Electrical Wiring - Honda Rebel Forum
 
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post #1 of 8 Old 01-20-2020, 03:17 PM Thread Starter
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Electrical Wiring

First time poster and forum newbie. Be nice lol. So I acquired a 1987 Honda rebel 450cc. Previous owner half way thru a bobber conversion and has removed the entire wiring harness, which I have, and suggested better to rewire bike completely. The bike will need the following to be legal to drive on roads here in New Zealand (and I might be missing a few things): headlight, hi low beam, front indicators, rear indicators, rear stop light, speedo with night light. Would like to reposition the ignition into a box on the side along with starter button. I have looked at the wiring diagram and am very afraid..Where is the best place to start? anyone done anything similar. Things like fuse boxes, recitfier and the other wiring leads I am unsure about. I dont know history of bike and if it had electrical problems and previous owner said better to rewire. I might have bitten off more than i can chew but thought I would ask here first. Appreciate any help...
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post #2 of 8 Old 01-20-2020, 05:23 PM
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Oy. How much are willing to spend to get that bike back to semi-spec? 450 parts are hard to come by but they can be had. A good wiring harness would be the best place to start.

1985 CMX250 ... 1986 CMX450 ... 2005 Ruckus 50
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post #3 of 8 Old 01-20-2020, 09:08 PM
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Welcome. Here's the results of an ebay search for CMX450 wiring harness.

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #4 of 8 Old 01-20-2020, 09:42 PM Thread Starter
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Im wanting to keep it as a bobber. Hope that isnt frowned upon. The wiring harness might be fine, its more about if we started from scratch what are the bare minimums apart from what i listed we need to ensure is wired up so it fires and runs as it should... I didnt explain myself very well.. Thank you for your help so far..And yes i know parts are scarce. Didnt put alot into bike so happy to spend on a rewire, but need to know what I need to do..
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post #5 of 8 Old 01-21-2020, 12:54 AM
 
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First you will need a wire diagram for the CMX450 which you can find on my Google Drive
suggest you peruse the 250 charging and ignition images even though 450 wiring is slightly different, the operating principle is the same.. these will indicate the bare basic wiring needed to start, charge, and run your Rebel..

Wire Harness color codes typically used for different systems can be found Here:
Honda Wiring Color Codes

96 VS800 Intruder (sold 2018 ), 87 CMX250C Rebel,
79 CB400 Hawk (sold 93), 75 CB350 (sold 83), 71 CB350 (stolen 74)
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post #6 of 8 Old 01-21-2020, 08:45 AM
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Try doing tag searches for "450 alternate wiring diagram" and "alternate wiring diagram".

Keepin' all the left over parts. Gonna use 'em to build another bike!

'01 & '09 Rebel 250, '06 Ninja 250, '89 VN 750
Putting your bike year and model in your signature helps others help you!
Here's how: https://www.hondarebelforum.com/f19/...re-121087.html
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post #7 of 8 Old 01-22-2020, 03:20 PM
 
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minimal wiring

The 450 has an additional marker/running light circuit to front signals the 250 doesn't have
If you run a jumper as shown in Red to speedometer lights both parking and signal marker/running light circuits are bypassed and can be eliminated.

These wiring diagrams have been uploaded to Google Drive
Attached Images
File Type: jpg 86-87_CMX450c_Minimal-Wiring.jpg (161.1 KB, 5 views)
File Type: jpg 86-87_CMX450c_Wiring01.jpg (194.4 KB, 3 views)

96 VS800 Intruder (sold 2018 ), 87 CMX250C Rebel,
79 CB400 Hawk (sold 93), 75 CB350 (sold 83), 71 CB350 (stolen 74)
Help others help you, Include Year in your signature...
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post #8 of 8 Old 01-22-2020, 03:25 PM Thread Starter
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Thank you so much to all who responded. Thanks to Soakedkarma for the wiring diagrams. Legend...
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