Upgraded oilcooled wiring loom

[Jelly]

Allright, I'm planning some work for the winter and am thinking of building a loom. Normally we tend to stick with the old stuff and make it work, but since looms are also over 30 years old they detoriate. 

In the basic, oilboilers don't need any engine electronics besides spark, ignition and a starter. For the onboard electrics you need a reg/rec and a fusebox. 

Which made me think, what would be the upgraded version of a wiring loom? Taking out all the unnecessary stuff. 

Not going into the motogadget stuff, but just building a clean and nice loom with a modern fusebox, stick coils, upgraded handlebar controls. Which works well with a lithium battery without burning down the house etc. Convert everything to LED. 

What is everybody using? 

Maybe this could result in a nice list of components to use without breaking the bank, and I can turn it into a knowledgebase article. 

https://oldskoolsuzuki.info/forums/uploads/monthly_2019_09/370001285_SuzukiGSXR1100KLwiringdiagram.jpg.491b20a1007329d99c4bd396a13d95a0.jpg

• Fusebox
• Handlebar switches
• Relays
• Ignition coils
• circuit breakers
• Battery
• Alternator
• Reg/rec

My goal is to look at new stuff, or new-ish (like stick coils from a modern GXSR), and make it simple and compact, serviceable. 

I know @Leblowskiused something like a Steuerbox on the Bakker build he did. If there is a component which can replace a lot of the others, thats nice too. Or something like a PDM (Power distribution module) 

[davecara]

Slingshot looms are already about as pared down as you would want to go and  oil boilers use an alternator so you don't need to worry about a reg/rec.

Keeping all the lighting LED drops the load on everything so I'm usually happy to replicate something like a 750M loom that doesn't have headlight relays and adjust the branches as needed to fit onto other bikes. 

Switchgear wise I usually fit newer K series or late B12 onto my bikes and repin the plugs and they work off the bat. I also tend to favour late B12 CDI's too just purely because they are newer

The other advantage of doing things this way is that Suzuki on the whole still uses the same colours for their wiring today is it did in 1985 so even if you're not electrically minded, you can always just match colours up (testing before connecting power obvs)

PDM's/MUnits have their place but its about the same amount of work to build a conventional style loom provided youre doing it properly

Edited September 27 by davecara

[Gixer1460]

If you want 'stripped down' - the basic custom loom contained somewhere in the vault is as good a place to start - copied below for reference.

One advantage these days is wire size against current capacity has improved so loom bundles are physically smaller & lighter !

[dupersunc]

Build the loom around an ignitech or similar.  better suited to stick coils and loads of extra functionality like quick shifters, shift lights, etc.

[Leblowski]

https://shop.mgm-bikes.com/aid-649-Steuerbox-Version-D-NEU-ab-12-2021.html

 

I had this on the bakker, worked perfect and good value for money.

 

[perryh]

I'll be following this closely. I really want to build a new loom but never done it before. Fancy giving it a go so will be quite interested to see how you end up going about it. 

[coombehouse]

I used a 650 bandit loom on something I'm building with an oil cooled motor. It's new enough to be in good condition, about the right size for oss bikes & very cheap. I've even seen brand new looms for very little money on Eblag. Probably best to avoid the abs models though

[Leblowski]

On my kwaka gsxr turbo build i build a new Loom from scratch only using the bare minimum of what was needed. I used switchgear of a newish bike cant recall from what and used a gsxr ignition switch.

I only Needed brakelight, horn and light so it was a very simple Loom.

Set me back like 75 euro so perfect 

 

[Jelly]

12 hours ago, Leblowski said:

On my kwaka gsxr turbo build i build a new Loom from scratch only using the bare minimum of what was needed. I used switchgear of a newish bike cant recall from what and used a gsxr ignition switch.

I only Needed brakelight, horn and light so it was a very simple Loom.

Set me back like 75 euro so perfect 

 

That’s also what I figured. The engines don’t need much, so why fiddle around with all the old stuff and instead build something better.

thanks for the tips, I’ll be posting something soon how i plan to go along

[Jelly]

Well it turned out I had a perfect B12 loom laying around, which I will use to modify rather than make everything new. I will ultrasonic clean the loom first and shorten it. Will be running a B12 engine too so all the connectors are already there

Done some research on stick coils on here:

https://oldskoolsuzuki.info/forums/topic/19062-stick-coils/

https://oldskoolsuzuki.info/forums/topic/14536-stick-coil-conversion/

However it's not only about stick coils. 

I was wondering if there is a replacement for the stock CDI, because that's quite bulky. I have a space to put it, but just to wonder. Also for the main breaker, are there any good universal options? Or can you just sort it with a fuse holder like this: 

 

 

Looking for a (LED useable) blinker relay too. But I think I can find that with my friends at Ali. 

[Joseph]

1 hour ago, Jelly said:

Also for the main breaker, are there any good universal options? Or can you just sort it with a fuse holder like this ?

You can indeed just fit a (reachable) 30A main fuse inline from the feed from the battery, or if you are using an OC type fuse box, and since you're building a loom yourself, you can use an AC fuse box instead, same shape and plug but the ACs main feed is a 30A fuse in the fuse box

Edited October 11 by Joseph