Eureka Yellow Jacket Issue Solved for less than $20

After finding out that this vacuum is no longer available and there are no replacement parts either, I decided to see if there was a simpler solution to the issue of not stopping or not running. The motor appears to be pretty stout but it does produce a far amount of heat. The triggering relay for starting and stopping the vacuum is on a low voltage circuit board inside the exhaust side of the vacuum canister. It appears to malfunction after a number of years exposed to that heat. To change the $10 relay is just putting off another eventual failure again.
In the photos below you will see the circuit board with the blue relay. I eliminated the circuit board and direct wired the vacuum motor with the double spade connections. I taped the connections for additional insulation. I then reassembled the vacuum and tested it. Works great!
Next I ordered the 15 amp wireless switch and relay from Amazon. I reinstalled the vacuum and plugged the relay between the vacuum and the receptacle. I put the switch in the closet where the wife stores the vacuum hose and utensils.
The vacuum now works like a charm. Turns on and off every time.

Nice solution. Thanks for sharing and for the pictures.

thanks for this. Mine just had the failure where it stays on.

Brilliant!!!...thank you for sharing...just tested my motor taping the wires together...it works!...ordering a wireless switch now... thanks for saving me hundreds $...plus a lot of extra aggravation!!!

This kind of information is exactly why I joined the forum. Thank you for sharing this. Even if it does not fix mine, it is worth a try at such a low price, especially since these vacs have been discontinued. Thank you again.

I ordered and replaced the relay on the circuit board, but it didn’t fix the problem, so I went with the instructions provided above, and we’re back in business. Works great. Thanks.