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I have a GEM car we are using for work. The person driving it melted the terminals on one of the batteries at one point. We have gotten the batteries tested and all report no dead cells and good. The problem now is that the delta q 72volt charger is not charging the batteries at all. All wiring for the battery series is correct and tripple checked. The error from the charger itself is error #4. We got that from the flashing algorithems. Anybody ever ran into this problem before?
 

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Pictures of how you connected the red/black/white wires?

White needs to connect to black to enable the charger
 
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