Help w/ati sunpower

Loose tenticle

Manhattan Reefs
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I purchased a Ati sunpower fixture yesterday, it was second hand. After getting home and connecting it, the fans weren't spinning (seller informed me). Took out the fans to find out the wires were off the fan, meaning he need new fans. Not a problem i just dont want to buy new fana and that wont solve it. Any suggestions or help would be greatly apreciated.