Slimy38
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| posted on 4/10/24 at 06:55 AM |
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Shortening sensor wires
I'm tackling the last of the big jobs I have, the engine loom. It's an MX5 1.6 donor, nothing fancy like VVT etc. Most/all of the wires are
too long so I want to cut some length out of them. However, I know that some sensors can be very temperamental when their wires have been cut.
Problem is I'm just not sure which ones I'm better off leaving. Is there anything I should just leave alone? Or is it all fair game on an
MX5 loom?
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JAG
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| posted on 4/10/24 at 10:25 AM |
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Hello 
I have an MX-5 NA 1.6 (from a 1994 car) in my Locost and it has the Mazda Engine Wiring Harness with the Standard ECU and sensors etc...
I removed and shortened LOT's of wires in my Engine Harness. It all runs very well Thank You 
Justin
Who is this super hero? Sarge? ...No.
Rosemary, the telephone operator? ...No.
Penry, the mild-mannered janitor? ...Could be!
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gremlin1234
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| posted on 4/10/24 at 12:43 PM |
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shouldn't be a problem shortening them, but I would leave as is, and cable tie them out of the way for the moment. then tidy up after it it is
all running.
(all to often you find things that could be better routed if only they weren't so short...)
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gremlin1234
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| posted on 4/10/24 at 12:58 PM |
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quote:
Originally posted by gremlin1234
shouldn't be a problem shortening them, but I would leave as is, and cable tie them out of the way for the moment. then tidy up after it it is
all running.
(all to often you find things that could be better routed if only they weren't so short...)
to add, unless the wire looks manky, or the plug on the end needs replacing, in which case do it sooner rather than later.
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Slimy38
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| posted on 4/10/24 at 02:14 PM |
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quote:
Originally posted by JAGI removed and shortened LOT's of wires in my Engine Harness. It all runs very well Thank You
That's very reassuring, thank you.
quote:
Originally posted by gremlin1234
shouldn't be a problem shortening them, but I would leave as is, and cable tie them out of the way for the moment. then tidy up after it it is
all running.
(all to often you find things that could be better routed if only they weren't so short...)
Yeah at the moment I'm separating the main loom into 'back of engine' and 'front of engine', with just random insulation tape
to stop it falling into a birds nest. Once I have predictable lengths (and a running car!) I'll go back, shorten and loom tape everything.
So far the wiring hasn't looked too bad, there was one dubious join that looked to have some questionable substance in it but so far no major
issues. The lighting and dash looms have all been reterminated, I'm only keeping the standard plugs for the engine loom purely because it's
easier. And I'm reusing the fuse box too.
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