Author Topic: The 500 lack of multiple fuses is there a cure ?  (Read 864 times)

Offline McCabe-Thiele (Ted)

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The 500 lack of multiple fuses is there a cure ?
« on: May 10, 2023, 07:38:36 PM »
Reading the problems that Rich & Julie have had with 500 looms is making me re-think my wiring when I get to that stage.
I will be inspecting my existing loom that did work everything last year when I re-do some of the taping/insulation.

Fitting a new loom is clearly not always a long term fix - one fuse sounds less than ideal - Roo's Motogadget box of tricks looks too complicated for me so am thinking is there another way forward?

Is it possible to use a later Honda Loom from another model that with the appropriate fuse box will work or could fuses be added to the existing loom in a tidy way?
Honda CB500 K1 (new pit dug out ready)
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Laverdaroo

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #1 on: May 10, 2023, 08:21:28 PM »
Don’t be put off Ted, they’re a doddle to fit. I really mean that, super easy. It’s just the features it has that are multiple but once you identify what you want it’s simple to pre program it in seconds and it’s done for life. Sorted.

You can make your loom how you want, it’s small and unobtrusive and is configurable with all the Honda switches too so you could even use your existing loom if you thought it was good and wire it through it and simple use it as a distribution board, alarm, immobiliser etc and of course a fused item. If you want to have a good look I can send you all the links over that I used and it pretty much clicked straight away and I’m no electrician by any means.


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Mornings are the invention of the devil!

1977 CB550F (current money pit!!)
2002 VFR800 VTEC (The Beloved)
1977 CB400F (the last money pit!)
1998 Ducati 748\853 conversion(sold :()
1980 ish CB750KZ in a billion bits (need to get rid, anybody want one?))

Offline McCabe-Thiele (Ted)

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #2 on: May 10, 2023, 08:52:43 PM »
Might be worth giving it some thought Roo.
I don't even know if the Motogadget has replaceable fuses as such.
My worry is that if it's a solid state unit all sealed up they must be capable of failing or developing intermittent faults.
I've suffered RCB failures on a previous house consumer units.
If I am honest I like the idea of retaining sections of the loom and perhaps using some aspects of the unit.

I also have a habit of forgetting how I have wired something up six months later.

Honda CB500 K1 (new pit dug out ready)
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Oddjob

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #3 on: May 10, 2023, 09:21:34 PM »
Just fit a loom off a Cb550F Ted, straight forward swap, you'll need a fuse box of course but the rest is pretty much plug and play except the ignition lock, you'd need to make up a small sub loom to take the wires down from the headlight area to down to the coils, the handlebar switches are better off being changed as well or you can just extend the existing wires. Or just use the top yoke off the 550F as well.

I did it many years ago and I've never regreted it.
Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.

Offline Laverdaroo

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #4 on: May 10, 2023, 09:32:45 PM »
There you go then


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Mornings are the invention of the devil!

1977 CB550F (current money pit!!)
2002 VFR800 VTEC (The Beloved)
1977 CB400F (the last money pit!)
1998 Ducati 748\853 conversion(sold :()
1980 ish CB750KZ in a billion bits (need to get rid, anybody want one?))

Offline McCabe-Thiele (Ted)

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #5 on: May 10, 2023, 10:17:20 PM »
That sounds an interesting option Ken. I already have some new switches with overlong wires so that's a start. I need to make sure I get the right loom & fuse box. A short loom to the ignition switch is no problems.
Honda CB500 K1 (new pit dug out ready)
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Oddjob

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #6 on: May 10, 2023, 11:02:06 PM »
Might be able to help you out with a fusebox Ted. Replaced mine with a blade fuse one from Hondaman. Old one is still in perfect nick.

I also have a genuine F2 loom, I bought a nos one but wasn’t sure if I was using it or not, old loom is still good so I was thinking of using that and keeping the Nos one for spare.
Kids in a the back seat cause accidents.
Accidents in the back seat cause kids.

Offline McCabe-Thiele (Ted)

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #7 on: May 10, 2023, 11:27:59 PM »
I've sent a PM.
Honda CB500 K1 (new pit dug out ready)
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Matt_Harrington

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #8 on: May 11, 2023, 07:24:17 AM »
Ted, I've had a shufty at Roo's Motogadget and i was very impressed. It's the diagnostics (micro LEDs) that is really good - ideal for tracing faults etc. My next bike will have one!

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CB400F 1976 -  Almost finished
CB400F 1977 - On the road!
Moto Guzzi Le Mans 2 - 1981 (undergoing a spruce up)
CD175 - To be restored
Triumph Speed 400

Offline McCabe-Thiele (Ted)

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #9 on: May 11, 2023, 08:31:53 AM »
Looking at the price of a new 550F loom narrows the cost difference somewhat when looking at the Motoblathingy.

Perhaps I should not let Rich's dead short nightmare colour my thinking and stay with the original loom.
Ken's solution sounds easier - no rush either way.

Bikes eh so many ways to fill the money pit even more - should have found an old mineshaft to fill with dosh as a contingency option. 😁😁😁


Honda CB500 K1 (new pit dug out ready)
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline Matt_Harrington

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #10 on: May 11, 2023, 08:33:42 AM »
Ted, it's so easy to spend money these days!!

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Matt
___________________________________
CB400F 1976 -  Almost finished
CB400F 1977 - On the road!
Moto Guzzi Le Mans 2 - 1981 (undergoing a spruce up)
CD175 - To be restored
Triumph Speed 400

Offline McCabe-Thiele (Ted)

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #11 on: May 11, 2023, 09:28:42 AM »
True but there ain't no pockets in Shrouds as my Dad used to say.
Honda CB500 K1 (new pit dug out ready)
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

Offline deltarider

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #12 on: May 11, 2023, 09:37:43 AM »
Just fit a loom off a Cb550F Ted [...]
I would not. The better alternative ofcourse is the loom the CB500K2 (ED, F, G) had: https://www.cmsnl.com/honda-cb500k2-general-export_model50441/harness-wire_32100374700/
BTW, it's the same the CB550K2 (A) had. You can have 3 fuses, knowing: 15A main, 7A head, 5A tail.

Offline Laverdaroo

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #13 on: May 11, 2023, 09:39:44 AM »
Ive a spare shaft you can borrow Ted? ;) ;D
Mornings are the invention of the devil!

1977 CB550F (current money pit!!)
2002 VFR800 VTEC (The Beloved)
1977 CB400F (the last money pit!)
1998 Ducati 748\853 conversion(sold :()
1980 ish CB750KZ in a billion bits (need to get rid, anybody want one?))

Offline McCabe-Thiele (Ted)

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Re: The 500 lack of multiple fuses is there a cure ?
« Reply #14 on: May 11, 2023, 11:50:03 AM »
Ive a spare shaft you can borrow Ted? ;) ;D

With the right winding gear Roo?
Honda CB500 K1 (new pit dug out ready)
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html
http://forums.sohc4.net/index.php/topic,151576.msg1731556.html#msg1731556

 

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