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Engine/Transmission (1994 - 1998) Need to know basis!! 96 ram 1 ton 47RE need help!

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2nd Gen Non-Engine/Transmission Running without fan

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BBowers

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Do I have a 47RH or RE, it's not shifting to OD!!transmission probs!

Ok, after trying the lift the brake pedal trick, replacing the TPS, I unplugged the 2 wire connector that connects to the 1 inch diam 2. 5 inch long white plastic sensor/switch? that has a magnetic tip that stays inside the transmission oil gallery. WHen I unscrewed it (3/4" threads), transmission fluid poured out. I screwed it back in after writing down the numbers on it. It installs in the drivers side rear of the transmission. tHe device also has a blue o-ring to seal it to the transmission housing. The story all begins with the transmission not shifitng to OD when warm. Before this it would shift in and out erratically between 3rd and OD. The OD kill switch pushed in did nothing to stop it, though it would light up. The cruise control does not work either, but this problem developed after the cruise crapped out. Anyway, after disconnecting this 2 wire connector from this round module on the back of the transmission, the transmission began working great. SO, what is the module? It's not a trans temp sensor beacuse i bought one and it looks totally different. The new trans temp sensor is brass and smaller in diam and shorter than the plastic piece. It also has a different plug shape, though slight, and wont plug in to this mystery module harness. And, i found nothing resembling the tts or anything else in any of the transmission lines under the truck or plugged into the transmission itself. HELP!!!!
 
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Hey, sounds like you are looking at the output turbine sensor to me. installs on the driver side of the overdrive unit.



Dave
 
Well, thanks Dave, you were right, but I beat you to it! I called the local mopar dealer and the parts guy knew what it was immediately. Too bad they didnt rpelce it before today, since replacing the "output speed sensor" on the transmission, $24. 18, fixed the problem. Their stupid analyzer said it was an internal transmission prob. WHy didnt a tech plug in a test mule speed sensor and then take it for a spin? hmmmmm..... , anyway I hope you guys with the no shift or hunting shift between 3rd and OD will read this!!!
 
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