Honda-SOHC

SOHC.co.uk Forums => CB500/550 => Topic started by: Johnwebley on June 26, 2018, 08:02:12 PM

Title: electrical problems !!!
Post by: Johnwebley on June 26, 2018, 08:02:12 PM


  have asked,and received a replacement speedo bulb holder,thought it would be about an hurs job to fit,

 was it hell !!  I seem to have issues ,

 when I turn on the lights,only the side light comes on,put it in park,the speedo and tacho ,with the rear light comes on,

 indicators work perfectly,headlamp flasher works ,

I think a wire must have been switched !!,but I only have wiring diagram for USA model,no seperate light switch ,and no pilot bulb.


CAN ANYONE GIVE ME A LINK TO A 500/4 K1 UK model wiring diagram?

 need to get sorted for sunday !!
Title: Re: electrical problems !!!
Post by: Nurse Julie on June 26, 2018, 08:58:27 PM
John. We have a UK k1 wiring diagram here, I will email you over a copy.
Title: Re: electrical problems !!!
Post by: Johnwebley on June 26, 2018, 09:03:32 PM
What colour wires are coming from the speedo/tacho bulb holders.

  green for earth ,and brown/white for power,

 I need to know what pilot cable is ,also the power lead to the switch gear on RH handle bar ,maybe they got switched
Title: Re: electrical problems !!!
Post by: Johnwebley on June 26, 2018, 09:04:13 PM
John. We have a UK k1 wiring diagram here, I will email you over a copy.

  thanks Julie XXXX
Title: Re: electrical problems !!!
Post by: Underdog1 on June 26, 2018, 10:09:10 PM
Here’s all the SOHC four wiring diagrams

http://manuals.sohc4.net/cb500/

EDIT: sorry mate seems it’s US bike only on there!
Title: Re: electrical problems !!!
Post by: Woodside on June 26, 2018, 10:19:57 PM
uk k1
Title: Re: electrical problems !!!
Post by: Johnwebley on June 26, 2018, 11:15:15 PM
uk k1


  thanks for all your help,

  I shall be grafting on it in the morning
Title: Re: electrical problems !!!
Post by: Johnwebley on June 27, 2018, 11:46:51 AM
uk k1


  thanks for all your help,

  I shall be grafting on it in the morning


  job done ,I had accidently swopped a brown and blue wire with a brown wire .

 will be going to Northleach this evening ,so that will check it out .

 thanks to everyone that helped and supplied a UK wiring diagram,
the Haynes manual uses a US  ne without side light,but it shows a UK headlamp  in photos
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