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Ford 9N, 2N & 8N Discussion Forum
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Gremlins in them switches

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Barnstormer

10-04-2004 08:58:41




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Looking at the rescent posts below, this past week-end must have been a coordinated timed release of gremlins in switches.
My '46 2N, at the lake, was working hard again this past week-end hauling stones, sand and woodchips. Comming up hill out of the woods with the last load of sand just before a dinner date, it just quit. Not a fuel problem. Being on a well traveled trail for hikers and golf carts, I got my wife and her Jimmy to tow the tractor back to our camper.
Next morning I started checking and found I had no spark at the plugs. I'm thinking the infamous front coil. All of my "N" tools are at home, 80 miles away. What to do?
I cannabolized a 12 volt bulb out of the camper, got a piece of 18 gage solid core wire from a friend and made a rather rough test light, requiring 3 hands, to trace out a 6 volt system.
No juice at the coil, no juice to the ballast resistor. I pulled out the switch and no juice through it. I jumpered the switch wires and VAROOM! Now to go get a new switch.
Then, the golf cart headlights would not come on. Switch would not work. New switch, wala!
Early halloween gremins.

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MikeT

10-04-2004 09:30:02




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 Re: Gremlins in them switches in reply to Barnstormer, 10-04-2004 08:58:41  
Do you by chance have the lights wired through the ignition switch? If so, consider moving the lights to the other side of the switch. To many amps might be what killed the ignition switch.



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Barnstormer

10-04-2004 10:48:57




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 Re: Gremlins in them switches in reply to MikeT, 10-04-2004 09:30:02  
You are right, I do have the lights wired through the switch. I want to be sure that the lights can't be turned on by a curious child and run the battery down. When you display a tractor at shows, the best signs and ropes are no match for determined kids or ignorant adults.



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MikeT

10-04-2004 14:21:15




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 Re: Gremlins in them switches in reply to Barnstormer, 10-04-2004 10:48:57  
Though this wouldn't be original, you could get a 3 wire switch with an ACC terminal. Hook the lights to the ACC terminal and the ignition system to the IGN terminal. Hook the battery to the BAT terminal. Such switches turn right of center to turn on the ACC and IGN and left to turn on just the ACC. Run the ACC terminal to a push-pull light switch. This way you could run your lights without the tractor running or have current running through the coil when all you want is lights. Also, the lights could not be turned on when the key is out.

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souNdguy

10-04-2004 11:21:02




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 Re: Gremlins in them switches in reply to Barnstormer, 10-04-2004 10:48:57  
If you do want to be able to disconnect the lights.. how about a battery disconnect switch. I've even seen the battery clamps that hahe a switch built in. Another possibility is to add a relay to your ignition circuit that controlls the headlight power. Ignition switch makes a wire hot that is inline with your lite switch, and then the relay.. then ground. The lite is hooked up off the relay. In this manner.. the ignition switch still has to be on for the light switch to function.. yet neither are carrying the load of the lamps.. just ignition coil power, and the relay coil power ( milliamps ).

Soundguy

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Barnstormer

10-04-2004 11:32:11




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 Re: Gremlins in them switches in reply to souNdguy, 10-04-2004 11:21:02  
Interesting stuff for this electrically challenged duff. Good ideas. Should be simple enough. I rarely use the lights and have several projects in the works. You can imagine the priority that I've put on changing this up until now. May be just the right time to make some modifications...after finishing my landscaping project, winterizing the campers, servicing the cars and truck for winter, raking leaves, check the furnace etc.etc.etc.etc. grin

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souNdguy

10-04-2004 11:53:46




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 Re: Gremlins in them switches in reply to Barnstormer, 10-04-2004 11:32:11  
Sounds like the line forms to the left when it comes to projects..

Soundguy



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Rob

10-04-2004 09:22:38




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 Re: Gremlins in them switches in reply to Barnstormer, 10-04-2004 08:58:41  
The 8N manual has a procedure for troubleshooting ignition problems that requires no meter or light. A 6" piece of wire would do nicely. 3" might be enough. Pocket knife, screwdriver...whatever.



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Barnstormer

10-04-2004 10:45:43




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 Re: Gremlins in them switches in reply to Rob, 10-04-2004 09:22:38  
The switch was new 5 years ago. On the 2N it is in the steering column behind the battery, not under the hood like the 8N. I don't like to create sparks near the battery (which sits higher in the 9N/2N) and the gas tank. I've forgotten a key for my 8N and used a paper clip to go.



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Rob

10-04-2004 10:49:46




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 I've used a light. in reply to Barnstormer, 10-04-2004 10:45:43  
I end up with a spark anyway.
Not too worried about a low-volt spark around a battery in the open anyway. Long as the gas is in the tank I'm good to go.



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Barnstormer

10-04-2004 11:39:12




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 Re: I've used a light. in reply to Rob, 10-04-2004 10:49:46  
I hear what you are saying. I had tried cranking the engine before I started checking wiring thinking it might have been an open in a hot coil. Lacking that is when I traced out power. Having had a battery blow the caps past my face when jump starting a car, as a stupid teen, I'm leary of playing around with that stuff.



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