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I previously fixed a Maytag LAT8740AAL washer made in August 1992, Maytag LAT8740AAL won't agitate, by replacing the original WP207373 timer with a used WP207373 timer I found on Amazon. A week ago a new problem occurred. As some laundry was being washed, a loud POP was heard after which the washer stopped working, no agitation, no draining of the water, no rinse cycle and no spin cycle. We took out the clothes and drained the water by hand. I checked the belts on the bottom of the washer I also previously replaced and they appear okay. When I turn the timer dial to the wash cycle at say 4 minutes, the tub will fill with water but then stops and does not start agitating and does not advance through the wash cycle to the drain, rinse or spin cycles. I found this post from another website pertaining to a different washer model that suggests the control panel shorting out is what caused the loud POP sound. I assume that "control panel" for my Maytag LAT8740AAL means either the timer or the timer motor though this Control Panel service manual page shows other parts that may have shorted out and be the cause of the problem: Part 10, Water Level Pressure Infinite Switch, Manufacturer Part Number WP207360 Part 17, Speed Control, Manufacturer Part Number 207370 Part 23, Switch, Temperature Control, Manufacturer Part Number 207367 I opened the control panel and there doesn't seem to be any obvious damage such as burn marks or black soot on any of these parts. I think it is the timer and I did find a brand new OEM WP207373 timer for about $100 but before I buy it, I wanted to get any advice on how to diagnose which part is actually bad and needs to get replaced. Any ideas?