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

3 Answers

WIRING DIAGRAM? FOR BLACK AND DECKER ELECTRIC LAWN MOWER

HAVE A 19" BLACK AND DECKER MM850 PURCHASED IN 1997. THERE ARE FOR LEADS, BLACK, BLACK WITH PLASTIC COATING, WHITE AND RED.

THANKS FOR YOUR TIME AND CONSIDERATION IN THIS MATTER.

JAMES,

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  • Anonymous Jun 07, 2008

    i replaced the switch and rectifier but still trips breaker, think i mixed wire on both

  • akreiswig Jul 21, 2008

    I've got the same problem. I wired it like the picture except the plastic covered red and black leads opposite. It ran for 30 seconds then quit. The white wire was really hot. I let it cool down switched the white and covered black leads. It ran this time for only 10 seconds then tripped the breaker. Once breaker was back, the mower wouldn't start at all. Do I have to rewire everything? Thanks for listening! Anne

  • Anonymous Mar 23, 2014

    The white wire has broken loose from a rectangular ceramic box glued to the side of the motor housing. How do I reattach it.

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The pic says the connection are not right.all left side connection are for brake which is the red & white wire. all right side connection are two black wire.

Posted on May 31, 2008

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Hi,
Here is the correct layout for the wiring of the 681064-01switch. Iknow this as I have this same mower and it works fine, now. Before taking the switch apart, look at the leads to the brushes down by the motor. where the wire from the brushes joins the plastic coated wire, vibration or heat can make this break,UNDER THE INSULATION, and then everything quits. I spent an afternoon tracing this down and once repaired the mower works well.

| 1 | 1-black
| 3 | 2- black with plastic cover
| | 3- red
| 2 | 4-white
| 4 |
| |
|---|-
button
Hope this helps.

Posted on May 03, 2009

  • careless54 May 03, 2009

    Let me try the diagram again.

    1
    2
    3
    4

    5.

    1- black
    2-red
    3-black with plastic cover
    4- white
    5- button end of the switch.
    Hope this works better.


  • careless54 May 03, 2009

    Let's try this another way.
    Hold switch with button at bottom and with terminals facing you.

    Upper left tab- black
    Lower left tab- black
    Upper right tab(angled) -red
    Tab at bottom parallel to button - white


×

Hello, disconnect red white find blacks common when switch is on or meter it then other two are for armature brake short when trigger switch is released

Posted on Sep 09, 2008

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