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Customer Questions and Answers for Light Switch by Whirlpool

4.89 (64)
By: Whirlpool
Part Number: OEM18017526
Manufacturer Part Number: WP2149705

The Light Switch is an OEM part for Whirlpool refrigerators. This switch is responsible for controlling the refrigerator's interior light, turning it on when the door is opened and off when it is closed.

Symptoms of a failing refrigerator light switch include:

  • The interior light staying on when the refrigerator door is closed
  • The light not activating when the refrigerator door is opened
  • Intermittent or flickering light due to a loose connection or faulty switch

Causes of light switch failure typically involve mechanical wear from repeated use, accumulation of dirt or debris that can interfere with the switch mechanism, or electrical issues such as short circuits.

This OEM part is also compatible with other brands manufactured by Whirlpool, including Maytag, KitchenAid, Jenn-Air, Amana, and others.

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Questions & Answers

For Whirlpool Light Switch (Part Number: OEM18017526)

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Hello Karen, thanks for contacting AppliancePartsPros.com
If the lights still aren't coming on after the bulbs and switch have been replaced, voltage will need to be checked at the switch and the sockets. Check voltage at the sockets with the door switch taped or held down, if 120v AC is not present from yellow to white wires at either of the sockets then you have an internal wiring issue that is non-serviceable and non-repairable. If the voltage is present then the sockets 4387478 will need to be replaced.

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Answered by AppliancePartsPros.com   |   Monday, November 10, 2025

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