I have a 01 dakota quad cab sport my TCCM was bad I had no lights on my 4 wheel drive switch or or service 4wheel drive dash ight want on after I changed the TCCM I got a service 4wheel drive dash light and my switch lights up when I turn the key on them goes of and still have no 4wheel drive tried resetting the TCM Still nothing what else is wrong with the 4wheel drive