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Old 11-02-2021, 11:07 AM   #10
pjmoreland
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Join Date: Jan 2005
Location: CA
Posts: 5,309
Re: 700r4 Lockup light

Quote:
Originally Posted by 67 Burb View Post
If you are not using a vacuum switch, what happens when you are passing or pulling on a steep grade and need the TCC to unlock?
It forces you to handle the situation manually. You either have to shift into 3rd, or you have to flip a manual unlock switch on the dash.
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