What would cause a TPS to go bad multiple times?

I have a 93 grand prix 3.1L that i have had for a few months now and after searching i found my TPS is the source of a lot of problems. Something is causing it to go bad like a short in the system or something. My question is what could cause them to go bad and how can i fix/ find it?? please help all my points... show more I have a 93 grand prix 3.1L that i have had for a few months now and after searching i found my TPS is the source of a lot of problems. Something is causing it to go bad like a short in the system or something. My question is what could cause them to go bad and how can i fix/ find it?? please help all my points goto best answer..
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