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post #1 of Old 03-31-2018, 12:33 PM Thread Starter
Josh Gates
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Default hv Battery new cell and balance?

I have a 2006 Prius with 250K, Triangle of death came on, red car with ! in the middle came on. Christmas tree of lights came on. I took the HV batter out, replaced the bad cell. Then I hooked all the batteries in parallel and let it sit. I did not try to charge the battery. I let it sit over night with the new cells. When I disconnected the batteries and tested them, each cell was at a perfect 7.65 volts. Balanced? I would think so. I re-installed the battery. hooked all the connections up, turned on the car. RED TRIANGLE OF DEATH, CHRISTMAS LIGHTS, AND NOTHING. Before I took it apart, the engine would start and run, although very slowly. No acceleration. NOW nothing. Won't start, lights up, powers up/ WHAT AM I MISSING? ANY SUGGESTIONS.
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