Whirlpool 74009405 Relay, Aux. (dlb) - AppliancePartsPros.com

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Part Number:	AP4097713
MFG Part Number:	74009405
Made by:	Whirlpool

I bought this relay. I cannot see anything that looks like this relay around the digital control. Where is it located? My upper oven will not come on the broil element works fine. The lower oven works fine. The clock works.

Tim for Model Number CWE5800ACB

Answer Hello Tim, This relay should be located in the control compartment on the wall where the cooling fan is located.

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Thank you for your previous response (see below). I pulled the limit switch out and tested it with a continuity tester. It has continuity at room temperature, therefore I assume that it is working correctly. Do you have another suggestion I might troubleshoot, and is there a way to test the Aux. Relay (AP4097713) that I previously spoke of? Previous post: {Neither of the upper oven elements will heat up. I tested the lower element and it was within specs, and everything I read on the net speaks of a relay as the culprit. My question is this (AP4097713) the relay, or could it be something else? P.S. The lower oven works fine. Thanks Bill for Model Number CWE5800ACB (MAYTAG) Answer Hello Bill, If the bake and broil are BOTH inoperative, there would have to be two bad relays. It is more likely that there is a bad limit switch 7403P063-60.

Bill for Model Number CWE5800ACB

Answer Hi. Inside the unit controls is a wiring diagram. I have searched the service manual wiring diagram to actually look at the relay terminal identification numbers. Test it by putting the meter red lead on the bake terminal and the black lead to ground. During bake- you should have 120 vac to ground from there. Basically the 2-smaller terminals are the coil resistance. Then you have 120 volts "waiting" on one side of the relay. When the board gives the command to send a lower voltage to the coils, then the relay closes the internal contacts to send the 120 vac to the bake output terminal. So without the terminal #'s on the bottom of the relay then I cannot be able to tell. Relay part # 74009405. If a part is a separate part onto the board then it is not shown internally breakdown on the wiring diagram. Thank You.

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Neither of the upper oven elements will heat up. I tested the lower element and it was within specs, and everything I read on the net speaks of a relay as the culprit. My question is this (AP4097713) the relay, or could it be something else? P.S. The lower oven works fine. Thanks

Bill for Model Number CWE5800ACB (MAYTAG)

Answer Hello Bill, If the bake and broil are BOTH inoperative, there would have to be two bad relays. It is more likely that there is a bad limit switch 7403P063-60.

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Relay, Aux. (dlb)

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