T Q lock up switch not working right - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 1 (permalink) Old 03-16-2014, 06:02 AM Thread Starter
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T Q lock up switch not working right

I installed a TQ lockup switch on my '01 cummins, just like I did on my 12 valve trucks.

when I activate the switch it locks up the converter as it should, then when I let off the throttle for a few seconds, the converter un locks (and will have no OD) then the converter will not lock up at all, and i have to manually shift the trans.

it will act like this until I shut the truck off and start it up again.

Any ideas

Jay Noone
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