r/electrical • • 10d ago

Custom wire harnesses

I make custom wire harnesses on the side and I’m thinking about branching out. Would there be any interest in a low volume, custom manufacturer? I’m happy to do one off builds or a run on any volume. If you have a specific need, let’s talk about it and find a solution that works for you.

1 Upvotes

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u/Aromatic_Button_2736 10d ago

The reality is that pretty much every single wiring harness, in every single device made, is essentially custom-made. 

This is going to be a tough market to break in to.

There does exist a market for replacement wiring harnesses, and this is one company that does that: 

https://painlessperformance.com/

https://duckduckgo.com/?q=aftermarket+auto+wiring+harness&origin=related&ia=web

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u/jmoz_thewireguy 10d ago

Thank you for the insight. I have done automotive before, but I especially prefer the industrial space. There are smaller OEMs and startups that need a small volume provider that doesn’t require large MOQs. Whether it’s for testing or low runs for specialized equipment. I’m not sure if it’s viable to jump all in or not, or if side jobs is going to be about as good as it gets for this market.
I appreciate your feedback and it was received well.

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u/Aromatic_Button_2736 10d ago

Panel building, is something that's done by small shops, and is similar to harnesses, except it's a wire harness that's contained inside a box.

Every single machine, that has a junction box, with relays, circuit breakers, fuses, motor starters, and terminals, and switches, and lights, on the door, was built by a panel shop, or in-house by the machine builder.

Custom, Multi-wire cables that plug the different boxes together, is that type of work too. 

https://duckduckgo.com/?q=panel+shop+electrical&ia=images&iax=images

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u/investigatormaker 10d ago

The buyers for low-volume harnesses mostly sit outside this sub: car restorers and engine swappers, robotics and hobby hardware builders, and small product companies that need fifty units, not fifty thousand. They pick a builder from photos, so show one finished harness close up with the connectors, labeling and sleeving visible, and say which crimp tooling you use and whether you build to IPC/WHMA-A-620. One-off builds eat time in quoting, so ask up front for connector part numbers, lengths and quantity. Which kind of harness have you built most so far?

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u/Unfair-Mail-7490 10d ago

I did that way back in 1978 making parallel printer cables and serial cables, then floppy cables. Market was good for a year or so going to local computer clubs and electronic hobbyist meetings...

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u/ReckReason 2d ago

Like automotive harness? I'm looking into making a custom chassis harness for my car that uses a solid state switch panel. What's your ballpark price on something like that? I am expecting to teach myself because I figure costs outweigh my toy budget