Posted by roba300 on Apr 17, 2009
I bought the 4387535 kit and it has no wires or instructions with it. It looks different that the white piece that I took off. It came with a flatter piece as well. I am not sure how to hook this up. Do I take the black wire off of the original round piece and hook it up to the flat piece. IOr do I leave the round piece on and hook the other end to the new flat part. If I take it off, do I cut the black wire off becasue the piece connected to the round piece is not budging.
Also, do I hook the green wire up to the prong connected on the flat piece.
You don't need to keep the round metal piece or the black wire that you take. The replacement part (flat one) is installed in its place. Put it in first, attach the green wire to it, and then put the two prong piece and install the wires (blue, white and brown) as you took them off the original part.
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If it's not cooling and the internal lights and fan are working, then the problem is either the start relay or the overload relay. I checked the model number you posted and I didn't get any information for the number. Please double check the number that is posted inside the unit. In the mean time, take a look at this relay kit. It is a combination start relay, run capacitor and overload relay all in one. Usually the start relay will run you around $25.00 alone so this is what I use to repair this type of problem at a fraction of the cost. Again, please check that model number again and I will get you the pricing for the individual parts. It is best to replace all the relays if one goes out.Here is a link to the ERP410 relay kit. Regards,Richard
the whirlpool part is the oem part and is the best part for your repair it should replace wire for wire and require very little instruction. the 3-n-1 will cause premature failure of the compressor and is not recommended. As far as I know there really isnt a service manual available for the skybox. It was a very limited production product that didnt stay available for very long. thnaks Peyton
Maytag never offered a replacement compressor for the SkyBox units. It was not a cost effective repar to make. If you are sure the thermostat is supplying 120VAC to the compressor, you can install a Supco URCO410 relay/capacitor/overload kit. This part should only be installed by a qualified service technician.
I just replaced my in-pieces starter relay and thermal swich with a Whirlpool 4387535 kit. My Skybox has been working fine ever since.
Note I had the same symptoms as other posts of the compressor turning on/off continuously (but no cooling)...I believe what was happening is that the starter relay would allow current to flow to initially start the compressor, but would never stop providing current to it after it had already started (as it should) thus in a few seconds the thermal switch would sense this and trip / remove power to the compressor...then this cycle would start all over once the thermal switch cooled down again and let power back to the compressor...
This kit is evidently the newer style of what is on the original Skybox compressors (functionally speaking)...the new starter relay looks and installs like the old one, but the thermal switch is different and you need to remove the old one (follow the black wire on the top post of the compressor back a little to a small black round thing with a flexible metal piece inside). The good news is that once you remove it, it already has the correct spade lug on the wire to plug directly into the new thermal switch which sits right on the top lug of the compressor above the starter relay.
Note I'm not a service tech, just a Skybox owner who was/is tired of Maytag disowning this product and calling it a "throwaway" when any part of it stops working (and all local authorized service centers laughing when asked to repair one).
Continuing on with my rant a little, I also see other posts on the internet which also state "throwaway" when you actually have a bad compressor because you can't get direct replacements anymore - my friend who does AC work on the side said he most certainly could put another compressor in there from probably just about any other mini-fridge...he just noted that it is a small place to do it so the replacement compressor form factor will have to be considered. He stated you may get a little more or less cooling efficieny but who cares if you really want to keep your machine working that you can't buy anymore (nor get a close alternative).