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Customer Questions and Answers for Heating Element Connecting Wire by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM9403923
Manufacturer Part Number: 279457

The Heating Element Connecting Wire is an OEM part for Whirlpool dryers, designed to provide a secure electrical connection to the dryer's heating element. This critical component ensures that the heating element receives the power it needs to generate heat for drying clothes. 

Causes of a bad heating element connecting wire can include overheating, physical damage, or wear and tear over time. These issues can lead to a loss of connectivity, resulting in the heating element failing to heat up. 

Symptoms of a bad Heating Element Connecting Wire include:

  • The dryer not heating up despite having power
  • Intermittent heating, suggesting a loose or faulty connection
  • Unusual smells or signs of burning, indicating overheating or damage to the wire

This OEM Whirlpool part can also be used on Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore/Sears brand appliances.

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Questions & Answers

For Whirlpool Heating Element Connecting Wire (Part Number: OEM9403923)

1 Answer

TI, There are 2 components other than the thermostats which would cause the heating element not to work. First is the motor and second the timer. The best option is to disconnect the power to the unit and access the heating element. Disconnect one wire that is going to the heating element, preferably the one on the thermostat side. Plug the unit back up and using a multimeter you will want to turn the dryer on and test for 120 vac at the terminal on the heater where the wire was disconnected. What this will do is eliminate the heater element itself and the motor. If there is 120 vac at this point then you know the heater is good and the motor is good because the other 120 vac coming through the thermostats is the timer side of the circuit. If there is not 120 vac at that point then you will want to test the other terminal on the heater and check for 120 vac. If there is not 120 vac then the motor would be bad .

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1 Answer

Hello Javier. Yes, you will need to order 279457 for the heater wire needed for the unit. You crimp on the connector needed for the other end. Thanks.

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Michaelb for Model Number WED9200SQ0

I just replaced the heating coil. It went well and dryer is heating again. But I noticed that the wire that ran from the heating coil to the thermostat was not in good shape (insulation burned through). I electrical taped it and I want to order a new one but I see that the replacement wire (279457) only has a terminal at one end, the other is open. I would prefer to have the female socket on both ends as the OEM has it. isn't that safer? How can I find a part that has a terminal at both ends?

1 Answer

Michael, There is not a wire with 2 connectors on it as this is for if the wire gets damaged you would splice this wire to it.

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1 Answer

Kimberly, You would want to test the thermostat and thermal fuse to make sure that there is continuity. If this checks ok then the issue will most likely just be the heater.

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1 Answer

Hello Steve. The only way you will need a jumper is if you see 2 terminals open and they are not hooked together on the heater housing. Jumper wires are not available separately. You will only have 1 wire going to your heater. There will be a jumper from the high limit thermostat WP3977767 to the thermal cut off 279816. Then the thermal cut off will have a hot wire coming to the top spade on it. All dryers do not have the orange wire. This is common.

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1 Answer

Hello Lydia, This is a simple job since the spade connectors are different sizes. They will not plug in where they should not be. The large connectors go to the heater connectors. If there are more than one that will fit, they can be crossed with no adverse consequences.

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1 Answer

Jen, If the problem is the dryer won't heat, then you'll have the majority of the possible problems solved by replacing the heater and thermostats, so you're on track. You may also want to remove the front panel assembly, and vacuum any excess and residual lint from the base of the machine, as well as the internal components inside the cabinet. This could account for the "black and sooty" condition of the heater and housing.

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1 Answer

Repair husband, This sounds like it would have been a bad connection and would recommend making sure that there is a good connection and that there is enough wire from the harness that is good and has no corrosion on it.

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