Question about 1993 Chevrolet Suburban

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Lights in ac heat controls need replaceing

No lights in the heat ac control

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  • 73 Answers

If you have a haynes repair manual it will tell you how to change it,if not i suggest getting one either on ebay or at an auto parts store

Posted on Jan 15, 2013

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SOURCE: my check engine light, traction control light and

With very little to go by here. I'd say you need to check the igniton switch, sounds like you are loosing power.

Posted on Oct 13, 2009

  • 560 Answers

SOURCE: lost power to ac/heat control.

prob. a bad a/c control head

Posted on Jun 15, 2012

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My Kia Sedona 2012 minivan front heat and ac does not work while the rare heat, ac and defrost works


Are the controls lighting up? dose the blower motor work? If the controls don't light up you may have a control head locked up you can do a reset by unplugging the IOD fuse for 2 mins and then plugging it back in. If the all the lights work in the control head and the blower isn't working try turning the front blower on high and then tapping the motor itself if it works after hitting the motor you will need to buy a new blower motor.

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Lost power to ac/heat control.


prob. a bad a/c control head

Jun 15, 2012 | 1993 Chevrolet Suburban

1 Answer

Ac controls for eletronic control


could be a problem with the blend door. common on explorers. open glove box all the way down (bend in tabs to where it will open further than normal) . take flashlight and look behind it to top of black box inside dash. should be able to see tab for door moving while changing the temp. on the control unit. if it is broken should be able to hear cracking or popping from inside heater case.

Feb 18, 2010 | 1996 Ford Explorer

2 Answers

How to replace bulbs for ac/ heater control unit


1. Remove the dash around radio (just clips)
2. Remove 2 screws pointing up . (You do not need to remove screws which are parallel to the floor)
3. Remove screw pointing up on the bottom of the dashboard on left side of the driver (near left leg).
4. Remove 2 screws pointing up in the instrument cluster area.
5. Put car in 1st gear and gently remove black plastic surrounding instruments (it will have ait vents, so slide it carefully out not to damage foam insulation on air ducts; start on the bottom hear steering column) ; unplug connectors to clock and emergency flashers.
6. Remove 2 screws, now exposed, near instrument area, holding dashboard. (that was what I spent most time on, I didn't know about this screws.
7. Now gently remove (or move up) dashboard (around instrument cluster and heating controls.) Start next to ignition (careful not to damage the bulb next to the ignition.
Since you only need to get to the heating controls block, I only move up the dashboard next to it.
8. Remove 2 screws that hold the heating control and slide heating control out . This step is unnecessary If you totally removed the dashboard.
9. Pull out lever controls for fan speed, zone and temp
10. Use the screwdriver (flat) to pry 2 plastic tabs on top and on the bottom of heating control so black cover can be remover.
11. You did it! two bulbs are going to be under the cover.

May 19, 2009 | 2001 Toyota Sienna

1 Answer

One of the lights for the heat/ac unit is out


If you pull out that knob assembly that controls the drivers side heat behind it you will see little black clips that hold in the bulbs.But if you dont the bulbs are inside the controller and it will have to be disassemble to change them...

Mar 31, 2009 | 2003 Chevrolet Impala

2 Answers

AC display panel lights


You will need to replace the whole in-dash A/C control unit. Changing the small bulb won't rectify your problem, as the display is LCD.

Mar 12, 2009 | 2001 Chrysler 300M

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