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Electrical battery dying 05 Sep 2020 16:55 #834454

  • erik556
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Need help does anyone know where these go too
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Electrical battery dying 05 Sep 2020 17:58 #834455

  • KZQ
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Hi Eric,
Welcome to KZR.
If you'd let us know which bike we're looking at we'd have a place to start.
Bill
www.KZ1300.com
Riders:
1968 BSA 441 Shooting Star, 1970 BSA 650 Lightning, 1974 W3, 1976 KZ900, 1979 KZ750 Twin, 1979 KZ750 Twin Trike, 1981 KZ1300, 1982 KZ1100 Spectre, 2000 Valkyrie, 2009 Yamaha Roadliner S. 1983 GL 1100
Projects:
1985 ZN1300

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Electrical battery dying 05 Sep 2020 20:19 #834458

  • erik556
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Sorry 1974 kz400

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Electrical battery dying 06 Sep 2020 16:43 #834496

  • loudhvx
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That wiring has been heavily modified so it will be almost impossible to know where those wires should go for certain, but we can make some guesses.

It appears you have an aftermarket regulator/rectifier combination unit. You will want to find out who made it or at least what the wire colors represent. The alternator uses a green wire to power the field coil. So maybe that green wire goes from the reg/rec to the alternator (left side cover).

I don't think the white wire should tie directly to a brown wire. Most often they are separate circuits. The output of the reg/rec may be a white wire which would go from the reg/rec to the battery. There would not be a brown wire involved in that path.

Brown is usually switched 12v and goes to many places on the bike to power many things. The regulator will probably use a brown wire to power the control circuit for the regulator.

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Last edit: by loudhvx.
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