How to get to wiring plug

If you're talking about the cord that you pull out from the reel located at the rear of the machine, you'll have to take the top cover off first. Usually two philips head screws located under rear exhaust cover and one maybe two near the front end. Once that is removed, there will be two more philips screws, one on each side of the top rear of the machine and one on the bottom. Remove all three of them, pull about a foot of cord off of the reel and get it to catch, the using the heel of your right hand, hit the very back of the machine, (the rubber bumper part) on the top with a motion pulling toward the back. This may take a couple of tries if you're not used to removing this part, but one or two swipes should eventually loosen the rear cover. Once it is loosened you may carefully pull it out of the back end of the machine and take off the two wire connections. This will free up the cordwinder assy. so you can take it to a spot where you have some room to work. Now lay the assembly on it's back and take the four screws, one from each corner of the rear cover, out and lay them aside. Thread the cord plug through the opening and wind the free cord back onto the reel, allowing the spring to pull it slowly out of your hand and then wrap the plug end around and around the reel till the spring is unwound, then you can remove the "C" clip from the center post, sometimes hidden under a cardboard washer. With the clip removed you can gently pull the cord reel up and off the post, carefully bringing the rewind spring up and off it's post as well. If you've tested the cord and are sure that it's your problem then you can cut the remainder of the cord from the reel and throw it away. The reel is easier to deal with without the cord on it. Turn the reel over so the back cover is exposed, there should be three screws that can be removed so you can take the connections loose from the posts inside and make ready for the new cord. Once you've attached the new cord and tied your strain relief knot, like the one you removed, you're ready to wrap the cord onto the reel and just reverse the procedure. When you get ready to put the loaded reel back into the cordwinder body, just before you put the cover on, wrap the plug end around the reel three times. This loads the spring so that it will pull the cord completely back into the unit. And it doesn't hurt to drop a spot of oil onto the top of the post for the spring.