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New 81 kz750H LTD 19 Jul 2021 23:29 #852086

  • Elfarm98648
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Does anyone know what these wires connect to? This is my only issue with the wire harness currently. I am used to vehicle wiring where everything has an identifiable and unique plug not just little pins that could go anywhere. 
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New 81 kz750H LTD 19 Jul 2021 23:56 #852087

  • F64
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Just an educated guess.
black with yellow tracer-negative ground

white with blue tracer-positive accessory connector(used if you want to add lights/phone charger..) 10 amp max

brown wire- positive wire to power lights for gauges, brake lights( check and see if all of your lights are functioning)

yellow with black tracer--not sure
81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY

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New 81 kz750H LTD 20 Jul 2021 09:55 #852115

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Okay roger on all of that. The brown wire, does it connect to the gauges or what? The bike was laid on its side so I had to order a replacement gauge set and it’s not here yet so I’m unsure if there is a brown wire that will match it on the cluster. The only light that works is the rear running light right now. 

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New 81 kz750H LTD 20 Jul 2021 11:01 #852122

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brown wire is 12 volt positive when key is turned to run

the brown wire connects to:
neutral light
oil pressure warning light
low fuel warning/brake light failure light
horn
front brake light switch
rear brake light switch
turn signals
The items are above ground switched. The brown wire supplies +12V and the switch supplies the ground through another wire.

reg/rec

The brown wire appears deep maroon on the schematic.



schematic courtesy of: Mcdroid and KZJOE900         
81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
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Last edit: by F64.

New 81 kz750H LTD 20 Jul 2021 12:16 #852132

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The ground switch makes sense, I was looking over the diagram and found that out. Thanks. I’ll have to see what all the brown goes to and what it doesn’t. Thanks!

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New 81 kz750H LTD 22 Jul 2021 12:26 #852285

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Just finished the carb rebuild and top cover powder coat. Dang. Slicker than a minnows pecker. 
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