This must be hard wired if u look in the back of the dryer u will see where the wires connect , should be a couple of screwss or nuts that connects them .. make sure unplugged . running 220 volts through there , will make ur hair stand up
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Did you replace just the plug end of the existing cord or the entire cord/plug cable at the dryer connection? You cannot just replace the plug end since the 4th connection is not made it won't work. The easiest solutiuon is to use a 3 to 4 prong adapter. See this video that explains it.
Basic Dryer Electrical
Electric dryers in the US operate on two 110 volt A/C circuits. The two 110 volt circuits combine to deliver 220 volts A/C to the dryer heater. See the basic dryer heat circuit. The dryer motor operates on 110volts A/C. Dryer receptacles have an L-shaped neutral post. You can check the voltage to your dryer by slightly sliding the cord out of the receptacle and using the leads from a multi meter to check for voltage on the blades of the cord that slide into the receptacle. Between the left and the right blades you should read 220 volts. Between the left or right blade to the center blade (the L-shaped blade) you should read 110 volts AC. The 4-post receptacle above has the L-shaped neutral and a seperate ground. It requires a 4 wire cord and the ground wire is isolated from the neutral on the dryer.
Technicians check for voltage when the dryer is attempting to start or not heating for a very specific reason. Checking for voltage without the dryer plugged in does not tell the full story. A dryer heater uses 220 Volts and draws about 20 amps when it is heating. Checking for voltage from L1 to L 2 on a defective circuit may show 220 volts but when the heater kicks in and starts to draw 20 amps the voltage may drop off to 0 volts. Imagine the wiring to your dryer was stranded wire. Stranded wire is composed of a number of small-gauge wires bundled together to make a larger wire. What if all but one of those stands were cut and only one small wire was completing the circuit? Reading voltage at the receptacle without the dryer plugged in you would read 220 volts from L 1 to L 2. However with the dryer plugged in and the heater attempting to draw a heavy current, the electrons (current flow) would be dammed up behind the cut and only a small amount of current would pass through the wire. Certainly not enough to make the heater heat. There are a lot of things that can cause a partial circuit but the result is the same as the stranded wire example. Many a heater or dryer motor has been changed needlessly because of a loose connection in the fuse box / circuit panel or some other dryer electrical circuit problem.
You can change the cord or the receptical...
It will be easier to change the cord...
Purchase a four prong plug cord that will fit into your receptical, then wire your dryer for 4 wire instead of three wire use.
To see a picture and explanation of how to wire your dryer for a 4 wire plug go to the following webpage.
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Do NOT try and change the receptacle please. It is dangerous and we do not want anyone getting hurt. In your case, it would be better to put a 3 prong cord on the dryer. Overall you could call an electrician to install the 4 prong receptacle, which will require new 4 conductor wire as well and run to the breaker box. Get a flat style 3 prong dryer cord and we'll tell you how to install it. Unless you call an electrician. ;-) If this helps you, please rate my answer. Thank you.
best bet would to be to buy a plug that matches your receptical.....this is somthing you do not want to monkey with as if not wired right could turn your dryer into a fire hazzard. white to white green to green black to black and the other wire goes to earth ground for like trailer houses and modular homes.
four prong sould be installed as followed, black and red go to eitehr ends( amkes no difference which, white goes to middle and the green wire gets screwed directly to the dryer cabinet itself( usually an existing green screw just outside the connectin box. if there no power after that then check to be sure oyou indded have 220v going to the outlet
Is the receptacle in the wall a four prong or three prong. You will have to match the cord on the dryer to the wall recepticle. If the wall is four prong the dryer cord has to be a four prong. The green wire with the yellow line, that is on the end of the dryer cord, is a cabinet ground and should be attached to the cabinet of the dryer and making good contact. The other three wires on the end of the dyrer cord attach to the terminal block.