Question about 2000 Ford Excursion

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Selector Switch Does Not Work on the Dash of my 2001 Excursion

Switch does not allow me to switch from defrost or panelit is stuck in the defrost mode when the unit is turned on

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: air flow selector

Your mode door is controlled by vacuum check the vacuum hose on the left side of the intake manifold. these some times fall off leaving your mode door with no vacuum and the default position of the mod door is defrost.

Posted on Jun 18, 2008

  • 4 Answers

SOURCE: blower selector switch not switching

more than likely you will need a new climate control switch unit
Scrap yard or eBay for less than $30 most times.
This is the cheapest, easiest and fastest way to check or repair these.

Posted on Aug 04, 2008

  • 12 Answers

SOURCE: 03 f250 w/6.0 4x4

Sounds like a problem with the elctronics to me?

Posted on Oct 03, 2008

  • 3 Answers

SOURCE: 4W will not turn on ford ranger 1999 4x4

that clicking sound you no longer hear is a relay switch behind dashboard ....aftermarket one's sold at all chain auto parts stores

Posted on Nov 25, 2008

  • 783 Answers

SOURCE: Vent control

You have a vacuum leak.Defrost is the default postion(no vacuum).
See if you can locate the small black vacuum line that goes inside the vehicle on the passenger side near the heater core. The trace it back,should see it going to a canister then to the intake manifold.Make sure it is not disconnected or broken somewhere.

Posted on Mar 02, 2009

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1 Answer

Selector for air mode stuck on defrost

This is caused by a low engine vacuum, the engine vacuum is low when you accelerate, the HVAC system loses vacuum to the mode control vacuum switch and defaults to the defrost ducts for safety. You likely have a leaking mode control vacuum switch in the control panel of the heater AC system (HVAC).

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sounds like the selector door the actuator hooks to is hangin up and not allowing it to switch heat to the lower dash, or possibly duct tube unhooked, anyone had it apart before??

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Sounds like the switch behind the selector is eithe broken, or stuck in that posiition (or internally) is not moving. I suggest pulling the heater/ac selector unit out and checking the levers from the back side.
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Oct 02, 2010 | 2001 Mercury Mountaineer

1 Answer

Selector stuck in defrost mode will not switch to vents

Defrost mode is the default as a safety feature. Could be a control motor that controls the flapper doors has died.

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In every car, there are fins or flaps inside the dash that rotate that distributes the air flow from the blower to the desired opening, ie defrost, floor etc... This flap is controlled by a linkage which is connected to the selector switch. It may be the linkage is no longer connected, or the fins inside the dash are stuck. If the selector switch moves freely with little or no resistence its possible the linkage is no longer connected, otherwise the flaps need to be physically looked at.

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When i turn on high beams sometimes my lights just go off. I then just keep flicking switch until lights come back on, 2003 impala. I also am having a problem with my selector switch that controls my...

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U have either lost the vacuum to the mode selector switch (in the dash control) or the vacuum mode selector switch is leaking in the ac/heater control in the dash, u can usually hear a hiss if it is leaking. the vacuum source is the engine, a small hose runs through the firewall on the passenger side to the switch from the eng vacuum source.

May 19, 2009 | 1994 Chevrolet S-10

1 Answer

2000 chevy silverado stuck on defrost

with the truck turned off pull the gear selector down to 1, tilt steering wheel as far down as it will go. now on the dash pull the trim ring 'bezel"
this is the piece that goes aroung the headlight switch over the gauges around the radio and the climat contols. once that is off the switch has to clips on on each side pull back both at once or one at a time the module will come right out

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more than likely you will need a new climate control switch unit
Scrap yard or eBay for less than $30 most times.
This is the cheapest, easiest and fastest way to check or repair these.

Jul 23, 2008 | 2001 Chevrolet Impala

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