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Defrost light &Running light blinking all the time can't turn air conditioning off or on except at power point

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 48 Answers

SOURCE: Everytime I turn on the

This is normal....everything is working fine...if the window is being defrosted.

The defrost on a car works by using the A/C to remove the moisture from the air (thereby lowering the relative humidity)
It also lubricates the seal within the A/C unit during the winter...reducing the chance of seizure/failure during the following summer due to lack of lubrication.

Posted on Oct 07, 2008

Big Poppa Ma
  • 302 Answers

SOURCE: The airbag light blinks after starting

I bet you have a ground wire loose or relay gone bad. One little thing will throw off your whole vehicle. I would check the relays, fuses and ground wires. But it is definitely electrical and hope its not BCM

Posted on Dec 06, 2008

  • 68 Answers

SOURCE: air conditioning light blinks, turns off

either the belt is loose or there is a compressor issue (either the clutch or the compressor is most likely shot)

I used these guys for my last one to have it shipped to me. If you haven't done this before it is not an easy DIY job (you need a vaccum pump, and gauges to do it correctly

http://www.discountacparts.com/

Posted on Feb 05, 2009

hardinfarms
  • 144 Answers

SOURCE: When I turn my vent selector to defrost on the far

It's normal for the A/C compressor to come on with the defroster to dehumidify the air so the windsheild won't fog up under humid conditions. You can still control the air temp. out the vents with the temp. select switch.

Posted on Jul 19, 2009

  • 1 Answer

SOURCE: a/c light blinks

The only problem with your air conditioning light blinking in the 4runner is a bad relay. Toyota has updated the relay to part #90987-02028. Call your local Toyota dealership for this relay. You can buy it at the parts counter. It is about $65. It takes 1 minute to replace. This is the first thing you should do to troubleshoot the AC blinking light. I had the exact same problem with my 2003 4runner and this relay resolved my issue. This same procedure is for the Camry and other Toyota models with the same blinking AC light, but the relay part number might differ.

Posted on Jul 26, 2009

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When my car turn on start switch...eng running. I don't turn on a/c switch but compressor pully and clutch are running together Is it ok or problems? Car is BMW e90. 323i 2010 year Thank you


Is the heater control in the defrost position? Most cars will automatically turn the air conditioning compressor on when defrost is selected to dehumidify the air being directed on the windshield. This keeps the windshield from fogging up, and helps defog the windshield more quickly if it is already fogged up.

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Why does the air conditioning light blink when the defrost is on in my 2003 mitsubishi eclipse


Because on most vehicles your defrost is tied in with your air conditioning,They have it that way,That your widows don,t mist up when it is (Raining) Out, It explains this in most owners manuals for your car,Where it shows you the different settings for your heater. The high pitch squeal is your belt sliping on the air conditioning compresser.It is probally loose or needs to be replaced.

Oct 18, 2012 | 2003 Mitsubishi Eclipse

1 Answer

2003 Ford Taurus air condition switching to defrost at high rpm; speedometer, tachmeter, odometer quit.


Hi Bret, Most modern vehicles have an engine main relay. The relay in question turns off all auxiliary circuits for the starting operation, (when you turn the key to the start position) which consumes more power than any other operation. I would suspect a problem with the wiring to that relay. A loose or bad connection at the base or to the base. The relay in question will usually be a five pin normally open normally closed relay. It should be identified by the directory printed onto the plastic cover of the relay / fuse cover. Also check the secondary connections to the battery. Regards John

Jun 24, 2012 | 2003 Ford Taurus

2 Answers

I have a 1993 VW Passat VR6, My problem is when I try to start it, I have no spark from the spark plugs..What could be the problem or how do I fix this?????


GO TO THIS SiTE TO CHECK THE FUSE BOX!
http://vwtech.no-ip.info/images/golf/post90.gif

This are the FUSE and RELAY number SLOT!
Fuse No. Description Ampere Rating 1 Headlight, low beam, left 10 2 Headlight, low beam, right 10 3 Instrument panel lights, license plate lights 10 4 Glove compartment light 15 5 Wiper/washer 15 6 Fresh air blower 16-valve only: Air conditioning 20 7 Taillights, side marker light, right 10 8 Taillights, side marker light, left 0 9 Rear window defogger 20 10 2.0 16-valve only: Fog lights 15 11 Headlight, high beam, left,High beam indicator light 10 12 Headlight, high beam, right 10 13 Horn 16-valve only: Radiator cooling fan 10 14 Back-up lights, washer nozzle heaters 10 15 2.0 16-valve only: Engine electronics, stabilizer valve, cold start valve 10 16 Instrument panel warning lights, 16-valve only: Multi function indicator 15 17 Emergency flasher switch, turn signals 10 18 Fuel pump, oxygen sensor heater 20 19 Radiator cooling fan, air conditioning 30 20 Brake lights, cruise control 10 21 Interior lights, digital clock 16-valve only: Luggage compartment light,multi function indicator, central locking 15 22 Radio, cigarette lighter 10
Relays Relay No. Description 1 Air conditioning 2 Open 3 Digifant control unit 4 Load reduction relay 5 Low coolant level control unit or Open 6 Emergency flashers 7 Rear Wiper 8 Intermittent wipers 9 Seat belt warning system control unit (possibly headlight warning too?) 10 Fog lights 11 Horn 12 Fuel pump (except diesel)Glow plugs (diesel) 13 Radiator cooling fan after run (except 16-valve)2.0 16-valve: Starter interlock relay 14 Automatic trans., coolant temperature indicator,starter interlock relay (except 2.0 16-valve)2.0 16-valve: Radiator cooling fan after run 15 ABS pump relay 16 ABS relay 17 Heated seat control unit, driver 18 Heated seat control unit, passenger, or power seat circuit breaker 19 Automatic transmission 20 Open 21 Power window relay, ABS hydraulic pump fuse 22 ABS valves fuse 23 Air conditioning, power seat fuse 24 Power window fuse

Nov 17, 2010 | 1993 Volkswagen Passat

1 Answer

Air conditioning comes out of the defrost except on deceleration then it comes out of the dash vents like normal


Good Morning. Where the problem lies is in the vacuum that operates your air conditioning there is a one way valve that lets it keep pulling vaccum that might be going bad, Also there is a vacuum canister that should hold enough vacuum to sustain it. Hope that sheds some light on the situation.

Aug 13, 2010 | 2000 Mercury Grand Marquis

1 Answer

Air Conditioning on 2001 Mercedes-Benz CLK


You could remove fuse 25 (30amp) in the underhood fuse panel, but then no blower for AC, heat, or defrost. Need to replace blower regulator.

May 18, 2009 | 2001 Mercedes-Benz CLK-Class

1 Answer

Kia rio air conditioning light?


The manual instructions are basically:

Turn the fan to 0 (off, far left).
Turn the air control to full defrost (far right).
Press the recirculation button at least 5 times within 3 seconds.

If you've done it right, the recirculation button light will flash a few times at about 1/2 second intervals.

I've tried it on mine and this works.

Feb 14, 2009 | 2003 Kia Rio

1 Answer

The airbag light blinks after starting


I bet you have a ground wire loose or relay gone bad. One little thing will throw off your whole vehicle. I would check the relays, fuses and ground wires. But it is definitely electrical and hope its not BCM

Dec 06, 2008 | 1997 Nissan Pathfinder

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