Ignition switch on John Deere 50

Howard Parker · Jul 22, 2019

Can anyone help me figure out what wire goes where

55 50 Ron · Jul 22, 2019

I see markings on it. Have you taken the old one out? If not label the wires as you disconnect. I've changed at least 2 of those over the years. The configuration you have is the same as those I've changed. ING (far upper right in your photo) is ignition and connects to the coil, just below that to the left is the line to the battery via the ammeter. FL means white rear field light, under the resistor is the red tail light, at the left end of the resistor is the headlights.

55 50 Ron · Jul 22, 2019

I should have added but you probably already know that the resistor is for the headlight dimming function.

Howard Parker · Jul 22, 2019

Ok no wires coming from the ammeter one wire comes from the generator and one wire goes to the coil the two wires coming from the back light one is red and one is black what one would be the tail light thanks Howard

Bob · Jul 22, 2019

What is the serial number of the tractor? Gasoline or LP gas, mite as well give us a little info, if you want help, our gracious hosts don't charge by the word, AFAIK.

(Are you sure you want to install a switch from the "Land of Almost Right" that has an ING terminal? LOL!)

55 50 Ron · Jul 23, 2019

"one wire comes from the generator" Sounds like someone re-arranged the wiring !!! Not necessarily wrong electrically but not according to the manual's wiring diagram.

But I digress LOL.

The wire from the generator goes to the switch battery terminal. The two wires from the back light are BOTH for the tail light. The "tail" light is two bulbs - one for white light (field work) and the other for red light (road travel) Seems sensible to connect red wire to red light. (Bob, my John Deere Electrical Systems Service Manual doesn't show any wiring changes based on serial numbers but that doesn't mean there aren't any)

Then follow what I posted before.

Howard, where do you live? Maybe a YT guy lives close and would help you.

Howard Parker · Jul 23, 2019

It's gas and it's a first year model 50 I live in Illinois but don't hold that against me lol

Howard Parker · Jul 23, 2019

The other white wire from the generator goes to the ammeter and a wire goes from the ammeter to the starter

55 50 Ron · Jul 23, 2019

That sounds correct. You most likely mean voltage regulator when you mention generator. The Parts Catalog for the 50 tractor shows a voltage regulator used from the very first serial number.

Ozlander · Jul 23, 2019

(quoted from post at 11:58:42 07/23/19) It's gas and it's a first year model 50 I live in Illinois but don't hold that against me lol

Upper Illinois or lower Illinois?

55 50 Ron · Jul 23, 2019

Where would that "dividing line" be? Grin!

55 50 Ron · Jul 23, 2019

I was wrong in saying that the switch in your photo is the same as the ones I've changed. The ING is supposed to be IGN. The genuine John Deere switches were made by Cole of Boston. Don't know where the aftermarket ones are made. I wonder if Cole still makes the part for JD? I looked at the insides of an original and photographed it. The originals are very substantially made.

Pete in MD · Jul 23, 2019

Probably somewhere about the "middle". Grin!

Howard Parker · Jul 24, 2019

Hour south of Chicago lol

55 50 Ron · Jul 24, 2019

That's about 1/2 way to Dugger's.

55 50 Ron · Jul 24, 2019

Did you get the switch changed and wired correctly?

Howard Parker · Jul 24, 2019

Yep thanks alot for the help

Ignition switch on John Deere 50

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