You can use a tc lock switch to engine brake down scrabbley hills.
Perhaps not really recommended in terms of gearbox longevity but desperate circumstances........
Using a switch in lew of automatic lock up when driving around would get old real quick.
Brake circuit high (+12v)is a input into tcm, it will not lock the tc while the brake circuit is earthed like when the Break peddle depressed
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Obd1 scanner.
'95 sport,4.6 stroker, 4.5" lift, 32"s, 4:10's, 8.25&SYE, taurus fan
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