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tomslik Regular
Joined: 06 Feb 2006 Posts: 32
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Posted: Sat Feb 20, 2021 2:16 pm Post subject: 12V conversion starter question |
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ok, if i do the 12v conversion, with negative ground (not positive), will the starter turn correctly? |
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Mike Groom Long Time User
Joined: 07 Mar 2008 Posts: 1414
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Posted: Sat Feb 20, 2021 2:50 pm Post subject: Re: 12V conversion starter question |
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Yes |
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tomslik Regular
Joined: 06 Feb 2006 Posts: 32
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Posted: Sat Feb 20, 2021 3:08 pm Post subject: Re: 12V conversion starter question |
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thanks, i now know. kind of a stupid question but as i've never had to do it on a positive ground deal, i though i'd better ask before i hosed up a starter drive |
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Bruce(OR) Tractor Guru
Joined: 10 Apr 2007 Posts: 3570
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Posted: Sat Feb 20, 2021 10:38 pm Post subject: Re: 12V conversion starter question |
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If you want the engine to run backwards, rewire the starter to reverse rotation when engaged and change the cam.
Engine will then run backwards.
Good on Marine applications with twin engines. |
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phil(va) Tractor Expert
Joined: 11 May 2001 Posts: 2413
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Posted: Mon Feb 22, 2021 1:38 pm Post subject: Re: 12V conversion starter question |
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Starter doesn't care about polarity. But don't forget your lights. They care about amount of volts. |
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tomslik Regular
Joined: 06 Feb 2006 Posts: 32
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Posted: Mon Feb 22, 2021 2:03 pm Post subject: Re: 12V conversion starter question |
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lights are one of the reasons to do this  |
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Tom H. Long Time User
Joined: 24 Feb 2008 Posts: 984
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Posted: Mon Feb 22, 2021 8:06 pm Post subject: Re: 12V conversion starter question |
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Never worry about a stupid question here. Always safer to ask than wreck something |
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wore out Tractor Expert
Joined: 01 Oct 2019 Posts: 1958
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Posted: Mon Feb 22, 2021 8:30 pm Post subject: Re: 12V conversion starter question |
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CVPost-Bruce(OR) wrote: | (quoted from post at 23:38:11 02/20/21) If you want the engine to run backwards, rewire the starter to reverse rotation when engaged and change the cam.
Engine will then run backwards.
Good on Marine applications with twin engines. |
" rewire the starter to reverse rotation when engaged and change the cam.
Engine will then run backwards. "
NO, it won't, starter drive will simply "overrun" and won't engage or crank the engine. |
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