Question about Black & Decker 19" Electric Lawnhog Mulching Mower with Rear Bag

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Which Wire Where

I got a new switch from the suggested website. Unfortunately I unplugged all the wires on the old one before noting their placement on the switch. Can you help me know which wire to connect where? I'd appreciate it.

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  • dwhaley Sep 10, 2008

    I have a MM 850 with bad power-up switch, Does anyone know the part number or where I can find a replament switch? It's push botton on one end and 4-pole switch (two blk, one red, one white wire).


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Which Wire Where - 72eca08.jpgIf you haven't found the answer, maybe this will help

Posted on Sep 12, 2008

Jon, What's the website? Thanks

Posted on Sep 04, 2008

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D140 Belt won't engage. Replaced Switch. Still doesn't work. Any Suggestions?

does it have electric PTO ? if it does then you should be able to hear it click with ignition on and engaging pto switch if it does not then you have to look for a bad safety switch located under seat and brake pedal try unplugging pto clutch and putting 12 volts dc to one wire and grounding the other wire if it clicks its ok if it does not then safety switches are the probable cause witch is causing an open circuit.

Jun 22, 2016 | John Deere D140 48 in. 22 HP Hydrostatic...

1 Answer

Starts fine runs fine,10 to 30 min shuts down,no spark.30 to 60 min will start as if nothing ever happened. ?

Lets do the easy cheap quick stuff first. Some have a low oil sensor on the engine that will interrupt the spark if it detects low oil so make sure it is full to the mark. The spark plug does go bad so try a new one. Then it gets harder from there, under the fan shroud that covers the flywheel is a ignition module , there will be spark plug wire or two and one small wire plugged onto it, unplug it, this will separate all the safety switches that could be the problem from the engine. NOTE it will not shut off with the key until you plug it back on. Put the shroud back on and try it again. If it stills quits and has no spark I would change the ignition module. If it does not quit it is one of the safety switch. The little wire on the module is connected to the ground through the safety switches to stop the spark and is what shuts it off when one of them are not satisfied.

Apr 07, 2016 | Garden

1 Answer

I have an old John Deere S83 lawn tractor. I put in a new battery and double checked everything, but it will not turn over-no click or anything. Any suggestions? Is there a way to by pass the seat...

make sure blades are disengaged all the way,to disable seat safety switch just unplug if it has a two wire hook up you need to run jumper wire between wire terminals or use a 5 amp two prong car fuse.If that doesn't work check starter solenoid to.

Aug 07, 2013 | John Deere Garden

1 Answer

Have hampton bay add on remote control kit on patio ceiling fan. Battery died in the remote, so kid turned fan off with pull chain. replced battery, now cant get fan to work on any pull chain settings....

The pull switch in the fan may be broken in the off position. Luckily these are easy to replace. Purchase a new switch. Obtain a wire stripper and phillips screwdriver. Lower the light (if installed) or the blank by removing the screws. Disconnect light if installed. Unscrew nurled knob on fan switch and remove switch. Make note of where the wires go, I take a picture with my cell phone. Cut wires off as close to the old switch as you can. Strip about 1/4 to 3/8 inch of the insulation off the end with the wire stripper. Insert into the appropriate hole in the switch. Nothing to tighten to lock down here, it will hold it. Reinstall switch and light and test for proper operation.

Jul 09, 2011 | Garden

1 Answer

1998 John Deere 325 belly mower 48" deck will not stay engaged.

There is a safety switch on the diferential that lets the tractor know that your not backing up that is likely defective,unplug it until you can get one in to replace it and you should be good to go.It's on th right side mid housing on the hyrostatic unit[rear diff].

Apr 12, 2010 | John Deere 420,1020,2010,2020,2510,2520...

1 Answer

I have Ariens Model # 1336DLE snow blower aprox 5 yrs

A volt meter or test light will be needed. Also a 12 volt battery supply ( you can use an automobile battery or your automobile)

*Please Note: before testing, make sure all wires and connections are tight and not corroded, loose, or burnt. Many electrical problems are just loose, broken, or burnt wire connections.

Test the chute rotator motor: you will need to disconnect the motor from the wiring harness.
1) connect a wire to the 12 volt supply and one of the motor leads
connect the other wire to the remaining lead
*note: positive or negative does not matter, because the chute motor will rotate either direction, and by reversing leads, the motor direction will reverse.

2) If the motor is good, now check for voltage from the snowblower engine.
Locate the supply wire to the rotator switch, with the engine running, check the voltage reading on that supply wire.

3) If the supply is good, then the switch is bad

Nov 15, 2009 | Ariens Garden

1 Answer

I have a husqvarna yth2148 and the blades have quit and then after sitting till the next day they have started working and now it quit completely and wondering if there is a way to test the pto switch by...

Testing the PTO clutch and wiring.
1) A voltmeter or test light is a MUST.
2) Starting at the clutch, there is a connector from the wiring harness.
a) one wire will have voltage, the other is a ground wire
**NOTE: a person must be in the seat, pto turned on. DO NOT start the engine, but have the key in the run position as if you were mowing.
If there is voltage in the wiring harness connector, the problem is the clutch assembly.
If NOT, then
3) check for voltage from the back of the pto switch (normally, the switch can be removed by depressing the holding tabs on it's sides, so that you can access wires easily)
a) you will have a supply wire from the ignition switch, and a wire that goes to the clutch harness. with the switch on, you should have voltage on at least 2 wires. The other wires are the seat safety/start circuit and are not part of this test.
b) If you have battery voltage coming into the switch, but nothing coming out, the switch is bad.
c) if you do not have any voltage supply, then
4) check the ignition switch, does it have a battery source voltage, and in the run position, it normally will have an 'A' terminal that supplies the pto switch
* note
5) many times the internal terminals of the igniton switch can fail to supply voltage to the pto switch
** I am assuming the supply to the ignition switch is good, because otherwise you would not be able to start the tractor..

Nov 10, 2009 | Husqvarna Lawn Tractor - 54in. Deck, 26...

2 Answers

I have a Woods Zero Turn Mow n Machine powered

Try taking the cover off to get to the fly wheel and use some fine sandpaper or emery cloth to clean off the magnets on the fly wheel and the two little prongs that set really close to the fly wheel.
My white wouldn't start right away and I did the above and now it starts great.

Let me know if that helps.


Jul 31, 2009 | Garden

1 Answer


All wires on a small engine except for the spark plug wire are to ground out the spark and stop the engine. Except a few for accessories and on generator/welders.

Knowing that, there is a small main wire that comes from your coil and leads to all other wires. It usually sits under your gas tank and runs toward your on/off switch or ignition switch. To see if it is any off your shutdowns gone bad, disconnect this wire. If still no spark then you either have a open in this wire or your magnito (coil) is bad.

If it starts, then unplug all the wires going to the kill wire and hook them up one by one until you find the one that kills the engine. Follow the wire to it's source looking for breaks in the line. If no breaks then the switch is out of place or bad.

Note: check your oil level first. Most engines come with a low oil sensor that will kill the spark if the oil level gets too low.

To check is your magnito is bad or you have a short, disconnect the wire at the magnito found by the flywheel under the flywheel cover. Tuck this wire out of the way and try to start your unit. No spark then you have a bad magnito.

Apr 01, 2009 | Briggs & Stratton Garden

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