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Author: Subject: R1 5VY wiring
a4gom

posted on 23/4/09 at 02:06 PM Reply With Quote
R1 5VY wiring

Quick question, I'm best part through connecting the loom up and I have only found one thin wire which goes to earth. Surely there would have been some more earth wires on the bike? Connections to the battery, frame, engine??





Andy

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Davey D

posted on 23/4/09 at 02:50 PM Reply With Quote
There is normally a thick cable that goes from the engine to the battery






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a4gom

posted on 23/4/09 at 02:53 PM Reply With Quote
Do you know where it connects to the engine?

I have a thick black wire from the starter solenoid to the starter but like you say i would have thought there would be a earth strap from the engine to the battery or engine to frame.





Andy

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Davey D

posted on 23/4/09 at 02:58 PM Reply With Quote
Underneath the thermostat , on top of the gearbox there is an allen bolt that all the earths bolt to.






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a4gom

posted on 23/4/09 at 03:05 PM Reply With Quote
Thanks, all the earths? should I be looking for some more wires then?
I have one connector which has a couple of small wires to it and now I will be running an earth to the the allen bolt from the battery is that it?





Andy

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Davey D

posted on 23/4/09 at 03:11 PM Reply With Quote
Im in the garage tonight, so ill have a look at what ive got connected to it.. ive sure ive got about 3 wires connected to it?

is your engine running yet, or are just trying to get the wiring sorted to make it run?






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A1

posted on 23/4/09 at 05:38 PM Reply With Quote
i dont have any earths connected to the engine, i cant remember how many there were.
there is a thick wire going from the negative battery terminal to the starter motor.

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a4gom

posted on 23/4/09 at 06:06 PM Reply With Quote
That would be great. Engine isn't running yet, needs plumbing in but i want to get it running this weekend. Everything else is connected up, I have no errors on the clock when I turn the ignition on.
I pressed the starter button today and got a click from the starter relay but the starter didn't spin. I didn't have time to investigate further (sneaky long lunch ) but I'm sure this would be a good reason for it.

A1 Pretty sure the thick wire to the starter comes from the starter relay and is a +ve feed.





Andy

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A1

posted on 23/4/09 at 07:51 PM Reply With Quote
oh crap, sorry, yea, there is one on top of the starter, its a +ve connection, theres also one on the bolts that hold the starter on, its the earth return from the chassis.
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a4gom

posted on 23/4/09 at 08:23 PM Reply With Quote
pucka, i'll add a couple tomorrow.

have either of you done any mods to the engine in addition to the baffle plate?





Andy

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adithorp

posted on 23/4/09 at 09:12 PM Reply With Quote
What do you mean by thick wire? There's a thick wire that goes to the top of the gearbox from the loom. All the engine loom earths are spliced into this in the loom. Can't remember if there's anymore. Have you got a main earth CABLE between the battery -ve and the engine block?





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a4gom

posted on 23/4/09 at 11:27 PM Reply With Quote
I have found only one ring lug connector, I can't remember now if it has one or two thin-ish wires connected to it, I think this would probably connect to the bolt on the gearbox along with a thick wire from the battery but I have routed my loom differently and as a result i've connected it to the chassis under the scuttle. I'll connect a thick wire to the the engine fro both the battery and chassis tomorrow, hopefully that will have all bases covered.
Thanks for all your help.





Andy

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