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Lucas firewall wiring
Guys, got 3 weeks off from being Dad (the ex has taken my son to australia for a holiday)! so time to crack on with the car :JEKYLHYDE:):MECOOL::D
i trial fitted the lucas components to the firewall today. but can anyone tell me the color coding used for the relays, fusebox and rear light box etc. its only decorative on my car, ( as i dont trust the reliability), but for authenticity-sake i wanted it all to look correct. so i want to make up a run of dummy loom for these bits that is color-coded correct. cheers,kevin |
Send me an email (eracars
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thanks - pm sent.
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This might also help. It explains what colored wires are used for what connections.
http://www3.sympatico.ca/peter.mcker...on/wiring.html Jay |
Wiring Colour Code Table
This is an extract from BS-AU7a 1983 Colour Code for Vehicle Wiring, from the British Standards Institution. (Note that these colour codes may not apply directly to older cars. ) For example, the wipers on cars up to 1980 (at least) are not on a separate fuse circuit, so they are not orange, but green. Check the schematic for your car to be certain. MAIN TRACER PURPOSE BLACK/BLACK/BLACK/BLACK/ Black /Solid: All earth (ground) connections Black/Brown: Tachometer generator to tachometer Black/Blue: Tachometer generator to tachometer Black/Red: Electric or electronic speedometer to sensor Black/Purple: Temperature switch to warning light Black/Green: Relay to radiator fan motor Black/LightGreen: Vacuum brake switch or brake differential pressure valve to warning light and/or buzzer Black/White: Brake fluid level warning light to switch and handbrake swith, or radio to speakers Black/Yellow: Electric speedometer Black/Orange: Radiator fan motor to thermal switch BLUE/BLUE/BLUE/BLUE/ Blue Solid: Lighting switch (head) to dip beam switch Blue/Brown: Headlamp relay to headlamp fuse Blue/Red: Dip switch to headlamp dip beam fuse - Fuse to right-hand dip headlamp Blue/LightGreen: Headlamp wiper motor to headlamp wash pump motor Blue/White; a)Dip switch to headlamp main beam fuse b)Headlamp flasher to main beam fuse c)Dip switch main beam warning light d)Dip switch to long-range driving light switch Blue/Yellow: Long-range driving light switch to lamp Blue/Black: Fuse to right-hand main headlamp Blue/Pink: Fuse to left-hand dip headlamp Blue/SlateGrey: Headlamp main beam fuse to left-hand headlamp or inboard headlamps when independently fused Blue/Orange: Fuse to right-hand dip headlamp BROWN/BROWN/BROWN/ Brown Solid: Main battery lead Brown/Blue: Control box (compensated voltage control only) to ignition switch and lighting switch (feed) Brown/Red: Compression ignition starting aid to switch , Main battery feed to double pole ignition switch Brown/Purple: Alternator regulator feed Brown/Green: Dynamo (Generator) *F* to control box regulator pole *F* or Alternator field *F* to regulator *F* Brown/White: Ammeter to Regulator, Ammeter to main alternator terminal Brown/Yellow: Alternator to 'no charge' warning light Brown/Black: Alternator battery sensing lead Brown/SlateGrey: Starter relay contact to starter solenoid Brown/Orange: Fuel shut-off (diesel stop) GREEN/GREEN/GREEN/GREEN/ Green Solid: Ignition switch accessories / fused Green/Brown: Switch to reverse lamps Green/Blue: Water temperature gauge to temperature unit Green/Red: Direction indicator switch to left-hand flasher lamps Green/Purple: Stop lamp switch to stop lamps, or stop lamp switch to lamp failure unit Green/Lt.Green: Hazard flasher unit to hazard pilot lamp or lamp failure unit to stop lamp bulbs Green/White: Direction indicator switch to right hand flasher lamps Green/Yellow: Heater motor to switch single speed (or to 'slow' on tow- or three-speed motor) Green/Black: Fuel gauge to fuel tank unit or switch, stabilizer to tank units Green/Pink: Fuse to flasher unit Green/SlateGrey; a) Heater motor to switch ('fast' on two- or three-speed motor) b)Coolant level unit to warning light Green/Orange: Low fuel level switch to warning lamp LT.GREEN/LT.GREEN/LT.GREEN Lt.GreenSolid: Instrument voltage stabilizer to instruments Lt.Green/Brown:Flasher switch to flasher unit Lt.Green/Blue; a)Flasher switch to left-hand flasher warning light b)Coolant level sensor to control unit c)Test switch to coolant level control unit Lt.Green/Red: