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My roper dryer had a 4 prong cord. i changed it over to 3 prong. now it will not start

Converted from 4 prong to 3 prong. it will not start

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  • Roper Master
  • 8,220 Answers

Your dryer requires 120 for motor operation. It only needs 240 volts for heater operation. Since the motor is 120 volts it is on a different circuit than that of the heat. On your terminal block is a white wire in the middle, that is neutral and it is needed to drive the motor. On either side is a black wire and a red wire. The motor runs on the white and black circuit. The heater circuit runs on red and black.
The motor circuit has a fuse in it mounted on the blower wheel next to the control klixon. If it is open the motor will not operate just as the door was open, door switch is also on the motor circuit. The motor has to be operating for the heat to come on also because the heater wires go through the motors centrifugal switch.

Posted on Dec 31, 2012

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 262 Answers

SOURCE: 4 prong dryer cord to 3 prong dryer cord

YES NEUTRAL GOES IN THE MIDDLE L1 AND L2 WHICH ARE HOT GO TO THE LEFT AND TO THE RIGHT LIKE THE CORD IS LAID OUT

Posted on Dec 11, 2007

  • 1 Answer

SOURCE: I have a 4 prong

Purchase a 3 prong cord at a home improvement center. and replace your 4 prong cord. all you need is a screwdriver.

Posted on May 02, 2008

jsrock516
  • 5911 Answers

SOURCE: changing cord from 3 prong to 4 prong on frigidaire dryer

The following link explains how to convert your appliance from a 3-prong to a 4-prong power cord:

http://www.fixya.com/support/r793520-3_prong_4_prong_power_cord_conversion

I hope this helps you. Let me know if you still have questions.

Posted on Nov 11, 2008

Controlfrk
  • 304 Answers

SOURCE: need to change power cord on maytag dryer from 3 prong to 4

Always disconnect electricity before beginning this process.

All the 4 wire cords I have seen are color-coded. The white wire goes to the middle terminal, the green wire goes to any screw you can reach that goes into the metal case of the dyer. The red and black go to the outside terminals of the block and while it doesn't matter which color goes to which terminal I usually follow the color code of the interior dryer wiring that already exists. Good Luck.

Posted on Oct 04, 2009

canbruce75
  • 1776 Answers

SOURCE: changing dryer plug

These two pictures illustrate the power wiring on a the terminal of an electric dryer. The one on top is the old-style three-wire configuration. Most people have this type in their homes. New code changes, though, require that dryers now have a four-wire cord, shown on the bottom.
Besides the number of wires in each cord, there are two important things to notice. First, in the four-wire configuration, notice that the dryer's grounding strap is folded back on itself. The whole point of the four-wire cord is to separate the ground from the neutral. The green wire (the "new" extra wire in the four-wire cord) is attached to the dryer cabinet. In the three-wire configuration, the grounding strap is left intact and the neutral and ground are tied together.


Sure hope this helps you find a resolution to your delimma! Best wishes.


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Posted on Oct 07, 2009

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1 Answer

I need to change my 3 prong to a 4 prong


Unplug the dryer then remove the terminal block cover and disconnect the 3-prong cord from the dryer. Note that the cord has red , black, and white wires but sometimes the red and black wires are both replaced by same color wire, usually gray and can switch places. There's also a ground strap wire also connected to the center terminal together with the white (neutral) wire.

Get yourself a 4-prong cord and note that it has red, black, white, and green/yellow wires but sometimes, like the 3-pronged one, the red and black wires are both replaced by same color wire, usually gray and can also switch places. All you have to do now is connect the 3 wires in the same manner they are connected as 3-prong cord to the terminal block. The ground strap wire now just need to be connected to the remaining 4th wire, the green/yellow wire instead of the center terminal together with the white (neutral) wire. Reinstall the terminal block cover and it's done.

