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Old 23rd October 2020, 17:21   #1
SKS Disco
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Default No reversing lights.. sometimes

Here is one I have not come across before.
My ZTT 190 sometimes has no reversing lights. Only happens when it has been sitting for a few days especially at this time of year. Cold/rainy etc
Drive it a few miles and they magically start working again !

reversing switch connections or switch itself ?
anyone come across this before?
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Old 23rd October 2020, 17:44   #2
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A---The switch.

B--- Half the members of the forum.---
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Old 23rd October 2020, 17:59   #3
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Quote:
Originally Posted by COLVERT View Post
A---The switch.

B--- Half the members of the forum.---
Well blow me down. New switch it is then !
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Old 23rd October 2020, 18:09   #4
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Funny you should mention it, here's mine ready to fit when I can be bothered
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Old 23rd October 2020, 20:57   #5
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Had the same problem on mine, and the reverse sensors stopped working as well

If you have a lathe, carefully take 50 thou of the mounting face of the switch, so it'll tighten in slightly further. Mine's worked perfectly again ever since without the expense of a new switch
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Old 23rd October 2020, 21:06   #6
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Originally Posted by Sonic ZS View Post
Had the same problem on mine, and the reverse sensors stopped working as well

If you have a lathe, carefully take 50 thou of the mounting face of the switch, so it'll tighten in slightly further. Mine's worked perfectly again ever since without the expense of a new switch
Thanks for that. I do have a lathe but unfortunately,, it is a wood lathe !
50 thou might be interesting !
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Old 23rd October 2020, 22:27   #7
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Quote:
Originally Posted by Sonic ZS View Post
Had the same problem on mine, and the reverse sensors stopped working as well

If you have a lathe, carefully take 50 thou of the mounting face of the switch, so it'll tighten in slightly further. Mine's worked perfectly again ever since without the expense of a new switch
Perhaps a thinner sealing washer ??---
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Old 24th October 2020, 07:00   #8
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Check out Greeners guide in the How To section.

It’s an easy job but the electrical connector was a pig to work out without his photo as I recall.
You’ll need a long (pretty sure 19mm) socket.

I ‘repaired’ mine with a blob of solder on the end of the plunger (French Mike tip) but it didn’t last long.
For the low cost of a replacement I’d say just buy a new one.

SKS - I guess it’s just worn out of tolerance to the point where, when warm, it expands enough to work but not when cold.

Colvert - I was surprised to find there wasn’t a sealing washer on the one I took off. I almost posted a question about it here at the time. I fitted the new one without it- ‘seems’ ok.
Anyone else found this to be the case?

A

Last edited by alan richard; 24th October 2020 at 07:20.. Reason: Seal question
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Old 24th October 2020, 12:23   #9
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I would imagine you could file off 50 thou on the nut so it fits in further.



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