wiring diagram

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wiring diagram

Postby billy clay » Fri Dec 10, 2010 6:08 pm

anyone have a diagram for the newer key start tractors there is a starter solinod under the floor pan and a wire is not hooked up , when you turn the key the solinod clicks but nothing happens
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Re: wiring diagram

Postby Bigdog » Fri Dec 10, 2010 6:22 pm

Billy - is the wire that is not hooked up a heavy cable? If you take a fairly heavy piece of wire and jumper across the two large terminals on the solenoid the starter should operate. (Make sure you are in neutral)
It is quite possible that the solenoid contacts are burned - it is a common failure. Since the solenoid clicks it sounds like the control part is working. If you do the test above and the starter turns the engine over replace the solenoid you should have one lighter gauge wire to the control terminal (small terminal) and the battery cable connected to one heavy terminal and the cable to the starter motor on the other heavy terminal.
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Re: wiring diagram

Postby Rudi » Fri Dec 10, 2010 6:24 pm

billy:

I see BD beat me to it as I looked up the latest edition of the TC-37F Parts Catalog that I have on the server -- the TC-37F Revision 6 (08-79) - Group 8 - Electrical. Hope this helps.

Image

the parts listing is here on Page 39
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Re: wiring diagram

Postby billy clay » Fri Dec 10, 2010 6:37 pm

thanks for the info, it is a small gauge wire and looks like the neutral switch has been bypassed with get better look in the daylight tomorrow
1973 cub
1957 cub fasthitch
1967 cub fasthitch
1970 cub fasthitch
woods rm42
194 plow
fasthich disc
twindraulic loader
woods 42 rear fasthitch mower
CULTIVATORS
billy clay
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1954 john deere 40
1967 cub fasthitch
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1973 cub

Re: wiring diagram

Postby Pathfinder » Fri Dec 10, 2010 7:17 pm

Any one have a diagram for '49 cub with a 12v alternator. Zena's coming back this week from a complete engine overhaul and would like to neaten up the wiring on her.
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Re: wiring diagram

Postby Don McCombs » Fri Dec 10, 2010 7:38 pm

Pathfinder, this thread may be helpful...

viewtopic.php?f=1&t=57524&p=473972#p473972
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Re: wiring diagram

Postby Rudi » Fri Dec 10, 2010 7:43 pm

Billy:

Actually whilst looking on the server I found a copy of Bob Melville's schematics. This is for the later key type with solenoid.

Image

Pathfinder:

This is a copy of Bob Melville's Schematic for a 12 Volt GM 10SI Conversion For on a Super M - it would be similar.

Image

The wiring for your specific alternator may be different if it is not a 10SI
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Re: wiring diagram

Postby Bigdog » Fri Dec 10, 2010 8:13 pm

billy clay wrote:thanks for the info, it is a small gauge wire and looks like the neutral switch has been bypassed with get better look in the daylight tomorrow

Billy - bypassing the neutral switch is a common practice. Not a good one but a common one nonetheless.
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Re: wiring diagram

Postby billy clay » Fri Dec 10, 2010 8:50 pm

solinoid is fine starter is bad pulled it apart and everything inside is rusted badly , took starter off my 1970 and put it on now she cranks over now need to track down no spark issue in morning
1973 cub
1957 cub fasthitch
1967 cub fasthitch
1970 cub fasthitch
woods rm42
194 plow
fasthich disc
twindraulic loader
woods 42 rear fasthitch mower
CULTIVATORS
billy clay
5+ Years
5+ Years
 
Posts: 1085
Joined: Thu Jun 12, 2008 8:24 pm
Location: souther md
Zip Code: 20657
Tractors Owned: 1962 farmall 460 d
1978 cub fasthitch
1957 cub fasthitch
1970 cub fasthitch
1954 john deere 40
1967 cub fasthitch
1954 john deere 60
1973 cub

Re: wiring diagram

Postby Bigdog » Fri Dec 10, 2010 8:53 pm

Suggest you start with cleaning the points. Probably glazed over or pitted.
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.

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