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Tachometer Hookup on Ford 3000

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Stretch_03

01-01-2004 22:42:18

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Can anyone tell me where the tachometer hooks up on the engine of a 1970 Ford 3000?

On my tractor, the previous owner had unhooked the tach cable from the engine, covered the end (I guess to keep dirt out of the little gear in there), and taped it up under the hood on the left side. Now I can't see anywhere where it might go. It's still connected to the tach behind the instrument panel though.

Thanks

Picture of Tractor

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Jim Cox SW Missouri

01-07-2004 13:15:17

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Re: Tachometer Hookup on Ford 3000 in reply to Stretch_03, 01-01-2004 22:42:18

if the exhaust manifold is not directly behind the alternator or generator (if the generator has a horizontal tach cable straight out, and not a 90 degree connection) there is a soloution. CNH offers an alternator conversion kit 87406904 that will drive the tach and provide 50A of juice, and the alt works great at low RPMs too. could you / would you send me a pic of the tractor's alternator or generator?

thanks
Jim Cox
Rebuilder Guy

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Stretch_03 to Jim Cox

01-07-2004 18:38:22

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Re: Re: Tachometer Hookup on Ford 3000 in reply to Jim Cox SW Missouri, 01-07-2004 13:15:17

Jim,
I could send a picture, but there are two problems. 1) In order to lift the hood and get a good view of the alt/exhaust manifold, I have to remove the muffler again; 2) You didn;t leave your email address.

My tractor has been converted from generator to alternator by a previous owner. The exhaust manifold IS directly rearward of the alternator, and is for a vertical muffler. The tach cable has a 90 degree hookup on the end, so I assume that's the way it hooked up to the generator at one time.

I am interested in the kit. Please email me with whatever information you can provide. If you absolutely must have a picture, let me know and I'll remove the muffler and get a couple of photos.

Thanks

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Gary-Gulf Coast MS

01-02-2004 07:51:00

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Re: Tachometer Hookup on Ford 3000 in reply to Stretch_03, 01-01-2004 22:42:18

Tisco used to sell an alternator that had the tach hookup but don't know if they still do. If you need a tach and still keep the alternator, try to find a 3600 setup.
Gary

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hay

01-02-2004 05:05:02

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Re: Tachometer Hookup on Ford 3000 in reply to Stretch_03, 01-01-2004 22:42:18

stretch, the hookup is on the back of the generator. my 1973 ford 4000 diesel WAS hooked up like that, but i have an alternator now and no connection is possible that i know of.

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hvw

01-02-2004 04:43:42

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Re: Tachometer Hookup on Ford 3000 in reply to Stretch_03, 01-01-2004 22:42:18

Stretch, to use the original guages, etc your tractor would have to have a generator, not an alternator, and you need the tach cable connector that bolts on the generator. I posted this because a good many people have replaced the generator with an alternator over the years which is considered more reliable. The trade off though is that the original guage won't work with the alternator setup.

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Gary H.

01-02-2004 03:56:07

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Re: Tachometer Hookup on Ford 3000 in reply to Stretch_03, 01-01-2004 22:42:18

Tach drive is on the back of the generator.

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Stretch_03

01-02-2004 13:20:57

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Re: Re: Tachometer Hookup on Ford 3000 in reply to Gary H., 01-02-2004 03:56:07

Thanks for the replies. Mine does have an alternator, so I guess using the proofmeter is out.

Is there a way I can buy an aftermarket tachometer and hook it up somehow?

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Dan

01-02-2004 17:18:57

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Re: Re: Re: Tachometer Hookup on Ford 3000 in reply to Stretch_03, 01-02-2004 13:20:57

Yes, just get a electric tach from any automotive supplier and hook it up following the instructions that will come with the tach. The only difference will be is that the automotive tach won't have the different gear and pto speeds labeled on them, but the good thing is that the tach should last longer and should be available fairly cheap if you shop around. Most electric tachs just get hooked to a power source and your coil..... ..real simple. I guess I should say that it would not be original, but then if you want original, you would need to convert back to the undesired generator.

Dan

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Stretch_03 to Dan

01-02-2004 19:27:33

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Re: Re: Re: Re: Tachometer Hookup on Ford 3000 in reply to Dan , 01-02-2004 17:18:57

Thanks Dan. I'm wondering though, my tractor is a 3 cylinder, do I have to get a special tach? Or will a regular electric tachometer work?

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Dan

01-03-2004 02:01:45

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Re: Re: Re: Re: Re: Tachometer Hookup on Ford 3000 in reply to Stretch_03 to Dan, 01-02-2004 19:27:33

I found one on e-bay with little trouble that will do from 2 to 10 cyl, including 3 cylinders. While you might not get the message in time to bid or buy this one, it gives you something to go by Link

Dan>Link

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bill

01-04-2004 15:09:30

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Re: Re: Re: Re: Re: Re: Tachometer Hookup on Ford in reply to Dan, 01-03-2004 02:01:45

that IS NOT a very good choice.. as its designed for gas engines only..and since a tractor engine only run at 2200 max rpms,, that tach would hardly move the needle and would not show you what you need to correctly operate.. the tach goes to 10,000 rpm and has a funky shift light.. this is for kids who dont know any better..... and since its $75 bucks and the hook up kit is another $25 dollars,, you can buy a complete instrument panel brand new on ebay for about $150... guages, tach and idiot lights.... and the generator is just fine for a tractor putting out 22 amps.. it doesnt tend to boil the battery dry due to over charging.. and a generator can be pushed or pull started due to the residual magnetisum.. tractor batteries with generators tend to last serveral years longer... .. and a alternator can never be pulled started with a dead battery, it can only be jumped..when the battery is low..

that particular tach is NOT a very good choice for a tractor..

a good generator will last 30 to 40 years.... just my 2 cents..

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Dan

01-03-2004 00:46:11

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Re: Re: Re: Re: Re: Tachometer Hookup on Ford 3000 in reply to Stretch_03 to Dan, 01-02-2004 19:27:33

I never thought of the 3 cyl. I just assumed everyone had a 4 cyl, like me.....lol. Let me do some diggin, there were some small 3 cyl vehicles and electronics has morphed into nothing short of amazement. I do remember tachs working most on a multiple of 2 though. If I find anything, I'll post it.

Dan

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Stretch_03

01-03-2004 11:39:54

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Re: Re: Re: Re: Re: Re: Tachometer Hookup on Ford in reply to Dan, 01-03-2004 00:46:11

Thanks Dan (and all) for your help.

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331_man_wv

01-03-2004 14:44:38

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Re: Re: Re: Re: Re: Re: Re: Tachometer Hookup on F in reply to Stretch_03, 01-03-2004 11:39:54

The electric tach will not work at all if this tractor has the BSD Diesel in it

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Dan

01-04-2004 00:07:22

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Re: Re: Re: Re: Re: Re: Re: Re: Tachometer Hookup in reply to 331_man_wv, 01-03-2004 14:44:38

You bring up a valid point I hadn't thought of. Must have spark plugs. There are many tachs where you would monitor say fan speed, but they are portables and probably not a good idea for tractors. Most are used for airplanes.

Dan

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