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Subject: Alternator replacement

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Roger    Posted 08-06-2017 at 08:19:36 [URL] [DELETE]        [Reply] [No Email]  
  • Alternator replacement
  • I have an 49' 8n with a 12V conversion. The alternator just went bad (had it tested). It's was a single wire conversion. My question is, I have a two wire plug type alternator off a parts tractor that is good. Is it possible to wire that one in with the old one-wire harness? If so, how?

    JMOR    Posted 08-07-2017 at 12:01:39 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Alternator replacement
  • You can also make the regular Delco 10-SI into a one-wire by installing a one-wire regulator in it. ....but I guess everyone knows that?

    Tim Daley(MI)    Posted 08-07-2017 at 14:48:15 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Alternator replacement
  • Just for sake of argument because I've read both sides of the story, but when one does a 12 volt convulsion, should they replace the ammeter with a voltmeter? Seems you would still want to see amps being charged. Anything wrong with wiring both an ammeter and a voltmeter?

    Tim Daley(MI)

    JMOR    Posted 08-07-2017 at 15:51:36 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Alternator replacement
  • Some like one, some the other. Both would at times be useful, whether generator or alternator.

    Jack - Iowa    Posted 08-11-2017 at 20:13:19 [URL] [DELETE]        [Reply] [Email]  
  • Re: Alternator replacement
  • JMOR,

    Would you please email me. Have a question which only you can answer.

    Thanks,

    Jack

    Rustyal    Posted 08-06-2017 at 11:54:12 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Alternator replacement
  • I've had bad luck with one wire. Also the lamp a big help. I mounted a trailer side marker just by the ignition switch. Now when the light goes out it's charging. Not to say the one wires are bad.

    Bob in KS    Posted 08-06-2017 at 08:30:02 [URL] [DELETE]        [Reply] [Email]  
  • Re: Alternator replacement
  • Yes. With plug at top of alternator for reference, loop the #2 (right side) pin down to the output stud.

    Connect the #1 pin through a diode, resistor or lamp to the output of ignition switch.
    Device in the line is to prevent the engine from continuing to run when switch is turned off.

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