1998 dodge durango5.2 i changed ac blower motor now fan will only run when key is on the on or access. position when istart car no blower motor, tried changng ignition switch no help,,also door locks are now not working along w/ domew lite when door opens, but will go on w lite switch, sometime blower keeps running when ignition switch is off & keys are out, then i just hit a power window button & blower motor turns off.