Quoted from ubafan:
I purchased a new in box metallica led pro. Game was manufactured October 2018. I purchased a sam system shaker motor from marco which appears to match all the wiring except for the j3 adapter. Without the adapter, turning on the power to the game, the shaker motor runs continously. I can't seem to find any info on this particular issue and I can not find any other j3 adapter info. Any help would be appreciated. Until then i have unplugged all cables. Thank you
I’m having the same issue on a NIB Met Premium. Did you ever figure it out? Thanks.
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