Need help wiring points on a 77 140

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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Boss Hog
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Re: Need help wiring points on a 77 140

Postby Boss Hog » Tue Jan 08, 2013 7:58 pm

Jim Becker wrote:Still looks to me like the wires on 1 and 2 are backwards. Thinking just very briefly about the expected effect of that. I think it would charge normally (or very close) but probably cause a battery drain whenever it isn't running. Has the battery been staying charged?

The wires on the back of the Alt. are correct.
The 77 140 is wired just like a 77 cub.
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David C
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Re: Need help wiring points on a 77 140

Postby David C » Wed Jan 09, 2013 8:21 am

I may be old but I got to see all the cool bands

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Re: Need help wiring points on a 77 140

Postby Eugene » Wed Jan 09, 2013 12:33 pm

Looking for a wiring diagram for any IH tractor using the #2 terminal on a Delco alternator connected to a resistor or a diode. Make that any wiring diagram on any make tractor, vehicle, etc.. Spent several hours researching my library, on the internet. Found numerous references using the #1 terminal with either a diode or a resistor/lamp, but none on the #2 terminal. Number 2 terminal is a feed from the battery.

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