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Do I understand correctly that the momentary application of 12v initiates lock-up and it stays locked or do you have to hold the momentary switch? In my case, since the circuit gets grounded to lock up I will need to provide voltage to the computer end of the circuit to fool it.
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Are you sure you don't have that backwards?
In the Previa, the TC lock is engaged as long as 12V is applied to the signal wire that goes to the solenoid. I will have to hold the switch to keep it engaged. I will later install a parallel on off switch so I can leave it on on the highway with out having to hold the momentary. I need the momentary for island driving because of the speed changes on my route and because the gearing is too low for the shift from first to second so I have to engage the lock part way through second gear.
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