This is a fairly common Ford problem. What happens here, is that the blend door actuator moves normally, but the blend door is cracked where the actuator drive fits into it. You're going to need to replace the entire HVAC case. Contact your Ford dealer parts dept. and have your VIN handy. Keep some lube handy before making that phone call.
You can switch the traction control system off using the switch to the left of the radio on a 2000 Ford Windstar
Were is the antitheft switch
In the cargo area , on the passenger side , behind the service panel ( on a 2000 Ford Windstar )
The 2000 Ford Windstar ABS relay switch is located on the firewall in the engine compartment. The relay switch will be on the passenger side of the engine compartment.
Fix wind star climate control switch
On a 2000 Ford Windstar : ( Yes ) The fuel pump inertia switch ( shut off switch ) is located behind the service panel , in the cargo area , on the passenger side
check bulbs, fuses & reverse switch
Probably dirty contacts in the switch.
where is the tcm in a windstar 2000 located
Behind the service panel on the right side of the cargo area
This is part of the multi-function switch on the steering column. See "Related Questions" below for more details on replacing it.
Replace the switch. I had the same problem. You can purchase the switch at any auto parts store it easily clicks in and out.