It can be observed that converting a 3-prong cord to 4-prong cord is merely splitting the neutral line and the ground thereby increasing the number of prongs from 3 to 4 whereas, on the other hand, converting a 4-prong cord to 3-prong cord is merely joining the neutral line (white) and the ground (green/yellow) thereby reducing the number of prongs from 4 to 3.. The links below might enlighten you further on this matter.

Four-prong to Three-prong Electric Dryer Conversion
Three-prong to Four-prong Electric Dryer Conversion

Aug 21, 2011 | Kenmore Dryers

1 Answer

Trying to change 4 prong into 3 prong


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Here is a tip that will help you with changing your dryer plug.


Dryer Cord and Wiring Dryer 3 Wire or 4 Wire




heatman101

Sep 10, 2010 | Roper REX5635E Dryer

1 Answer

I am going from a 4 prong to a 3 prong i do not have the manaul for the dryer and the 3 prong plug is not color coded there are 4 conectors and neutral on the dryer the 3 prong wire has 2 conectors and a...


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Here is a tip that will help you with changing your dryer plug.


Dryer Cord and Wiring Dryer 3 Wire or 4 Wire




heatman101

Sep 02, 2010 | Roper REX4634KQ Electric Dryer

1 Answer

I am replacing a 3 prong cord with a 4 since we have moved into a newer newer home and the dryer has a white wire attached to the frame instead of a green wire. Is the the ground and can I just place the...


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Here is a tip that will help you with changing your dryer plug.


Dryer Cord and Wiring Dryer 3 Wire or 4 Wire




heatman101

Aug 23, 2010 | Roper RES7646KQ Electric Dryer

1 Answer

Wiring for three prong power supply cord


If you desire to convert an appliance from a 4-prong to a 3-prong, make sure you reconnect the bonding strap and/or ground wire to the Neutral (white) wire at the terminal block.

Connections

Old range%25204-wire_cord_connection_250.jpg

New

range%25203-wire_cord_connection_250.jpg

Picture shown is for a range cord but is exactly the same for a dryer connection.

Feb 03, 2010 | Roper REX4634KQ Electric Dryer

1 Answer

Dryer cord


Your four prong cord has 4 wires. Black,Red,Green and White.
Remove the 3 prong cord from the dryer.
The Black and Red wires go to the outside terminals on the dryer. The White wire goes top the center terminal. The Green wire goes outside the terminal cover to any nearby screw for grounding.

Jan 03, 2010 | Roper REX4634KQ Electric Dryer

1 Answer

Roper Dryer


Changing from 3 to 4 wire hookup on a electric dryer:
Power cord help for 3 & 4 prong dryer cords 
This is an example of a three wire connection dryer cord hookup. Notice that there is a ground strap connected from the common center terminal to the frame of the terminal block. Place the center wire of the cord on the center terminal [ one with the ground ******** it ] and the other two wires will be placed on the outer terminals and it doesn't matter which wire goes right or left. Get the center wire of the cord right and you are in business. 
This is an example of the 4 wire dryer cord hookup. Notice that the ground strap has been removed from the terminal block frame and folded back onto the center terminal for storage. You can see the colors of the other hookups. TIP: White always to the middle.

Mar 02, 2009 | Roper Dryers

2 Answers

Kenmore series electric dryer need to replace 3 prong w/4 prong


The following link explains how to convert a 3-prong appliance cord to a 4-prong and vice-versa:

http://www.fixya.com/support/r793520-3_prong_4_prong_power_cord_conversion

If you still have questions, please let me know. I hope this helps you.

Feb 15, 2009 | Kenmore 62802 Electric Dryer

2 Answers

Changing cord from 3 prong to 4 prong on frigidaire dryer


The following link explains how to convert your appliance from a 3-prong to a 4-prong power cord:

http://www.fixya.com/support/r793520-3_prong_4_prong_power_cord_conversion

I hope this helps you. Let me know if you still have questions.

Nov 11, 2008 | Frigidaire GLER331A Electric Dryer

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