Why wont my truck shift gears?
I got this 1995 gmc sierra 5.7 , that stays in first
gear and have codes saying my 1-2 , 2-3, 3-2 shift
solenoids ,torque converter clutch. and ,torqe
converter clutch solenoid. Are not reading. What
could this be faulty wires ? Dirty tranny oil???
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