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Wiring my CB550F2 from 1978

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Bryanj:
To fully understand what you have you need to look at both US and UK diagrams to see differences.
You MUST insulate well that loose black/red as it will have positive 12v on all the time ignition is on and start button released

alexdecker:

--- Quote from: Bryanj on July 25, 2022, 05:26:07 PM ---To fully understand what you have you need to look at both US and UK diagrams to see differences.
You MUST insulate well that loose black/red as it will have positive 12v on all the time ignition is on and start button released

--- End quote ---

Yeah, checked out all the different F2 diagrams, but none have a black wire from the tail light. It worked before I took the whole thing apart, and back then the black wire was grounded. So am just gonna do that again. But would’ve liked to understand what’s going on.

I will insulate it properly! Thanks! And probably get back with a bunch of questions when I hook up the gauges  ;D

Bryanj:
A po probably added an extra ground cos they thought it needed it!

McCabe-Thiele (Ted):
I found my original loom had colour faded quite badly plus I had a none UK left side handlebar switch unit though it looked original in terms of age. Just no pass switch & different horn wiring.

I made up a mini loom for the rear lamp unit to retain the original colours as mine was in very poor condition.

alexdecker:

--- Quote from: McCabe-Thiele (Ted) on July 25, 2022, 09:11:49 PM ---I found my original loom had colour faded quite badly plus I had a none UK left side handlebar switch unit though it looked original in terms of age. Just no pass switch & different horn wiring.

I made up a mini loom for the rear lamp unit to retain the original colours as mine was in very poor condition. If you PM me your e-mail address I can send you my XL wiring spreadsheet if that helps.

--- End quote ---

Thank you, I would love that! You can send it to alex@alexdecker.dk. Or share it in here for others to enjoy as well!

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