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Darkpix hi,you can contact customer service cservice@banggood.com or live chat. They would help you.

2020-06-07 02:08:36 Helpful (0)
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Transjuicer thereare just 2 connectors so the polarity doesn't matter it's just a go / no go switch. Put it on the powerline or put it on the ground line (but not on both of course ;-)

2019-12-26 04:25:13 Helpful (0)
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