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Customer Questions and Answers for Start Switch by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18025629
Manufacturer Part Number: WP3404233

The Start Switch is an OEM part for Whirlpool dryers. This switch is essential for initiating the drying cycle, allowing the user to start the dryer by pressing the button. It ensures the dryer begins operation and runs through the selected cycle properly. 

Causes of a bad start switch can include electrical issues such as short circuits, mechanical wear from frequent use, or damage due to moisture or impact.

Symptoms of a bad start switch include:

  • The dryer not starting when the button is pressed
  • Intermittent operation or the need to press the button multiple times to start the dryer
  • No response or sound when the start button is engaged
  • The start button feeling loose or not clicking properly

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

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Questions & Answers

For Whirlpool Start Switch (Part Number: OEM18025629)

1 Answer

Hello Roger, If you refer to the first picture of the switch on our website, the long narrow part that protrudes to the right is a lock. It should be raised with a small screwdriver and then the switch will rotate. After rotating about 1/4 turn, the switch will drop out into your hand.

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1 Answer

Lou, Based on your post information, if the start switch is working proper, and you have to open the door to stop the dryer, the motor switch neutral cicuit would have to be defective. You'll need to replace the motor assembly 279787 or check the white wire to the motor for a short to chassis ground.

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1 Answer

Hello David. Check and make sure the door switch is good. If so, you may need to replace the thermal fuse WP3392519 and check for a venting issue with the unit.

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1 Answer

Hello John. If you look on the unit, there should be a wiring diagram to help you locate the correct place for the wires on the start switch WP3404233. Most of the time, it is located in the control panel of the unit.

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1 Answer

Hello Dan. On the side of the switch WP3404233. When pressed, the com and the NO will read closed for continuity on a meter. Try opening the door and taping the door switch closed. Then press the start button and use your foot to spin the drum. If the dryer runs, the motor is bad on the unit.

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1 Answer

Hi Bobby. You need to check the thermal fuse first to see if it is open part # WP3392519 located at the blower hsg. You can temporarily jump these 2 wires together w/ elect tape and see if it works now. If it does then you have located the issue. If not then use the same principal on the start sw, by jumping the wire and the wire together. If the unit now runs then replace the start sw. which is a relay system part # WP3404233. Thank You.

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1 Answer

Hello Dan. You can test the start switch WP3404233. It should read closed when you press in on it. If so, the switch is good and you will need to replace the timer. Hope this helps.

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Gordon W. for Model Number Kenmore #11062622101 80 series

I have a Kenmore Electric Dryer 80 series Model #11062622101, it was working fine and dried a load , went to do a load later in the day and does not do any thing when you push start button, black micro swith on door seems to click when you push it and door latch still line up. Push to start button seems to be spongy but you can still hear a clicking maybe going to a relay. I ordered new push to start button from here and was sent the wrong one. Is there something else I should be looking for?

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