Fuel tank changeover switch to right-hand tank unit or entry and exit door closed switch to door actuator Lt.Green/Purple: Flasher unit to flasher warning light Lt.Green/Green: Start inhibitor relay to change speed switch; or switch to heater blower motor second speed on three-speed unit Lt.Green/White: Low air pressure switch to buzzer and warning light Lt.Green/Yellow: Flasher switch to right-hand warning light; or differential lock switch to differential lock warning light Lt.Green/Black: Front screen jet switch to screen jet motor Lt.Green/SlateGrey: Fuel tank changeover switch to left-hand tank unit; or entry and exit door open switch to door actuator Lt.Green/Orange: Rear window wash switch to wash pump or cab lock-down switch to warning light ORANGE/ORANGE/ORANGE/ORANGE/ OrangeSolid: Wiper circuits fused via ignition switch Orange/Blue:Switch to front screen wiper motor first speed timer or intermittend unit Orange/Green: Switch to front screen wiper motor second speed Orange/Black: Switch to front screen wiper motor parking cicuit, timer or intermittent unit Orange/Purple:Timer or intermittent unit to motor parking circuit Orange/White:Timer or intermittent unit to motor parking circuit Orange/Yellow:Switch to headlamp or rear window wiper motor feed, timer or relay coil Orange/Lt.Green: Switch to headlamp or rear window wiper motor parking circuit timer or relay coil Orange/Pink: Timer or relay to headlamp or rear window wiper motor feed Orange/SlateGrey: Timer or relay to headlamp or rear window wiper motor parking circuit Pink/white: Ballast terminal to ignition distributor PURPLE/PURPLE/PURPLE/PURPLE/ PurpleSolid:Accessories fed direct from battery via fuse Purple/Brown:Horn fuse to horn relay when horn is fused separately Purple/Blue:Fuse to heated rear window relay or switch and warning light Purple/Red:Switches to map light, under bonnet light, glove box light and boot lamp when fed direct from battery fuse Purple/Green:Fuse to hazard flasher Purple/Lt.Green:Fuse to relay for screen demist Purple/White : Interior lights to switch (subsidiary circuit door safety lights to switch) Purple/Yellow : Horn to horn relay Purple/Black : Horn to horn relay to horn push Purple/Pink : Rear heated window to switch or relay Purple/SlateGrey:Antenna motor to switch *up* Purple/Orange : Aerial lift motor to switch down RED/RED/RED/RED/ RedSolid :Main feed to all circuits mastered by sidelamp switch Red/Brown :Rear fog guard switch to lamps Red/Blue :Front fog lamp fuse to fog lamp switch Red/Purple :Switches to map light, under bonnet light, glove box light and boot lamp when sidelamp circuit fed Red/Green :Bulb failure unit to right-hand-side and rear lamps Red/White ; a)Sidelamp fuse to right-hand side and rear lamps b)Sidelamp fuse to panel light rheostat c)Fuse to panel light switch or rheostat d)Fuse to fibre optic lamp source Red/Yellow:Fog lamp switch to fog lamp or front fog fuse to fog lamps Red/Black:Left-hand,sidelamp fuse to side and tail lamps and number plate illumination Red/Pink:Sidelamp fuse to lighting relay Red/SlateGrey:Lamp failure unit to lef-hand side and tail lamps Red/Orange :Fusebox to rear fog guard switch Red/SlateGrey :Window lift main lead WHITE/WHITE/WHITE/WHITE/ WhiteSolid:Ignition switch or starter solenoid to ballast resistor White/Brown:Oil pressure switch to warning light or gauge, or starter relay to oil pressure switch White/Blue:Choke switch to choke solenoid (unfused) and/or choke to switch to warning light, or electronic ignition distributor to drive resistor White/Red:Starter switch to starter solenoid or inhibitor switch or starter relay or ignition (start position) to bulb failure unit White/Purple:Fuel pump no 1 or right-hand to changeover switch White/Green:Fuel pump no 2 or left-hand to changeover switch White/Lt.Green:Start switch to starter interlock or oil pressure switch to fuel pump or start inhibitor switch to starter relay or solenoid White/Yellow:Ballast resistor to coil or starter solenoid to coil White/Black:Ignition coil contact breaker to distributor contact breaker, or distributor side of coil to voltage impulse tachometer White/Pink:Ignition switch to radio fuse White/SlateGrey:Current tachometer to ignition coil White/Orange:Hazard warning lead to switch YELLOW/YELLOW/YELLOW/YELLOW/ Yellow : a)0verdrive b)fuel injection c)Door locks d)Gear selector switch to start |
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