90 Z28SS

I have the manual vb 700r4 in my 95 TA now , now I just have to get the TCC to work in 4th gear . Can anyone tell me , from the 4-pin connector on the trans , which terminal are the TCC selonoid control , and which terminal is the ground ?
Thats all I should need to know . I'm pretty sure I can use the TCC selonoid wire from the old 4L60E harness to get the power from my LT1 pcm , then groud the other terminal out . Hooked up like that , it should lock automatically in 4th gear only which is what I want . I'm pretty sure I'm right on that ....but any thoughts ?

I know painless makes a box to run lockup without a computer , but ...I'm a cheapa$$ and dont want to spend the money

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Derek 95 Trans Am convertible
K&N fipk , CSI h20 pump , hooker lt's , mufflex 4" , LT1edit , ET streets , 373's , !A/C , !smog
Best Et 12.771@106.89
Best 60ft. 1.820
MTI/GTP stage 3 LT4 heads , cc306 , hyra-rev , 1.6's , r lifters , full manual 700r4 , ST3500 verter , roll bar and more all in the garage waiting for install .
92 Z28 - 5.7/G92 , stock daily driver

IrocSS85

Im not sure w/your manual valve body, but on a stock VB the hydaulic press. isnt applied to that circuit till 3rd gear. Im gonna just make a manual sw. to turn it on at the strip and on freeway cruises. all you gotta do is supply power tothe soleniod pin. dont need to supply ground cause cause its grounded to the case I believe. I have a buddy at work that has one of those b&m lockup kits and he doesnt like it. when it comes on you can feel it hit and release when you hit the brake. says it fluctates on/off too often. its really annoying he says.

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1986 Iroc Z
355, ported camel hump heads,750 holley, 700r4, 10.5 compr., forged flat tops, solidcam .501I .510E, 4gen rear w/3:73 posi, girdle, and disc's, Edel. torker II, shift kit, 3500 stal, hedmann LT. headers, 4 gen seats, man. strg., lt1 starter, alum. w/p, msd 6al, coil, dist., mallory wires.13.34 @102mph best w/that combo. have trick flow heads and tighter conv. to put in currently.

1995 z28,SS Hood, Iroc style spoiler, tints and black outs, 700r4,2400 act. stall speed,B&M hammer shifter, 17" budnick trilogy III wheels, 275/40 ZR17, 160 stat, man. cooling fan sw., homemaid CAI,1LE elbow, hypertech airfoil, t.b.bypass,!cat, flowmaster, !maf screen, relocated batt., 1LE front l.c.a.s', poly trans and torq.arm bushings, MSD 6AL, custom program, p&p maf, accel coil, and under drive pulley

mods that i have, just not on car yet:
msd wires, edelbrock mid. headers, edelbrock rpm catback