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Bibio · 20-04-23, 09:48 AM

rear tail light:
Running lights + = Brown (this is constant live when ignition is on).
Brake + = White - Black band (this is only on when a brake switch is on).
Return (ground) = Black - White band (this is for both brake and running lights).

Front brake switch: (the switch cabling can be different colours depending on year of bike. its not till it connects with the main loom that the cabling colours change).
Live feed to switch + = Orange with Black or green band (this is constant live and shared with a few other electrical equipment including the horn).
Switch ON feed + = White with Black band (this is the live out when the brake is on)

Rear brake switch: (the switch cabling can be different colours depending on year of bike. its not till it connects with the main loom that the cabling colours change).
Live feed to switch + = Orange with Black or green band (this is constant live and shared with a few other electrical equipment including the horn).
Switch ON feed + = White with Black band (this is the live out when the brake is on).

its highly unlikely that both switches have failed but hey stranger thing's have happened.

my advice is to disconnect the front brake light switch then the rear and see if the rear light dims. as others have said it could be that a switch is constant on.

good luck.

20-04-23, 09:48 AM	#7
Bibio Member Mega Poster Join Date: Jul 2008 Location: here as devil's advocate Posts: 11,540	Re: Pointy - No Brake Lights rear tail light: Running lights + = Brown (this is constant live when ignition is on). Brake + = White - Black band (this is only on when a brake switch is on). Return (ground) = Black - White band (this is for both brake and running lights). Front brake switch: (the switch cabling can be different colours depending on year of bike. its not till it connects with the main loom that the cabling colours change). Live feed to switch + = Orange with Black or green band (this is constant live and shared with a few other electrical equipment including the horn). Switch ON feed + = White with Black band (this is the live out when the brake is on) Rear brake switch: (the switch cabling can be different colours depending on year of bike. its not till it connects with the main loom that the cabling colours change). Live feed to switch + = Orange with Black or green band (this is constant live and shared with a few other electrical equipment including the horn). Switch ON feed + = White with Black band (this is the live out when the brake is on). its highly unlikely that both switches have failed but hey stranger thing's have happened. my advice is to disconnect the front brake light switch then the rear and see if the rear light dims. as others have said it could be that a switch is constant on. good luck.