Alright so after changing the timing chain gasket etc i finally have this car driving again! Unfortunately it is not shifting...only drive and overdrive seem to work...I went to autozone and read the codes, shift solenoids a and b. Whats that all about? I checked the wiring harness to the transmission (checked the one nearest to the front of the car) It was plugged in like it should. Am I missing something? Where are the shift solenoids and what not, I know next to nothing about transmissions except mine doesn't work! (oh auto tranny btw)