Car starter stuck. Can you reverse polarity for a second to free it up?

Im looking to buy a car that has a bad starter. Its a gamble that im willing to risk, since its so cheap The starter is very difficult to access. Cant even hit it with a rod. So my question is, if i can easily access the starter wires up top, and i have a separate power supply, can I reverse polarity to it for a... show more Im looking to buy a car that has a bad starter. Its a gamble that im willing to risk, since its so cheap
The starter is very difficult to access. Cant even hit it with a rod.

So my question is, if i can easily access the starter wires up top, and i have a separate power supply, can I reverse polarity to it for a second or two just to free it up, hook it back up to normal and see if that helps me start it up?

Ive never heard anyone do this, so im very curious.
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