Porpoise Hork
Well-Known Member
Reconnecting it with the terminals connected could have caused the surge, or the tech accidentally grounded it out and it blew. If they had disconnected the battery first this probably would not have blown.The real question is: Why would reconnecting the BMS cable blow a 225A fuse? many people disconnect that cable to disable the ASS. I am sure some have reconnected it to restore ASS without problems.
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