wjkrostek |
01-09-2011 07:39 PM |
TC switch
I have a commercial 2004 GMC 350 flat bed with the 6 L and 4l80E very similar to the Sierra 350. Might even be the same, if you know the dif let me know to please. Anyway I would like to put in a switch so I can lock up the transmission TC. If you know how please let me know. I drive a lot of small roads at about 40 to 45 MPH and it just never locks up correctly. Made to lock up around 50 something and I just never get there. I'd also like to use it to help on the down hills too.
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