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 Post subject: Blowing Fuses
PostPosted: 19 Mar 2019 12:17 
Hi Guys
I have an 56plt Ulysses and every time I turn ignition key on it blows the 30amp fuse. I realise I have a short somewhere and have done the visual checks. No obvious earths I can see. Is there anyone with experience of this or anything I should specifically be checking out ?

Cheers Des.


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 Post subject: Re: Blowing Fuses
PostPosted: 19 Mar 2019 14:38 
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Joined: 05 May 2009 20:00
Posts: 10850
Current ride: X1 2001
Location: southampton
:shock: if your blowing a 30amp fuse
you have a dead short, check cables around the headstock
it should be an obvious burn mark pulling that amount of current
I would seriously be looking & smelling for burning .

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 Post subject: Re: Blowing Fuses
PostPosted: 19 Mar 2019 18:14 
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Joined: 07 Nov 2011 18:10
Posts: 4041
Current ride: Buell ulysses
Location: Telford
:maz: :idea:

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Buell Ulysses XB12X 06/08


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 Post subject: Re: Blowing Fuses
PostPosted: 20 Mar 2019 06:04 
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proff. patpending
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Joined: 06 May 2009 20:20
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Current ride: Victoria Sponge
Location: Bristol - Gateway to all things good
My money is on the headstock but I'd start disconnecting stuff to see if it is a fault with a part or a short with the harness.

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 Post subject: Re: Blowing Fuses
PostPosted: 22 Mar 2019 01:03 
Thanks Fellas, I checked all in the headstock n no signs of burning scorch marks or loose wires etc. But gave the cables the once over and found that if I disconnected the Red and Black wires from the Regulator Rectifier ( no Blown Fuses )! The Yellows AC to the Alternator didn't affect. I didn't know the Regulator Rectifier was part of the ignition process, I thought its job was just to feed the Battery with direct current.
I did the diode test on the multimeter and sure enough it failed. I wouldn't mind but it's not a year old. I replaced it last April.
So I have another question. How do I know it's not fault causing the Reg' Rec' to fail rather than the Reg' Rec' being the fault? After all I don't want to spend another £133 on a knew one and get the same result.
Cheers Des.


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 Post subject: Re: Blowing Fuses
PostPosted: 22 Mar 2019 02:21 
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Joined: 05 May 2009 20:00
Posts: 10850
Current ride: X1 2001
Location: southampton
77 connector maybe...

viewtopic.php?f=17&t=146 :here:

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