It should be located on the driver side valve cover, towards the back. To remove it, grasp it firm and wiggle it out, be careful not to dislodge the rubber grommet because it is quite a job to get a new one to fit.
No.
It is inside the transmission, on the valve body.
99 Durango doesn't have a Heater Control Valve, It only has a thermostat
You don't. Take it to a qualified repairmen or to the dealer.
Turn counterclockwise while pulling out.
It is on the passenger side of the valve body, inside the transmission.
It is the four wire item on the back of the throttle body.
The 1999 Dodge Durango overhead console wiring connections are beneath the overhead console. You will need to remove the overhead console?æin order to access the wiring connections.
Yes
Yes.
No, a 1999 Dodge does not have a reset button.
It is the four wire sensor on the valve body inside the transmission pan.