1977 model year on, North America
| Colour | Fuse | Components |
| black 2 | none | 45DM4 distributor 45DM4 distributor amplifier |
| blue | none | main lighting switch dipswitch |
| blue/light-green | green | wiper switch wiper motor 'fast' speed |
| blue/red | none | dipswitch headlamp dipped beams |
| blue/white | none or purple (flasher) |
dipswitch headlamp flasher switch 'main beam' warning light headlamp main beams |
| brown 1 | none | solenoid alternator (2) hazards in-line fuse fusebox ignition relay main lighting switch ignition switch starter relay |
| brown 2 | hazards in-line | hazards in-line fuse hazard flasher |
| brown/light-green | green | wiper manual switch wiper motor park switch |
| brown/white | none | starter relay starter solenoid |
| brown/yellow | none | alternator ignition warning light |
| green 1 | green | fusebox reverse lamp switch screen washer pump stop lamp switch brake pressure failure switch induction manifold heater wiper motor service interval counter wiper motor switch voltage stabiliser hazards switch tachometer heater fan switch handbrake switch seat-belt warning lamp |
| green 2 | green | hazard switch turn flasher |
| green 3 | cooling fan in-line | cooling fan in-line
fuse cooling fan switch |
| green/black | green | fuel gauge fuel tank sender |
| green/blue | green | temp transmitter temp gauge |
| green/brown 1 | green | reverse lights switch reverse lights |
| green/brown 2 | green | heater fan switch heater fan fast speed |
| green/orange | green | brake pressure failure
switch brake diode handbrake switch handbrake warning light |
| green/pink | none or green |
service interval diode service interval counter service interval warning lamp |
| green/purple | green | brake light switch brake lights |
| green/red | green or hazards in-line |
turn-signal switch hazard switch left-side flashers left-side flasher repeater |
| green/white | green or hazards in-line |
turn-signal switch hazard switch right-side flashers right-side flasher repeater |
| green/yellow | green | heater fan switch heater fan slow speed |
| light-green/black | green | screen washer switch screen washer pump |
| light-green/brown 1 | green | turn flasher turn switch |
| light-green/brown 2 | hazards in-line | hazards flasher hazards switch |
| light-green/green | green | voltage stabiliser fuel gauge temp gauge |
| purple | purple | fusebox horn switch boot light cigar lighter headlamp flasher time-delay unit clock courtesy light |
| purple/black | purple | horn switch horns |
| purple/green | purple | ignition key buzzer door
switch time-delay unit |
| purple/pink | purple | ignition switch ignition key buzzer door switch |
| purple/white 1 | purple | door switches courtesy light |
| purple/white 2 | purple | boot switch boot light |
| red | red | fusebox rear/parking/side marker lights (one fuse per side) |
| red/green | none | main lighting switch fusebox panel lights dimmer |
| red/light-green | green | wiper switch wiper motor 'normal' speed |
| red/white | none | panel lights dimmer panel lights |
| slate | none | ignition switch anti-runon valve in-line fuse |
| slate/purple | anti-runon valve in-line fuse | anti-runon valve in-line
fuse anti-runon valve |
| slate/yellow | anti-runon valve in-line fuse | anti-runon valve oil pressure switch |
| white 1 | none | ignition switch inertia cut-off switch ignition warning light ignition relay |
| white 2 | none | inertia cut-off switch fuel pump overdrive gearbox switch (part way) |
| white 3 | none | ignition relay (part
way) coil ballast resistor 45DE4 distributor 45DE4 distributor resistor |
| white/black | none | coil -ve distributor tachometer (signal) |
| white/blue | none | 45DE4 distributor
resistor 45DE4 distributor |
| white/brown 1 | none | ignition relay fusebox 45DE4 distributor resistor (part way) 45DE4 distributor (part way) coil ballast resistor cooling fans in-line fuse |
| white/brown 2 | none | inertia cut-off switch (part
way) overdrive gearbox switch |
| white/green | none | ignition switch accessories connector |
| white/light-green | none | coil ballast resistor coil +ve starter solenoid |
| white/red | none | ignition switch starter relay brake diode service interval diode time delay unit |
| yellow | none | overdrive gearbox
switch overdrive manual switch TCSA vacuum solenoid (part way) |
| yellow/black | none | TCSA gearbox switch (part
way) TCSA vacuum solenoid |
| yellow/brown | purple | drivers seat-belt buckle
switch time delay unit |
| yellow/purple 1 | none | overdrive manual
switch overdrive solenoid |
| yellow/purple 2 | purple | time delay unit seat-belt warning light |
| yellow/red | none | 45DM4 distributor 45DM4 distributor amplifier |
