i replaced my transmision control solenoid today and now my truck wont start?

[RobbiePinto]

i have a 1997 dodge ram 1500 auto transmision, i replaced my transmision control solenoid today and when i was finished i tried to start it but it wont start, it wants to start but it wont. i replaced the starter 2 days befor so i know its not that, the battery is fine, i connected it correctly, i was driving it all day but right after i dropped the tranny pan and valve body and put the new switch in , now it just wont start, can some one please help me find out what is wrong?