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Harry Ferguson Tractors Discussion Forum
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TEA20 eletrical question

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Brian in WA

08-29-2004 13:45:07




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I have a TEA 20 that ran good. Sat for a year and now it will not start. No spark at the coil wire. I have replaced both the coil and the coil wire and still no spark. The tractor has been converted to a key ignition and has a ceramic resistor block block between the statrer switch and the coil. Any thoughts on what I should look at?




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Barry from Stirling

09-16-2004 12:14:32




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 Re: TEA20 eletrical question in reply to Brian in WA, 08-29-2004 13:45:07  
Afternoon Brian
Im just going back thru a bunch of old posts and found this one really interesting. That cts guy, he makes some good points as well as John from the UK. Personally I have never had a problem with my 1952 TEA-20 and the Lucas system what so ever. I here cts is in the tractor restoration business now( heard that from a close personal friend of mine ) I just hope he reads the manuals,, eh Steve????? ????? ?????

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cts

08-31-2004 09:07:08




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 Re: TEA20 eletrical question in reply to Brian in WA, 08-29-2004 13:45:07  
Guys....Guys your thinly vailed shots are weak.
As a matter of reference I have restored everthing from MG's Triumph's Jag's a Morgan +8 and yes a Ferguson 2085 TEA. With all due respect to those great automobiles and the wonderfull Ferguson tractors, Lucas didn't do any of them justice. As Jim says the Lucas system needs attention, he's right constant attention. Sorry if I offended you John. But,on a more constructive note there is a great source for 2085 TEA stuff up here in Ontario.
Its Lynnville Farm Equip. in Paris Ontario.
The guy's name is Joe and his phone # is 905-443-7591 He has a complete selection of new and used parts at decent prices and he is very good with adivce. He's not on the net.

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John (UK)

08-31-2004 10:38:56




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 Re: TEA20 eletrical question in reply to cts, 08-31-2004 09:07:08  
Nah you didnt offend me, I just don"t get all this about Lucas in USA, maybe its a case of promoting your own Delco stuff....over here if anyone had mentioned Delco when this tractor was produced they would have looked at you as though you were mad, Delco did not have a good name over here and it was usually replaced by Lucas, so maybe its a case of promote your own.Just telling it as WE found it.

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cts

08-30-2004 07:25:58




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 Re: TEA20 eletrical question in reply to Brian in WA, 08-29-2004 13:45:07  
I have a TEA20-85, and as long as you have Lord Lucas (the Prince of Darkness) on board you will be plagued with electrical problems. Just when you think she"s running good bang its gone again. Keep at least 3 sets of point around at all times.The ones I have been getting don"t seem to last. Conventional thinking with a normal ACdelco system does not apply. I have a nice 52 TEA 2085 for sale with a full hydralic loader. restored to working condition. Its always good to have two.

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John (UK)

08-30-2004 10:56:39




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 Re: TEA20 eletrical question in reply to cts, 08-30-2004 07:25:58  
All this about Lucas being no good and Delco being the best isnt really correct. All our Tractors made in UK had Lucas and they give no more trouble than any other, Regarding the points problem it will be a condensor that is giving the problem and if you have changed it its probably the wrong one so you will still have the problem. Lord of Darkness..yeah I saw that site too, wasn"t very original.

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Jim W

08-30-2004 14:48:50




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 Re: TEA20 eletrical question in reply to John (UK), 08-30-2004 10:56:39  
The biggest problem with Lucas seems to be that people don't take care of the connectors. The actual components have always been good for me, although in recent times I have heard of bad batches of condensers, but then, they aren't made by Lucas anymore anyway.
There are Lucas electrics on airplanes....
Jim



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John (UK)

08-30-2004 16:09:02




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 Re: TEA20 eletrical question in reply to Jim W, 08-30-2004 14:48:50  
Quite correct Jim, but as you will know from experience I am sure, that people always blame everything but themselves when things go wrong.Plus they do say a little knowledge can be dangerous and we all know about that dont we.lol



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Jim W

08-31-2004 12:40:33




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 Re: TEA20 eletrical question in reply to John (UK), 08-30-2004 16:09:02  
I have very little knowledge, so I guess I must be very dangerous!



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John (UK)

09-01-2004 10:17:20




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 Re: TEA20 eletrical question in reply to Jim W, 08-31-2004 12:40:33  
HAHAHA...Now I know that is wrong Jim, I read your posts.....Having said that there are times when it is a good thing to say you have very little knowledge, it can save you an awful lot of trouble.



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Jerry/MT

08-29-2004 20:15:14




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 Re: TEA20 eletrical question in reply to Brian in WA, 08-29-2004 13:45:07  
Does this tractor have a 12V electrical system (i.e. an alternator instead of a 6 V generator)? Cuz if it's 6 v, it doesn't need the resistor. Have you checked the points to see if they are corroded? If they sit around, especially in damp climates, it's not uncommon to have fouled points. Check for continuity in the ignition primary circuit also. It could be a loose or a dirty connection. Hope this helps.

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Jim W

08-29-2004 14:24:00




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 Re: TEA20 eletrical question in reply to Brian in WA, 08-29-2004 13:45:07  
Check for 12 volts at the non-coil side of the resistor. If you don't have it, it's probably the switch.
If this seems to be the case hook a wire from battery directly to resistor, and see if you now have spark. If so, it's definitely the switch.
If not, try hooking the wire from the battery to the coil. If you then have spark, it's the resistor. Don't run it this way for too long or after a while you may burn out the coil.
Jim

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Brian in WA

08-29-2004 22:02:28




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 Re: TEA20 eletrical question in reply to Jim W, 08-29-2004 14:24:00  
Thanks for your help. I'll try what you suggest and let you know what happens. It's a 12 volt system and has never given any problems until now. Thanks again, Brian



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