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Honda Inline Four
Wire Color Codes
1975~1982
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| Battery |
From |
To |
| Red |
Mainfuse |
Keyswitch |
| Black |
Keyswitch |
Fuses, Switches, Components |
| Green 2 |
Components |
Frame |
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 |
Headlight Fuse |
| Black/Red |
Headlight Fuse |
Starter Button |
| Blue/White |
Starter Button |
Hi/Lo Switch |
| Blue |
Hi/Lo Switch |
High Beam |
| White |
Hi/Lo Switch |
Low Beam |
| Tailight |
From |
To |
| Black |
Keyswitch |
Pos/Instr/Tail Fuse |
| Brown/Blue |
Pos/Instr/Tail Fuse |
Rt H/Bar Sw Plug Pigtail |
| Brown/White |
Rt H/Bar Sw Plug Pigtail |
(Back to the) Keyswitch |
| Brown |
Keyswitch |
Taillight |
| Stoplight |
From |
To |
| Black |
Keyswitch |
Stop/Signal/Horn Fuse |
| White/Green |
Stop/Signal/Horn Fuse |
Frt and Rear Stop Switches |
| Green/Yellow |
Frt and Rear Stop Switches |
Stoplight |
| Signals |
From |
To |
| Black |
Keyswitch |
Stop/Signal/Horn Fuse |
| White/Green |
Stop/Signal/Horn Fuse |
Turnsignal Relay |
| Grey |
Turnsignal Relay |
Turnsignal Switch |
| Light Blue |
Turnsignal Switch |
Right Turnsignals |
| Orange |
Turnsignal Switch |
Left Turnsignals |
| Horn |
From |
To |
| Black |
Keyswitch |
Stop/Signal/Horn Fuse |
| White/Green |
Stop/Signal/Horn Fuse |
Horn(s) |
| Light Green |
Horn(s) |
Horn Button |
| Green |
Horn Button |
Wiring Harness "Ground"3 |
| Charge |
From |
To |
| Black |
Keyswitch |
Reg/Rect, Field Coil 4 |
| White |
Field Coil |
Regulator/Rectifier |
| Yellow |
Alternator Stator |
Regulator/Rectifier |
| Red/White |
Regulator/Rectifier |
Battery |
| Start |
From |
To |
| Black |
Keyswitch |
Starter Button |
| Yellow/Red |
Starter Button |
Starter Solenoid |
| Green/Red |
Starter Solenoid |
Clch Sfty Sw, Ntrl Lt Diode |
| Green |
Clutch Safety Switch |
Wiring Harness "Ground" |
| Lt Green/Red |
Neutral Light & Diode |
Neutral Switch |
| Ignition |
From |
To |
| Black |
Keyswitch |
Engine Kill Switch |
| Black/White |
Engine Kill Switch |
Ignition Coils |
| Blue |
Points or Pulser 1&4 |
Coil or Spark Unit 1&4 |
| Yellow |
Points or Pulser 2&3 |
Coil or Spark Unit 2&3 |
Notes:
1. This table starts at 1975
because prior to that Honda used a different starting system, headlight
system and fewer fuses. It includes only inline fours because the
company's twins, opposed fours and V4s all use a different type of
alternator. The CBX, an inline six, is however nearly identical to this
table, saving that the pulsers are wired a little differently, due to a
different firing order, and of course there is one more pulser, a
pink wire.
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.
4. The second black out of
the regulator/rectifier has been omitted because the two are of equal
potential, that is, both are switched battery voltage.
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