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Help with Upgrade

Posted: Thu May 30, 2019 11:33 am
by djtuzik
Hi I purchased two 12volt battery set from ebay and changed the motors to trax 775.
The car worked fine but then stopped. I took the batteries to an electronics store and they said they are ok.
When the batteries are connected the car doesn't move at all. When I connect the old 12v powerwheels battery, the wheels do move a little. I'm using a new fuse as well.
What could be wrong with my setup?