On this site, there are wiring diagrams in the find parts section. Keep looking they are there. On my SHU4306, I discovered there is an interlock for the front panel on the main power switch. The front panel must be installed for the main power switch to send power to the control module and other power rails on the drain/circulation motors. If you get no LEDs, I'd suspect the power switch or between the switch and the black-white-green power lines. On my unit, there are no fuses, motor circuit breakers or other links. If the unit shorts, it takes the external circuit breaker. Hope that helps.
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