Trying To Replace Electric Mower Switch With Normal Light Switch - Electrical - DIY Chatroom Home Improvement Forum

Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Electrical


Thread Tools Display Modes
Old 06-12-2012, 02:56 PM   #1
Join Date: Jun 2012
Posts: 3
Rewards Points: 10

Trying to replace electric mower switch with normal light switch

Ok, I had to disassemble my Black and Decker electric lawn mower (mm550) switch and power apparatus because the switch had gone bad. I have an extra light switch in the garage, so I thought that I would just use that. The question becomes, however, how do I connect the wires?

Here is a picture of my setup. The mower cable is shown alongside the old push button switch. There are 4 wires coming from the mower. Orange, red, black, and white. The red, black, and white used to be connected to the old switch. The orange is connected to part of a male plug-end. The other part of that plug-end(connects mower to extension cord), you will see connected to the light switch. These two plug-ends will be the source of power.

I have connected some wires as you can see, but I really do not know what I am doing, so I stopped and decided to come here and see a) can this be done and b) if so, what wires should be connected where

I hate to throw this mower out. It is old, but still mows a great lawn. Many thanks for your help!

If the image doesn't work above, it can be found here:


orrgroup is offline   Reply With Quote
Old 06-12-2012, 03:43 PM   #2
Join Date: Jul 2008
Location: NW of D.C.
Posts: 5,990
Rewards Points: 2,000

A 15A wall switch is supposed to be good for 13A if it switches a motor load. Can you post some mower spec's?


Yoyizit is offline   Reply With Quote
Old 06-12-2012, 04:31 PM   #3
Join Date: Jun 2012
Posts: 3
Rewards Points: 10

It is a 12A mower. Does that help? 3.5 horsepower. Here is an image..

I suppose, I could just wire directly to a plug. Then when I plug in the extension cord, it cranks up. That is always an option. Not a safe one, but an option.

Last edited by orrgroup; 06-12-2012 at 04:34 PM.
orrgroup is offline   Reply With Quote
Old 06-12-2012, 04:38 PM   #4
Join Date: Nov 2011
Posts: 513
Rewards Points: 500

The "light switch" in your photo sure looks a lot like a dimmer to me. DON'T use a dimmer on your lawn mower!

Also, most electric mowers have a switch you have to hold in the on position so if you run over your foot you will (presumably) let go and the mower will stop.

Lastly, you might be able to call sears and get the replacement switch for your mower.
Evstarr is offline   Reply With Quote
Old 06-12-2012, 05:09 PM   #5
Ravenworks's Avatar
Join Date: Oct 2010
Location: NE Ohio
Posts: 598
Rewards Points: 500

This looks scary,do yourself a favour and buy the proper switch.
U.S.M.C. "80-84" E.O.D. 1369
Ravenworks is offline   Reply With Quote
Old 06-12-2012, 05:43 PM   #6
Retired from the grind
gregzoll's Avatar
Join Date: Dec 2006
Location: Midwest - Central Illinois
Posts: 17,128
Rewards Points: 6,638

What is on the mower, is called a "Suicide" switch. That means that if you let go, it kills or commits suicide to the motor, so it is not running. One of those things that have to be standard now on mowers, due to too many people were sticking their hands under the deck to clear grass, while the unit was running.

Since it looks like you can not get the part through that second link, check the local mower shops, amazon, ebay.
Ren: Now listen, Cadet. I've got a job for you. See this button? Ren: Don't touch it! It's the History Eraser button, you fool! Stimpy: So what'll happen? Ren: That's just it. We don't know. Maybe something bad, maybe something good. I guess we'll never know, 'cause you're going to guard it. You won't touch it, will you?
gregzoll is offline   Reply With Quote
Old 06-12-2012, 05:45 PM   #7
E2 Electrician
stickboy1375's Avatar
Join Date: Apr 2012
Location: Litchfield, CT
Posts: 5,655
Rewards Points: 2,970

Originally Posted by Yoyizit View Post
A 15A wall switch is supposed to be good for 13A if it switches a motor load. Can you post some mower spec's?
A 15 amp switch is good for 15 amps...

I stand corrected, its good for 12.75 amps.


Last edited by stickboy1375; 06-12-2012 at 05:58 PM.
stickboy1375 is offline   Reply With Quote

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Replace dimmer switch with normal switch kharker Electrical 1 05-22-2012 01:39 PM
2 Wires in to light, 3 Wires out, no juice on the switch prytoo Electrical 4 11-28-2011 05:24 PM
Changing A Double Switch to a single pole switch and a dimmer switch loydbrahn Electrical 0 11-08-2011 11:00 PM
Wiring 2 light fixtures to same switch and add outlet RyanS2000 Electrical 13 10-10-2010 02:17 AM
Light switch installation problems pc_clone Electrical 8 11-30-2009 09:25 PM

Top of Page | View New Posts


Search Engine Friendly URLs by vBSEO 3.6.1