Slimy38
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| posted on 18/10/25 at 08:13 AM |
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Conduit for wiring
A quick check for the IVA test. My wiring is in split conduit where it goes from the fusebox and ECU to the engine, secured at convenient points that
have worked out to be about every 200mm, so I'm happy with that. I also have runs of wires going from the fuse box to the front and back lights
(one run per end). Single runs that are bound with loom tape and clipped every 250mm, but not in conduit.
Given they're wrapped and secured all along the body, do I need to have the lighting wiring in conduit? Part of me is thinking 'why
wouldn't you', but then I feel like I've done a decent job with binding and securing that it would be pointless to add conduit.
If I do go for conduit, I'm tempted to use this stuff
https://www.amazon.co.uk/Alex-Tech-10ft-Protector-Sleeving/dp/B07FW3GTXB
, I'm aware that some loom manufacturers use it but has anyone tried it on a DIY loom? Is it harder to work with than the standard split
corrugated stuff?
For info, the fixings are standard cable tie bases but rather than self adhesive I've used Tiger seal for a proper bond. Given that I
accidentally stood on one and it didn't budge I'm hoping they're acceptable.
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Partofthechaos
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| posted on 24/10/25 at 01:37 PM |
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Thought I'd reply, though I havent quite got as far as the IVA yet. I have used the split conduit of different sizes for most of mine, then
sleeving for the thinner end sections. I harvested a lot from my donor which helped.
Other than securing the loom every 30cm (though like you I have gone for 20cm to be safe) I have assumed the IVA would want to see it with some basic
protection. For some areas the protection would be the car itself, such as inside a door or behind the dash. Other areas such as inside a wheel arch
would need more protection.
So without knowing exactly how exposed your questioned section is in your car, I would say if you are happy it has some sort of protection fingers
crossed it should be fine. On the flip side, if it is accessible and doesn't have massive connectors on the end it would be a quick job to add
your suggested sleeving and a frustraiting thing to fail on.
The split conduit deals with not wanting to depin all the connectors, and tapes up easily enough. I have tried several different brands of electrical
tape and by far the best was from Jayar car parts (my local autofactors). Sticky and flexible, not something other tapes seem to be able to manage.
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adithorp
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| posted on 24/10/25 at 05:13 PM |
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Loom tape (or insulating tape) is sufficient (or indulating tape). Just don't leave more than a few cm of exposed wire. The advantage of split
conduit is it gives a bit more protection and the ease of getting the wires out should you need to in future. They don't like self adhesive
mounts but bonded on is OK.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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computid
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| posted on 26/10/25 at 06:23 PM |
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I don't use the split stuff, I make mine using the closed expanding type. I seal the ends with heatshrink. All wires have printed heatshrink
lables. It's easy to get the wires through once you get the hang of the stuff!
 
Description
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