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Re: 89 chevy trans question
Posted to Transmission Forum on 3/25/2020 1 Reply

The early TH125's were notorious for the converter staying locked. Can't say I ever saw it on any of the RWD transmissions. But I'm not officially a trans guy either.

I would start by unplugging the TCC connector on the side of the trans. Maybe pull the insp... Login to read more.

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