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 Post subject: Fitting a RR51 Regulator/Rectifier to a 906 ?
PostPosted: Wed Sep 18, 2013 2:51 pm 
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Joined: Wed Jun 17, 2009 3:18 pm
Posts: 14
Location: North West of England
model: 906 Paso
year: 1991
I know that there is a huge amount of knowledge out there with all you members and hope that some of you can help me out with this problem that I have.

I have had charging problems and have bought a RR51 from ElectrexWorld but am confused as to how to connect it !!
I assume that my bike has an alternator with 3 output cables (diagram2)
BUT

The original unit has 2x Yellow wires, 2x Red wires, 1x White wire and 1x Black wire.
This connects into the loom by a block where both of the Yellow wires each become Pink;
the first Red becomes a Red with Black line AND an Orange with a Red line;
the second Red continues as a Red cable;
the White becomes a Blue;
and the Black becomes a Brown.

I am affraid that I am very confused about this.

I think that the 2 x Pink wires are from the alternator, together with the Red one?
The Brown appears to be from a fuse and assume that this is replaced by the new Red to the battery ?
The Blue, Red/Black and the Orange/Red appear to all lead to the instrument panel.

Can anyone give me advice on these and what should be connected to which wire.????

Grateful for any advice Guys.

:banghead:


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 Post subject: Re: Fitting a RR51 Regulator/Rectifier to a 906 ?
PostPosted: Wed Sep 18, 2013 3:47 pm 
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paso grand pooh-bah
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Joined: Tue Jul 29, 2008 9:50 pm
Posts: 3202
Location: Hilltown,Pennsylvania
model: 906 Paso
year: 1990
First thing you need to do is check your stator for shorts or opens with an ohmmeter

see this thread


http://forums.ducatipaso.org/viewtopic.php?f=3&t=3818&p=29463&hilit=stator+checks#p29463

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Last edited by higgy on Wed Sep 18, 2013 4:49 pm, edited 1 time in total.

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 Post subject: Re: Fitting a RR51 Regulator/Rectifier to a 906 ?
PostPosted: Wed Sep 18, 2013 3:50 pm 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5359
Location: southern Germany
model: 750 Paso
year: 1987
or the 906 FAQs

Quote:
Electrex to original wiring
yellow -> both pink (alternator)
yellow -> red (alternator)
white -> light blue (charging warning light)
red -> red/black & orange (battery +)
green -> black (battery -)
(the brown wire of the Paso wiring loom formely going to the regulator is not used any longer)

Note: If the measured voltage between the two yellow wires from the alternator (which are pink when they get to the regulator/rectifier) is between 50-100V you should wire the reg/rect as shown on the first picture of the instructions hence connect yellow 1 from the reg/rect to one yellow(pink) wire from the alternator and yellow 2 to the other. In this case the red wire from the alternator isn`t used and can be isolated. Install like this if the first wiring instructions don`t work. (To check simply connect a voltmeter to the battery. When the engine is started and the regulator/rectifier is connected correctly the voltage will increase i.e. from 12V to ca. 14V)

https://app.box.com/s/r16ixjegwfl7aq3ybd0c


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 Post subject: Re: Fitting a RR51 Regulator/Rectifier to a 906 ?
PostPosted: Wed Sep 18, 2013 5:16 pm 
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Joined: Wed Jun 17, 2009 3:18 pm
Posts: 14
Location: North West of England
model: 906 Paso
year: 1991
Thank you very much.

This is just the information that I need.

I assume that the Red/Black and the Orange wires are replaced by the RR51 Red and Green being connected directly to the battery terminals and can therefore be taped up or removed/disconnected?

:thumbup:


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