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Customer Questions and Answers for Surface Unit Switch Kit by Whirlpool

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    • Part Number: AP3109444
    • MFG Part Number: 4391989
    • Made by: Whirlpool
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For Whirlpool Surface Unit Switch Kit (Part Number: AP3109444)

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Need wiring help. The wiring instructions sent were not helpful for the surface switch switch that I have currently on my stove. The current switch has 2 prongs up top and 3 across the bottom, lets call them Prongs A-E. A & B are up top and C-E are across the bottom of the old switch. There are 3 different colored wires that go into the old switch, red, black and white/black. Prong A (up top) is a white/black wire. Prong B (up top) is 2 red wires. Prong C is 2 red wires. Prong D is 2 black wires. Prong E is a white/black wire. Please let me know how I need to correctly wire out this new switch with the existing wires. Thank you for your help.

Dean P. for Model Number JBP21BY2WH

ANSWER Hello Dean, The instructions should have never listed wire colors since every model has different wire colors. The way to decipher the wiring on these switches is from the terminal labels. The last thing you want to do is remove all of the wires prior to installing the new switch. This way avoids having to pull the wiring diagram for the unit and trying to make sense of it like ancient hieroglyphics. If you cannot see the labels on the back of the switches you may have to get a flashlight and/or a magnifying glass. The wire that was on P will go to the pilot terminal on the new switch. The wire that was on the L1 terminal will go to the P2 terminal on the new switch. The wire that was on the L2 terminal will go to the P1 terminal on the new switch. The wire that was on the H1 terminal will go on the terminal labeled 4 on the new switch. The wire that was on the H2 terminal will go to the terminal labeled 2 on the new switch. 

Answered by AppliancePartsPros.com   |   Monday, April 01, 2013

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