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AmcG
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Post subject: Electrical gremlins Posted: Sat Sep 14, 2019 12:22 pm |
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Joined: Wed Oct 31, 2018 8:17 pm Posts: 24 Location: UK
model: 750 Paso
year: 1985
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Hi
Looking under the seat today I can see that three electrical connectors have overheated to the point of melting. I think they are wires from the regulator rectifier... any idea what might be causing this?
I am not knowledgeable about motorcycle electrics ... so keep it simple please!
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Derek
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Post subject: Re: Electrical gremlins Posted: Sun Sep 15, 2019 9:08 am |
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paso grand pooh-bah |
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Joined: Thu Nov 03, 2011 10:13 am Posts: 682 Location: Scotland
model: 907 I.E.
year: 1994
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The regulator wire carry quite a high current and oxidation of the connector surfaces will create resistance which in turn generates heat which will encourage more oxidation making the situation worse with the result that the connectors eventually burn out, the insulation melts or the resistance gets so high that no current flows. You potentially risk a fire and most certainly a non-charging battery. Replace all the connectors on both sides of the junction with good quality items that are more than up to the electrical current requirement. Also replace any damaged wiring, again using suitably heavy duty wire.
_________________ 1994 907ie 2017 Supersport 939 2015 Scrambler Classic 1982 Pantah 500SL
Scotland
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AmcG
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Post subject: Re: Electrical gremlins Posted: Sun Sep 15, 2019 9:47 am |
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Joined: Wed Oct 31, 2018 8:17 pm Posts: 24 Location: UK
model: 750 Paso
year: 1985
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Thanks Derek
That is very helpful.
Anyone able to suggest a good quality connector and supplier in the UK?
This forum is super helpful... thanks Pasoists
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AmcG
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Post subject: Re: Electrical gremlins Posted: Mon Sep 16, 2019 10:04 am |
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Joined: Wed Oct 31, 2018 8:17 pm Posts: 24 Location: UK
model: 750 Paso
year: 1985
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Hi
Thanks for the links.
Replaced the melted connectors and it looked like one was broken but just touching.
Bike now not charging... so I need to try and work through that.
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AmcG
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Post subject: Re: Electrical gremlins Posted: Sun Sep 22, 2019 2:38 pm |
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Joined: Wed Oct 31, 2018 8:17 pm Posts: 24 Location: UK
model: 750 Paso
year: 1985
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Ok... so I just want a basic charging circuit. I have bought a generic 5 wire reg/rec and connected the two yellow and red wire from the stator, linked the live and wired the ground to the battery. I have charge.
Is this ok to do? Will I combust?
Thanks in advance...
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