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'48 8n cranks too much


 
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Dustmop
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Joined: 30 Aug 2007
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PostPosted: Thu Aug 30, 2007 1:35 pm    Post subject: '48 8n cranks too much Reply to specific post Reply with quote

I"m working on an 8n that sat under a tree for 2 yrs. Wires from + solenoid post were burnt so I replaced the individually. It cranked and cranked and cranked whenever I connected the battery ground. No matter what I did, it cranked. I"ve since replaced solenoid, resistor, key switch, all wiring, terminal block. All wiring matches 12v diagram. It has worked normally twice but as soon as I push the start button it cranks and I have to pull the battery cable. It cranks with the - solenoid wire pulled off. I put old solenoid back on and there's no difference between old and new.

Anyone got any ideas????????????
 
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Ken Crisman
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PostPosted: Thu Aug 30, 2007 2:27 pm    Post subject: Re: '48 8n cranks too much Reply to specific post Reply with quote

Did you check the safety starter button ? Sounds like it fried & is stuck closed .Are you certain you connected the battery cables correctly . It could also be a short in the starter & solinoid cercuit . I'm curious as to what you find so let me know please . Good luck & God bless, Ken
 
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Dustmop
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PostPosted: Thu Aug 30, 2007 3:37 pm    Post subject: Re: '48 8n cranks too much Reply to specific post Reply with quote

I've completely disconnected the wire from the starter push button. It still cranks. When I check with my meter between the push button lug and the gear case it's open then I push the button down and the circuit closes. I'm reasonably certain it's not the push button especially since it still cranks with the wire off. While I hold the ground cable down and let it crank, I can operate the push button and hear the solenoid clicking in and out. The battery is connected with positive to the solenoid and negative to the gear case like the 12v diagram shows.
I appreciate your thoughts..keep them coming..it's just a machine..designed to work when everything is right.
 
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OKDAD
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Joined: 05 Aug 2007
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Location: Oklahoma City

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PostPosted: Thu Aug 30, 2007 7:06 pm    Post subject: Re: '48 8n cranks too much Reply to specific post Reply with quote

Dustmop,
I will assume your starter/solenoid is like the one on my 49 8n. The solenoid is just a big relay and should be easy to test.

I suggest the following:
1. Remove the copper bar from the solenoid to the starter. Leave other connections connected.
2. Turn on the key and see if pressing the start switch causes the solenoid to click (close) and releasing it allows it to open.
3. If it does not release remove the control wire on the solenoid. If you hear it release there is a short somewhere in this wire to ground.
4. If it is still closed (you can check for 12v at the output post) then replace the solenoid. HTH

Ike
 
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souNdguy
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PostPosted: Thu Aug 30, 2007 7:56 pm    Post subject: Re: '48 8n cranks too much Reply to specific post Reply with quote

I'd hookup a test lamp to the 'starter' side of the solenoid, and then ground.. disconnect starter xfer bar.. see if the solenoid is shorted.

Are you using the correct OEm 3 terminal solenoid? just because it is the one on there when you got it don't make it the right one. That guy 'doofus' that chases dan hill around may have been the previous owner of your N..

Soundguy
 
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Dustmop
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PostPosted: Sat Sep 01, 2007 1:45 am    Post subject: Re: '48 8n cranks too much Reply to specific post Reply with quote

Thanks OKDAD. I did as you suggested and found the solenoid worked properly. I put the strap back on and EVERYTHING worked. Don't ask me. It's fixed. just started working right. Now I still don't know what the cause was or how to fix it again.....Gremlins.
 
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OKDAD
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PostPosted: Sat Sep 01, 2007 8:54 pm    Post subject: Re: '48 8n cranks too much Reply to specific post Reply with quote

No Gremlins with these machines....just character!
 
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