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Old 04-10-2007, 12:27 PM
david hill david hill is offline
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4t60 Trans Question

I Have Built A Sand Car With A 96 Riv Motor And 4t60e Trans. I Am Running A 97 Program In The Pcm From A Gtp That Had A 4t65e Trans. My Trans Will Not Hold Manual Low. It Operated As If It Were In Drive. I Have Checked The Trans Range Selector Switch To Insure The Pcm Is Being Told The Trans Is In Manual Low. All Checks Out. I Am Able To Get The Car To Hols First If I Disconnect The Speed Sensor. Does Any One Know Why The Pcm Would Tell The Trans To Shift Prematurely.
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