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Old 09-07-2007, 09:07 PM   #1
cyclone85
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Lockup Torque Convertor

Is the lockup torque convertor on the TH350C electronically or hydraulically controlled? I was wondering because if it is electric I would like to hook to a switch inside the cab so I can switch it off whenever I am towing.
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Old 09-07-2007, 11:47 PM   #2
Ivan D.
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Re: Lockup Torque Convertor

electric - there's a plug on the driver side of the tranny IIRC, that's what controls it
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Old 09-08-2007, 11:09 PM   #3
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Re: Lockup Torque Convertor

Ivan's correct.

Here is a schematic that might help.

http://67-72chevytrucks.com/vboard/s...d.php?t=217155

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Old 09-10-2007, 12:19 AM   #4
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Re: Lockup Torque Convertor

Quote:
Originally Posted by Ivan D. View Post
electric - there's a plug on the driver side of the tranny IIRC, that's what controls it
You r correct sir!!!!
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Old 09-10-2007, 12:40 AM   #5
cochino12
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Re: Lockup Torque Convertor

Dont mean to hijack your thread here but would someone please explain what lock up means and what it does? use small words if you can I'm not much of a mechanic ha ha
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Old 09-10-2007, 09:43 AM   #6
swb85
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Re: Lockup Torque Convertor

A lockup converter has a clutch inside it that locks the two halves of the converter together at cruise speeds. This lowers the rpm, gives greater fuel economy and reduces heat in the tranny.
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