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Honda Inline Four
Wire Color Codes
1969~1974
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| Battery |
From |
To |
| Red |
Fuse (at start solenoid) |
Keyswitch |
| Black |
Keyswitch |
Switches, Components |
| Green2 |
Components |
Frame ("Ground") |
The section above applies to each of the sections below.
Because of this, each of the following sections begins with the keyswitch. |
| Headlight |
From |
To |
| Black |
Keyswitch |
On/Off, Hi/Lo Switch |
| Blue |
On/Off, Hi/Lo Switch |
High Beam |
| White |
On/Off, Hi/Lo Switch |
Low Beam |
| Tailight |
From |
To |
| Black |
Keyswitch |
On/Off, Hi/Lo Switch |
| Brown/White |
On/Off, Hi/Lo Switch |
(Back to the) Keyswitch |
| Brown |
Keyswitch |
Taillight |
| Stoplight |
From |
To |
| Black |
Keyswitch |
Frt and Rear Stop Switches |
| Green/Yellow |
Frt and Rear Stop Switches |
Stoplight |
| Signals |
From |
To |
| Black |
Keyswitch |
Turnsignal Relay |
| Grey |
Turnsignal Relay |
Turnsignal Switch |
| Light Blue |
Turnsignal Switch |
Right Turnsignals |
| Orange |
Turnsignal Switch |
Left Turnsignals |
| Horn |
From |
To |
| Black |
Keyswitch |
Horn(s) |
| Light Green |
Horn(s) |
Horn Button |
| Charge |
From |
To |
| Black |
Keyswitch |
Voltage Regulator |
| White |
Voltage Regulator |
Field Coil |
| Green |
Voltage Regulator |
Wire Harness "Ground"3 |
| Yellow |
Alternator Stator |
Rectifier |
| Red/White |
Rectifier |
Battery |
| Start |
From |
To |
| Black |
Keyswitch |
Solenoid |
| Yellow/Red |
Solenoid |
Starter Button ("Grounded") |
| Ignition |
From |
To |
| Black |
Keyswitch |
Engine Kill Switch |
| Black/White |
Engine Kill Switch |
Ignition Coils |
| Blue |
Points 1&4 |
Coil 1&4 |
| Yellow |
Points 2&3 |
Coil 2&3 |
Notes:
1. This table stops at
1974 because afterward Honda used a differerent starting system, headlight
system, and more fuses. It includes only inline fours because Honda's
twins, opposed fours and V4s all use a different type of alternator.
2. Honda's colors for switched
power (black) and for ground (green) are opposite most other company's.
3. Honda has from the beginning,
and even more so in later years, relied on very few physical grounds,
preferring instead component ground loops back into the wire harness for a
central ground on the frame. A very good practice which the other
manufacturers did not start until quite recently.
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