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Methods to control 700r4 converter lock up clutch ?

13K views 11 replies 6 participants last post by  52 mike 
#1 ·
i would like to know how to wire up the sol/switch on the box to lock the converter can i use this in all gears or just overdrive
 
#7 ·
If you have no voltage to the sol.valve then it shouldn't be locked up. Why it stalls in gear,I don't know.If you have normally open pressure swtichs or switch they will act like an open curcit. I don't know if you know that the pressure switches on 700r4 come with two kinds, n.o. & n.c.I compleatly rewired mine using n.o. 4th gear pressure sw. only & n.o. sol. valve,both are grounded to the case.Didn't use the heat sensor so its only one wire.
 
#9 ·
my trans is rebuilt and i've only put a couple miles on it, i shifts fine thru all gears, but when i stop the engine dies. like i said there are no switches hooked up to tc lock up plug. also curious there are 7 detents in my overdrive steering column out of a chevy van, but i count only 6 positions on my tranny when i hooked up shift linkage. shifter on column won't go into 1st gear.
 
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