Whirlpool 4391974 Timer, Defrost 6HR. - AppliancePartsPros.com

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Part Number:	AP3109443
MFG Part Number:	4391974
Made by:	Whirlpool

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$29.49
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I am hooking up a Replacement Thermostat on my Magic Chef Refrigerator. The original timer has the following configuration: Terminal 3 Blue (Defrost Thermostat), Terminal 4 Orange (Freezer Fan), Terminal 1 White (Neutral (?), and Terminal 2 Yellow (Heater). Can I just plug in the existing wiring harness connector or do I need to rearrange the wiring to accommodate the new timer. I also have an extra wire coming from the timer. Where does that go.

Fred for Model Number BNT23L8A BL93B

Answer Hello Fred, The black wire on the timer should connect to the number 1 terminal. This will allow a defrost cyccle to take place every 6 hours.

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I just bought a defrost timer part # 4391974. The refridgerator has a four pronged plug: white wire from prong # 3 to neutral, orange wire from prong # 4 to the freezer fan, blue wire from prong # 1 to the temperature control, yellow wire from prong # 2 to the defrost heater. Can I just use the four prong plug without the jumper wires? If not, how do I hook them up and how do they attach to the time and/or plug? I don't really understand the instructions. Any help you may offer will be greatly appreciated.

David S for Model Number Norge refridgerator model NNT156G

Answer Hello David, The wire harness that you have should hook up as a direct connection with the loose wire coming from timer motor goint to terminal 1.

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hi Is the defrost timer on this model continuous(terminal1) or cumulative(terminal 2) The wiring diagram I have looks like the timer is energised when the thermostat makes. Im not sure if that means continuous or not. Thanks for any help, James

James for Model Number Roper RT18SKXJW00

Answer Hello James. Based on the model number, you have a Version 2 cumulative compressor run timer application.

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Hi, The compresser runs when not turned on for 48 hr.s or a week, Otherwise then it runs about 2 hr.s it dose get the frig cool, than the relay or the overload clicks it off, after that it just clicks . The frig has only been used for 2 years from new, But it sat in storage meanwhile. Defroster timer , the run capacitor, overload relay gunked up R- 12 ? Thank you ! Craig.

Craig for Model Number HMG 91750 admiral

Answer Hello Craig. Based on the information you provided, the compressor is bad and will need to be replaced on the unit.

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Where do I attach the black lead on the defrost timer for my refrigerator? I don't know if should use continuous or cumulative. Thanks in advance.

Marc for Model Number jrt192w

Answer Hello Marc, The black wire should be attached to terminal number 1 in order for it to go into defrost every 8 hours. This is the way I always have hooked up the timer. Even when the units' tech sheet calls for the accumulative wiring, it does not do the efficient job that the continuous wiring does. It prevents any accumulation of ice that isn't removed from the evaporator coils that will reduce unit efficiency.

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I followed the wiring diagram. Do I need to bend back #2,3,4 prongs to plug into four prong socket with only #1 prong? will not work when pluged in with 4 prongs.

John for Model Number part #4391974 defrost timer for crosley refrig.cns122m9a

Answer Hello John, The instructions are in the attachment. As per them, the present wiring diagram will have to be referenced to wire this part correctly. It should be either on the back of the unit or on a sheet usually behind the kick panel. It looks like you will need the neutral wire, (usually white), to the number 3 terminal. The loose lead on the replacement timer will go on terminal 1. The lead from the temperature control (sometimes yellow) will now attach to the number 1 terminal. The wire that leads back to the compressor (sometimes blue) goes to terminal number 4 and the lead that goes to the defrost thermostat (sometimes brown) will go to the number 2 terminal. I couldn't find the wiring diagram for your unit so you need to find the wiring diagram if the wire colors are different.

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Timer, Defrost 6HR.

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