Maybe one of you could help. wife was complaining about trani slipping or somthing. turns out overdrive not engaging till 45mph ish. the Q is.. is ther any vaccume controll or is this all ecm controlled? have hayes but not very detailed. looking for info on shift points/speed (mph) or tach and any possible sensor location. i just put a new V6 log block under the hood 8 mo. ago. no hype just stock. same stock trani. she has been crabb'n for about 2 weeks, i just discovered the actuall problem 3am this morning heading to work. she was right...somthing not right. Thanks for any help guys!