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Farmall & IHC Tractors Discussion Forum
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Farmall A No Start!

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plh_in

02-26-2007 04:33:13




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Just got my rebuilt starter back.... now, all I get is a clicking sound from the solenoid.... I assume thats my next thing to replace?? Could the solenoid have been damaged per the below history???

A little history: it originally failed to start & the cables would get very hot at which time the starter would turn very slowly... So, I replaced all cables w/ 0g & now have all good cables & battery. It was prev. changed over to a 12v system.

Thanks for any help! I'm thinking a solenoid as there not much else involved!

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Roger Mills

02-26-2007 07:49:35




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 Re: Farmall A No Start! in reply to plh_in, 02-26-2007 04:33:13  
What did the shop find with the starter? Is it the original 6v starter? It should spin hard and fast with 12v on it. You said the solenoid clicks so the ignition wireing is OK. Starter does not care about polarity-spins the same direction regardless. Use a jumper cable from the high post of the battery to the starter side of the solenoid-starter should crank like a bat out of ****. If so-Jay is right, the solenoid contacts are bad. If not-and no spark, check the ground of the battery AND the starter case!! Also make sure you get a 12v solenoid or you can melt the coil inside and that can jam the plunger, won't click even when wired right.

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JayWalt

02-26-2007 11:58:16




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 Re: Farmall A No Start! in reply to Roger Mills, 02-26-2007 07:49:35  
hmmm, not to hijack the thread, but im in the middle of a 12v conversion. Does the solenoid need to be changed to a 12v one? I kinda hope not or that means I have to spend more $$$
All the solenoids I got are laying around from gm starters and they have the bendix linkage built in and would look godaweful if I tried to cob one of those on the side of the starter. Dad might have a ford solenoid laying around.

I would imagine that the short duration to start the tractor would not hurt the solenoid, but sometimes these things can be tempermental about volatges, and I sure as heck dont wanna burn up the original, as I'd like to keep it If I have to replace it with a 12v one, so the next owner can convert back to 6v if they want.

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Janicholson

02-26-2007 20:08:42




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 Re: Farmall A No Start! in reply to JayWalt, 02-26-2007 11:58:16  
You might get by with a six volt solenoid for a whle, but it is sensitive to a greater extent than the starter. Ford early sixties solenoids are cheap. JimN



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JayWalt

02-28-2007 04:27:33




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 Re: Farmall A No Start! in reply to Janicholson, 02-26-2007 20:08:42  
thats what i figured =) Ford always had the better idea electrically with remote,ly mounted electrical solenoids, now the mechanal portion, I dont know, but it was always a heck of alot easier to change a bad solenoid on the firewall then tearing off the starter =)

I'll get price one, but first I'll look for one in the garage today

In other regards, I found about a case of 12v round headlights that fit perfect in the headlight housings =) Also found like 6 12v coils to pick from, so thats good =)

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JayWalt

02-26-2007 06:55:16




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 Re: Farmall A No Start! in reply to plh_in, 02-26-2007 04:33:13  
hook the pos of the battery to the frame of the solenoid (assuming the tractor is pos ground, pos battery terminal to the frame), then hook the neg to the smaller post. Then check the resistance between the 2 "fat" posts. Dont leave the solenoid engaged too long.



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plh_in

02-26-2007 07:26:46




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 Re: Farmall A No Start! in reply to JayWalt, 02-26-2007 06:55:16  
It is negative ground. It currently is connected as follows: 1) +12v from battery to one post on solenoid 2) 2nd post on solenoid goes to the starter 3) 3rd small post on solenoid goes to the key switch I believe...

So, do I connect the Neg from the battery to the frame of the solenoid & 12v (pos) from the batter to the small post on the solenoid (small post as I mention above that goes to the switch)

Thanks...I just want to be sure & not blow any part that may be good!

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El Toro

02-26-2007 05:33:07




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 Re: Farmall A No Start! in reply to plh_in, 02-26-2007 04:33:13  
Make sure all your new cable ends and connections are all nice and shiny. That includes the grounding area where your battery is grounded.
Paint and rust are good insulators. Can you hand crank the engine over freely? You can use a screwdriver and short across the terminals on the solenoid to see if the engine cranks. Make sure the tractor is out of gear and the brake set.

Did your repair shop check the starter after rebuiding it? Check the specific gravity in each of the cells on the battery with a hydrometer
they should read around 1.250 or better and each cell reading should be close to one another. Hal

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JayWalt

02-26-2007 05:30:31




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 Re: Farmall A No Start! in reply to plh_in, 02-26-2007 04:33:13  
if the starter went bad and pulled enough current to get the battery cables warm, or "hot" as you say, it is very likely that the solenoid contacts got burnt up. If you sent the solenoid with the starter, then I would think the shop would check the solenoid as well. If you didnt send the solenoid with it for rebuild, I would remove the solenoid, and hook it up to a 12v battery then check it with an ohm meter. anything above .5ohm I would replace it.

It is very likley that this is the problem. Double check all connections too. Did you jump the starter when u got it back to check to see if it turns over on the bench?

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plh_in

02-26-2007 05:58:17




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 Re: Farmall A No Start! in reply to JayWalt, 02-26-2007 05:30:31  
Of course I did not test the starter on the bench....that would have been to easy!

When chk'ing the solenoid, do I meas. the resistance between the two posts or ?

All the cables are brand new/clean...good connections etc. so I rule those options out...

Thanks for your clarification!!



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Janicholson

02-26-2007 09:31:21




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 Re: Farmall A No Start! in reply to plh_in, 02-26-2007 05:58:17  
The test is as follows.
With the solenoid in hand, connect the body of the solenoid (mount tabs) to the negative battery terminal with a jumper wire, or battery jumper cable. Connect the side of the solenoid that was connected to the battery + to the battery + with a wire, or jumper cable. Do not connect the starter end of the solenoid to anything. Get an ohm meter setup so it can be used between the two big terminals of the solenoid. Use a thin wire to energize the solenoid by connecting the bat + to the small S terminal of the solenoid. This will cause it to click loudly. Now measure between the two big terminals, There should be no resistance. The ohm meter should read zero, or less than .1 ohms. If it reads tens of ohms, it is bad. You can also test the resistance (momentarily) while actually trying to start it. The resistance should also be very low.
A starter draw gauge that is held against the heavy battery cables (cheap at the NAPA store) is a sure indicator of current to the starter.
What did they do to the starter? If they replaced the drive gear, and bushings, and brushes, then it should be OK. If it is jambed (Possible) put the tractor in High gear with the key off, and rock it back and forth violently. If the fan twitches, The starter is not jambed. If it was jambed, there will be a deep clicking as it comes out of being jambed. Good luck, JimN

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