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 Post subject: Rewire issues on 89 900 ss
PostPosted: Sun Apr 15, 2018 9:12 am 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
Got some confusion with befitting my main harness, firstly with solenoid and starter motor , should I have a cable between the two , also the small black single cable coming from digiplex unit is just a earth to frame, any help appreciated


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Sun Apr 15, 2018 9:17 am 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Sun Apr 15, 2018 9:19 am 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Sun Apr 15, 2018 11:34 am 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
As soon as I sent that I realised how dumb it was then I found a lone cable hangin in the shadows


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Sun Apr 15, 2018 1:15 pm 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
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I think it's right now , in the 2nd pic I'm about to send does the earth from digiplex carry onto engine as I have shown , 1st pic is solenoid wiring now


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Sun Apr 15, 2018 1:22 pm 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Sun Apr 15, 2018 1:24 pm 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
Or does it just stop at the frame


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Sun Apr 15, 2018 4:30 pm 
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paso grand pooh-bah

Joined: Thu Jun 21, 2007 12:00 am
Posts: 1426
Location: Gothenburg, SWEDEN
model: 907 I.E.
year: 1991
Positive from battery - solenoid - starter.

Image

_________________
Gert

907 I.E. -91
M900 -97


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Mon Apr 16, 2018 9:54 am 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
Thanks Gert that all makes sense , in this next pic does the battery setup look right , electrical obviously not a strong point of mine, the next biggie for me will be connecting the regulator correctly , your help much appreciated


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Mon Apr 16, 2018 9:57 am 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Mon Apr 16, 2018 10:06 am 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
The earth strap going to the rear of the engine looks all wrong but was like that when I got the bike , the thread on the case looks to be for an adjustable cable ?


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Mon Apr 16, 2018 1:30 pm 
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paso grand pooh-bah
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Joined: Sun Jul 18, 2004 12:00 am
Posts: 5164
Location: southern Germany
model: 750 Paso
year: 1987
I know it's painful on a new bike but the paint should be removed where the ground cables are installed.


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Mon Apr 16, 2018 2:48 pm 
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Joined: Sun Dec 31, 2017 8:35 am
Posts: 4
Location: Germany
model: 900 SS
year: 1990
HIGHWAY89 wrote:
The earth strap going to the rear of the engine looks all wrong but was like that when I got the bike , the thread on the case looks to be for an adjustable cable ?


Hi,

your set up is the way Ducati did it.
The M8 thread is for engine earth, no other purpose
So everything the right way.

But it turned out, that going that original way with two short earth cables to the frame (one from the battery and the back one) was not ideal.
It could build up top much resistance especially for the starting circuit.
So having a longer earth cable direct from the battery - to the thread on the case makes a difference.
I think Ducati made it that way with their later models.


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Tue Apr 17, 2018 10:50 am 
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Joined: Sat Jul 16, 2016 6:35 am
Posts: 218
Location: Australia
model: 900 SS
year: 1989
Thanks Matt I will make a new cable ( same size?) Thanks Paso 750 I'm definitely holding off on the vandalism for the earths


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 Post subject: Re: Rewire issues on 89 900 ss
PostPosted: Wed Apr 18, 2018 4:45 am 
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Joined: Sun Dec 31, 2017 8:35 am
Posts: 4
Location: Germany
model: 900 SS
year: 1990
Yes, same size cable at least.
On mine I have a Motolectric cable kit.
Maybe you like to read through their blog on that topic:
http://motolectric.com/products/hicap.detail.html


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