Davegtst
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| posted on 10/5/11 at 09:41 AM |
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BEC starter motor reverse wiring
How has everyone with an electric reverse wired it up? I have just put in the main cable direct from the battery but there is no fuse inline due to
it having to be massive and could blow if you touched a kerb etc. Does anyone use fuses at all for this circuit? The other problem is how do you
make it so the starter only works when in neutral? I've tried tapping into the neutral light on my Hayabusa but no joy.
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jossey
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| posted on 10/5/11 at 10:01 AM |
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you will need a fuse inline to stop any chance of ruining the battery if you have a starter motor fault. although i guess you can place the fuse under
the dash.
i read about someone using the neutral light switch to activate the live for the starter and using a ignition starter switch to activate the starter
so it reverses.
hope that helps.
Kind Regards
David Johnson
Network Security Consultant
Sec-1 Ltd
T: 0113 2248094
F: 0113 2579718
www.sec-1.com
Thanks
David Johnson
Building my tiger avon slowly but surely.
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40inches
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| posted on 10/5/11 at 10:45 AM |
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I fitted a 150amp mega fuse, which was OK during testing, until I left the handbrake on, Doh! and it blew after about 30 seconds.
I have a 250amp in now.
As a side note, the starter motor still turned the back wheels even with the handbrake on hard 
 
Mega Fuse (now 250amp)
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YQUSTA
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| posted on 10/5/11 at 11:08 AM |
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To use the neutral light I would tap from it to a relay which switches the main feed to the reverse motor that way you should be safe.
"If in doubt flat out"
Colin McRae
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ReMan
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| posted on 10/5/11 at 11:16 AM |
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Use the neutral switch. These usually switch to ground to operate a relay which powres the reverse moter solenoid may need a couple of diodes to
prevent problems
www.plusnine.co.uk
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Davegtst
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| posted on 10/5/11 at 09:24 PM |
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Thanks for the replys i'll get a 250 amp fuse and holder on order then. I've tried to wire in a relay for the neutral light but i
can't get it to throw the relay. I'll have another go tomorrow, has anyone done it on a hayabusa?
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MakeEverything
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| posted on 10/5/11 at 09:29 PM |
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quote:
Originally posted by Davegtst
Thanks for the replys i'll get a 250 amp fuse and holder on order then. I've tried to wire in a relay for the neutral light but i
can't get it to throw the relay. I'll have another go tomorrow, has anyone done it on a hayabusa?
Do you know a decent mechanic thats any good at wiring? You seem like a right dipshit.
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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Davegtst
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| posted on 11/5/11 at 12:18 PM |
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Who rattled your cage? No call for that sort of rudeness. Where's the admin when you need them?
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MakeEverything
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| posted on 11/5/11 at 05:55 PM |
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quote:
Originally posted by Davegtst
Who rattled your cage? No call for that sort of rudeness. Where's the admin when you need them?
PMSL, its called Vengeance! 
ETA: (And for everyone else, Joking)
[Edited on 11-5-11 by MakeEverything]
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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Davegtst
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| posted on 12/5/11 at 03:47 PM |
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All sorted now. I used the neutral light wiring to switch a relay, now it won't crank the engine or reverse unless it's in neutral. Next
question is. Is it acceptable at the IVA to have the reverse light only coming on when you are reversing?
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40inches
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| posted on 12/5/11 at 05:59 PM |
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Err! yes! If it comes on when you are NOT reversing, that would be a fail.
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adithorp
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| posted on 12/5/11 at 06:21 PM |
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I think he means it only comes on when the switch is pressed and the car is actually moving backwards; Unlike a traditional reverse light that comes
on when you select reverse but the car is still stationary (clutch in).
I think the answer is yes, but I'd wait for comment from someone who's gone through IVA that way.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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Davegtst
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| posted on 12/5/11 at 06:29 PM |
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Yep that's what i mean Adithorp.
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Johneturbo
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| posted on 12/5/11 at 06:33 PM |
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i would imagine you'd need it to come on when reverse is engaged/selected
can the reverse light be wired into a swich that you select for reverse?
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40inches
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| posted on 12/5/11 at 07:43 PM |
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quote:
Originally posted by Johneturbo
i would imagine you'd need it to come on when reverse is engaged/selected
can the reverse light be wired into a swich that you select for reverse?
That's what I have done, a switch activates the reverse circuit and reverse lamp before the reverse is switched.
 
[Edited on 12-5-11 by 40inches]
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Davegtst
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| posted on 12/5/11 at 11:15 PM |
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I was going to do the same thing but didn't really want to have to switch it off again after. I guess the activation switch and warning light
is the best idea.
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