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1981 Kz550c LTD Wiring Harness 24 Aug 2016 11:45 #739762

  • arabicmotorcycle
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Hi everyone,

I need to replace the wiring harness on my 1981 Kz550c LTD. I bought a replacement wiring harness on ebay but its for a 1981 kz550 a (I didn't pay attention). I noticed that there are a number of different plugs on the new wiring harness. Should I (a) try and work with the new harness and cut/add the necessary plugs or (b) rewire the bike from scratch?

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1981 Kz550c LTD Wiring Harness 24 Aug 2016 13:48 #739779

  • Nerdy
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arabicmotorcycle wrote: Hi everyone,

I need to replace the wiring harness on my 1981 Kz550c LTD. I bought a replacement wiring harness on ebay but its for a 1981 kz550 a (I didn't pay attention). I noticed that there are a number of different plugs on the new wiring harness. Should I (a) try and work with the new harness and cut/add the necessary plugs or (b) rewire the bike from scratch?


If returning the original harness to the seller is no longer an option, you might as well try to use as much of it as you can. Even if it only matches your existing harness 50%, that is 50% you won't need to make from scratch.

You can go to Home Depot or to an auto parts store and buy electrical connectors, cut off the plugs on the new harness that don't fit, and make your own connections wire-to-wire. I can't imagine the two harnesses would differ so much that you wouldn't be able to connect things like turn signals, headlight, horn etc. with very little trouble. Good luck!
1979 KZ400 Gifted to a couple of nephews
1967 Yamaha YCS1 Bonanza
1980 KZ440B
1981 Yamaha XT250H
1981 KZ440 LTD project bike
1981 GPz550
2013 Yamaha FZ6R

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