. A/C ON/OFF switch connector 14. Evaporator fan relay module connector 15. Compressor relay module connector 16. A/C main relay module 17. 30 amp auxiliary fuse connection 18. Main cable assembly connection 19. MFI cable assembly connection 32 REVISED: OCT 1993
ELECTRICAL EQUIPMENT MULTIPORT FUEL INJECTION HARNESS CONNECTORS ST3410M 1. Purge valve connection 2. Injectors 3. A/C connection 4. Idle air control valve connection 5. Ground 6. Mass air flow sensor connector 7. Resistor 8. LH HO2S connector 9. Engine ground 10. Coil connection 11. Chassis harness speed sensor connector 12. Throttle position sensor connector 13. RH HO2S connector 14. Coolant temperature sensor connector 15. Fuel temperature sensor connector 16. MFI connection 17. Main harness connection 18. Diagnostics plug 19. Fault display unit connection 20. Fuel pump relay module 21. Main relay module 22. Fan timer relay module. 110 only 34 REVISED: OCT 1993