they are inside the transmission.. you need to drop the pan and take the valve body off to get to them..... BUT!!!! before doing that check all wiring going into the trans.. if the wire is freyed or not making a good connection at the plug that...
My 98 Eclipse Spyder GS has a check engine light on. The error code is P1750 (shift solenoid). The car would shift through all gears smoothly until the transmission fluid would get to temp. Then it shifts from 4th to 3rd then back to fourth until...