1993 S10 Transmission Question

[vincent52100]

I have a 1993 S10 with a 4.3 and 4L60E transmission. I have a problem with my transmission not shifting. Originally I had a code 28 and a hard shift between 1st and 2nd. Transmission shop said 28 was Trans oil pressure switch. I replaced the switch. I also replaced the A and B solenoids, the 3/2 down shift solenoid and the wiring harness. Now it doesn't want to shift. It won't shiftvdown when you accel hard. You can only feel it shift once in a while. Shifting manually doesn't work. I've pulled the pan and see nothing obvious. What in the world have I messed up? Thanks for any help. I have a headache from beating my head against the wall!

[vincent52100]

Well, it was a dumb problem. Got to remember that when your lying on your back looking up things can be backwards. Had the solenoid in the PWM slot instead of the 3/2 downshift slot. Works fine now.

[txab]

[00Silverado4x4]

Hey at least you found the problem and were able to fix it without spending any additional $$.