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Author Topic: Wire Help  (Read 942 times)

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Offline blip

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Wire Help
« on: September 07, 2015, 02:11:49 PM »
I am about to finish up all the electrical on my 1971 CB500. I have the 2.5 mini speedo w/lights and 2.5 min tach from Dime City.  K&S headlight/turn/horn and K&S on/off/start control switches. Also using standard 2 wire turn signals 3 wire headlight. I have posted a wire diagram that I have made to help me. I would like if someone would take a look at it and let me know if I have messed anything up so I don't have any issues that I will have to try and sort out after.
I have also placed photos of the switches and speedo with the instructions that came with them on my PhotoBucket page.
Thanks in advance.

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Offline RAFster122s

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Re: Wire Help
« Reply #1 on: September 07, 2015, 02:27:08 PM »
Your wiring is a bit confusing. Your backlight for tach and speedo could be linked together as thry would always be both on or off, right?
I am assuming that the wire color you are linking to (connecting) is the stock harness colors.

Look at your high beam connections,  green wire?
Ground the high beam led indicator on the switch?

Headlamp switch has black, white and blue @ switch snd switches to green, white, and blue at the headlamp.

I am having trouble following you and your wiring logic in some areas. Where is the high beam switch?

« Last Edit: September 07, 2015, 02:29:03 PM by RAF122S »
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Offline blip

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Re: Wire Help
« Reply #2 on: September 07, 2015, 02:42:33 PM »
Yes stock wire harness. The stock wire diagram shows BR/W to backlight the speedo and BK/W to backlight the tach so thats how I left it. I did conciter connecting them to one. The headlight switch has on/off and hi-beam on the same 3 way switch w/ a led hi-beam indicator. the green wire for ground, blue, white to headlight and black for power.

here is the instructions for the switch
« Last Edit: September 07, 2015, 02:59:19 PM by blip »
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Offline Mantree

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Re: Wire Help
« Reply #3 on: September 07, 2015, 07:55:43 PM »
That looks pretty good but i would run the backlights together and just ground everything to the frame

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Offline calj737

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Re: Wire Help
« Reply #4 on: September 07, 2015, 08:02:22 PM »
On your speedo, the idiot lights for OIL and NEU, the gauge uses Red/BLK as the OIL ground and Gr/BLK for NEU ground. These should be connected to the stock BL/Red and Gr/Red respectively as they provide the ground, and you need to tap into 12v for the other side. The other lights use the taps as you have me, but these 2 lights are "reversed" being they receive a ground, not powered signal.
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Offline Mantree

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Re: Wire Help
« Reply #5 on: September 07, 2015, 10:10:10 PM »
He has the oil and neutral lights getin power from the ignition wire and grounding on switch like it would in factory configuration.  When I started on my 750 wireing to fix the lighting problems I ended up making a new wireing harness because of several shorts and a melted ignition wire imo it was well worth the $50 in wire and my time to get it working.

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