92 Econoline wiring help

Debby Underwood New member Username: Momofteens Post Number: 1 Registered: Aug-06	Posted on Tuesday, August 08, 2006 - 18:32 GMT My 17 year old has a 92 Econoline, he put in a new head unit and now his transmission is shifting very hard. Could it be because of the wiring? It was running great before this. Any one have any ideas? I know this will cost a fortune to take it somewhere. Any ideas are TOTALLY appreciated!!!
Mick Silver Member Username: Makmillion United States Post Number: 150 Registered: Apr-06	Posted on Tuesday, August 08, 2006 - 20:35 GMT They have nothing to do with each other. He must beat on his van pretty hard or it's just getting old.
Mick Silver Member Username: Makmillion United States Post Number: 151 Registered: Apr-06	Posted on Tuesday, August 08, 2006 - 20:36 GMT Check your transmission fluid, make sure it's full...