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Author Topic: CB550K2 wire mystery  (Read 506 times)

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Offline Doctee

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CB550K2 wire mystery
« on: July 30, 2023, 08:40:02 AM »
Hi everyone I'm a newbie to the site , I live in Manchester , UK and my Name is Trevor. I've just purchased a CB5502. The headlight bowl was cracked so  i purchased a new one. \When I've come to fit the new one I have a brown wire with a red tracer and the female connector sleeve with a transparent and yellow sleeve. Can any one tell which colour wire goes to it. I've checked as many wiring diagrams as I can find,  but none show it.
The bike is an USA import. I'm sorry if this is in the wrong place but as I said I'm new to the club
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Offline bryanj

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Re: CB550K2 wire mystery
« Reply #1 on: July 30, 2023, 10:55:14 AM »
Cant remember exactly but the red/brown connectscto a different colour, what happens is power comes from the start button down the loom to headlamp fuse, back up the loom on a different colour to the lh dimmer switch.
Come to the uk forum quite a few people have us imports so may have the answer.
The other answer is to fit a uk rh switch so you can turn the lights off
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline Deltarider

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Re: CB550K2 wire mystery
« Reply #2 on: July 31, 2023, 03:16:26 AM »
Welcome Doctee!
I'm not sure what you mean by 'with a red tracer'. This model is supposed to have a brown wire female in the headlamp bucket not connected. Has to do with that this US model lacks the socalled positionlight, which the CB500K2 GENERAL EXPORT has, a model that uses the same wire harnass. Also I don't know what you mean by 'the female connector sleeve with a transparent and yellow sleeve'.
Have you consulted the specific wiring diagram for the Cb550K2 (aka CB550 '76) yet? It's on p.172 in the addendum of the Shop Manual CB500-550. You'll find that manual here in a good resolution: https://www.dropbox.com/s/lirtu1euydi0rol/Honda%20CB500_CB550%20%20Four%20Service%20Manual%20Ammended.pdf?dl=0.
Are the headlight and both handlebar switch units the original US ones?
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Offline bryanj

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Re: CB550K2 wire mystery
« Reply #3 on: July 31, 2023, 05:12:34 AM »
Red tracer means red stripe, and on the us model i remember one of the clear female connector cover sleeves was half yellow
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Semi Geriatric ex-Honda mechanic and MOT tester (UK version of annual inspection). Garage full of "projects" mostly 500/4 from pre 73 (no road tax in UK).

Remember "Its always in the last place you look" COURSE IT IS YOU STOP LOOKIN THEN!

Offline Deltarider

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Re: CB550K2 wire mystery
« Reply #4 on: July 31, 2023, 07:42:36 AM »
I have just studied forsaid wiring diagram (p. 172) and that tells me the Br/R should be connected to the Y-tube. Br/R comes from the main fuse and powers the HEADLIGHT DIMMER - TURN SIGNAL - HORN SWITCH.
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Offline Doctee

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Re: CB550K2 wire mystery
« Reply #5 on: July 31, 2023, 09:09:23 AM »
Hi, Thanks to everybody for your help. Deltarider has cleared the confusion for. Thanks for all your help.
Regards Doctee
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