Ignition switch removal question

R

Ronny Bailey

501 Club
I'm going to run a wire from my ignition switch to the magneto.
The only evidence that there ever was one is a broken wire connection on the back of the switch.
Problem is, I can't get the switch out of the dashboard. Is there a trick to it?
I need to remove it because I want to test it and clean it up.
I would just remove the dash panel, but one of the bolts is stuck, so it will have to soak for a few days.
The hole is smaller than the switch, so there must be a way to take it apart.

Also, I have an a round opening below the switch with nothing in it. Any idea what might have been there originally?
The mystery hole is the bottom one in this picture:
http://www.tm-tractor.com/gsu/supportshort1_001.htm

Thanks for your help!
 
There is just a big nut like on the front side that holds it on and you will have to take the knob to. It will come out the back of the dash. I think that bottom hole is for the fuse holder.
Kyle
 
cubguy":29kx7usp said:
There is just a big nut like on the front side that holds it on and you will have to take the knob to. It will come out the back of the dash. I think that bottom hole is for the fuse holder.
Kyle
Click to expand...

Thats the way!
Take off the pull knob, unscrew the retaining nut, and take it out on the back side.

Piece of Pie!
 
The knob screws off the shaft. There is a small hole in the shaft that you can put a tiny screwdriver thru to hold it so it does not turn. Make sure you have a good ground to one side of the switch or if it is a single wire clean up where the switch mounts to the dash.
 
IMG_0090_%28Small%29.JPG
 
Cecil":3ne9gdkj said:
The knob screws off the shaft. There is a small hole in the shaft that you can put a tiny screwdriver thru to hold it so it does not turn. Make sure you have a good ground to one side of the switch or if it is a single wire clean up where the switch mounts to the dash.
Click to expand...
Thanks, Cecil.
The knob is what I was getting hung up on. Couldn't see that little hole in the shaft.
Looks like I have to start wearing my magnifying glasses more. :shock: :shock: :shock:

On the fuse holder:
The only fuse I see on the schematic looks like it's on the headlight switch.
Is that the one? What size fuse is? It doesn't say on the schematic.
I was hoping that hole in the dashboard was for something neat like a power outlet for a radar detector.
 
The fuse holder in the panel replaced the one on the old 4 position light switch. It is a 20 amp fuse.
 
Ronny Bailey":3p5fff8m said:
Cecil":3p5fff8m said:
The knob screws off the shaft. There is a small hole in the shaft that you can put a tiny screwdriver thru to hold it so it does not turn. Make sure you have a good ground to one side of the switch or if it is a single wire clean up where the switch mounts to the dash.
Click to expand...
Thanks, Cecil.
The knob is what I was getting hung up on. Couldn't see that little hole in the shaft.
Looks like I have to start wearing my magnifying glasses more. :shock: :shock: :shock:
Click to expand...
It is pretty common for the hole to be filled with a mixture of grease and dirt, making it nearly invisible. A small long nose punch works well to hold it.
 
Bigdog":25t2ouvr said:
The fuse holder in the panel replaced the one on the old 4 position light switch. It is a 20 amp fuse.
Click to expand...
Got home from work a few minutes ago and checked it out.

I have the 4 position switch, with a fuse on the back.
Then the dash has the place for a fuse holder.
I'm thinking something was changed in the past.
What was the original setup? It's a 1949 model.
It's not important now, but eventually I want everything to be as it was in 1949.

On the switch, I did some light cleaning on the shaft with a wire brush.
I'm letting it soak in PB Blaster before I try to remove it.
The shaft doesn't have a hole in it, but it has two small flat spots on opposite sides.
Looks like it was meant to be held by pliers while the knob is unscrewed.
Is this a replacement or the original?
switch.jpg
 
A-HA! When y'all said packed with dirt and stuff, you weren't kidding.
Took a dental tool and got all the crud out.
Even after the wire brush, it looked like solid metal.
I had used a big magnifying glass and still couldn't tell the difference!
I'm going to let the knob soak for a few hours before I take a wrench to it.

Yet another time where y'all saved me from possibly damaging a part on the Cub.
Thanks so much!

That leaves me with just this odd fuse situation.
Any ideas?
It wouldn't have had two fuses, would it?
 
The panel was changed in mid-year '49, providing room for the fuse holder. The electrical system was changed in mid-year '50 to the version that had a fuse holder. During the intervening time, the hole was enpty.
 
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