New CB450 Wiring Diagram
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Thread: New CB450 Wiring Diagram

  1. #1
    Senior Member FrisianWheel's Avatar
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    New CB450 Wiring Diagram

    When I've checked and restored the stock wiring harness of my 450 project recently, I realized that I was never really satisfied with the different wiring diagrams we're all familiar with. So I decided to do another one. Since I'm working on a '72 it's based on the K5 factory diagram. The main purpose to do another one was that I wanted to have a clean basis to draw perhaps a modified diagram from and to make one as easy to read as possible. I started to work on my first 450 with the original b/w shop manual which was hardly readable. I found others but was nerver really pleased...
    So here is another version. I'm not an electical engineer so some symbols might not be 100% correct but my focus was on readability and understanding. Comments and suggestions are highly apprechiated! Especially for the right hand controls where I'm still struggling with the neutral...

    Attachment 239258
    Gunnar

    1972 CB450 K5
    1975 CB500T
    1972 CB450 K5 - in progress

  2. #2
    Senior Member doode's Avatar
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    Attachment isn't viewing for me.
    Recently I needed to rewire my 450 since it was all hacked to bits by a previous owner. I ended up using a random 350 and it mostly fit.

  3. #3
    Senior Member Zeek's Avatar
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    Yep, no attachment showing

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  5. #4
    Senior Member FrisianWheel's Avatar
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    Hmm, I can open it... Ok, once more as (vectorized) pdf and this time as jpg as well. Resolution on the jpg is probably just sufficient and not great...

    Wiring K5-2.pdfNew CB450 Wiring Diagram-450k5_wiring.jpg
    Lefty, marhal and Rob Axel like this.
    Gunnar

    1972 CB450 K5
    1975 CB500T
    1972 CB450 K5 - in progress

  6. #5
    Senior Member doode's Avatar
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    This looks nice. Thanks!

  7. #6
    Senior Member Zeek's Avatar
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    Very nice....you should do them for all the other Hondas as well

  8. #7
    Member SeanFD's Avatar
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    +1 on Zeek.

    Nice pic.
    Sean D

    After a lifetime of asking, I still have more questions than answers.

  9. #8
    Senior Member HondaPete89's Avatar
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    This is GREAT
    1975 500T
    1971 CL450
    1970 Norton Commando S

  10. #9
    Senior Member dtsmjr8dan's Avatar
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    Very nicely done.
    1977 CB750 (acquired project)
    1979 CM400T (rider),
    1979 CM400T (resting)
    1980 CM400T (just picked up in pieces)
    1981 CM400T (in surgery receiving transplant)
    1982 CM450 (donor engine for 81)
    1982 CB450 (parts bike)
    1985 VT1100C (rider)

    Past rides: Vincents, Triumph, BSA's, Suzuki's, Twingle, Corgy, others.

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  11. #10
    Senior Member FrisianWheel's Avatar
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    Thanks.

    Thank you guys! Can anyone verify the right hand control switch settings? I'm wondering why DY/SE is always connected and also what the 'neutral' status is about...

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