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Hey guys, So I have a had a bit of a lengthy project. I have a used inifinity spas hot tub (balboa z-series spa pack) with two motors in it, and one of the motors starting getting super loud consistently, low or high speed. I opted to replace the motor because it's around 10 years old and there was a lot of corrosion. During replacement of the motor, I came across a loose cable in my GFCI breaker box that caused the motor relay 30A fuse to fry on the spa pack. So I repaired the loose wire, replaced the 30A fuse, and replaced the motor. We made lots of progress, as the motor now turns on low speed properly; however, when attempting to change that motor to high speed, it buzzes loudly then shuts off. Using a multimeter, I determined that it's a voltage overload, as testing the low speed with common at the motor is 240v (as it should be) when jets are set to low speed, and the high speed wire with common is 0v, which is also good. However, when I set the jets to high speed, the low-speed wire is still 240v with the common, and the high-speed with common is ALSO 240v, so they're both feeding power simultaneously. It seems like the relay isn't turning off the low-speed wire when it turns on the high. Does anyone have any suggestion or thought? Thank you!