Question about 2007 Toyota Corolla

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Where is rear window defogger relay located on 2007 Toyota Corolla

The light comes on when button is pushed and the fuse is good, so I am thinking either the relay or switch. Can't find the relay.

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  • 276 Answers

Did you check the fuse panel on the outside under the hood drivers side near battery

Posted on Jan 30, 2018


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Posted on Jan 02, 2017

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SOURCE: 2001 Sienna rear window defogger doesn't work

There are 3 fuses that control the rear defogger, and 1 relay

The fuses are: 10 amp HEATER, 10 amp MIRROR-HEATER; under the dash
The 30 amp DEF fuse is in the fuse box under the hood
The relay is the DEFOGGER relay, which is on the back side of the fuse panel under the dash

Also, check for a loose wire on the defroster grid (on the back glass), this is the most common problem.

Posted on Oct 20, 2008

  • 329 Answers

SOURCE: 2003 Toyota corolla A/C compressor not coming on fuse good, A/C charged, no pwer at compressor

it is located in the engine compartment fuse / junction box it is on the drivers side then cover to the box will show you witch one it is ( the relay will be white in color)

Posted on May 30, 2009

  • 11896 Answers

SOURCE: 2007 toyota corolla stop accelerating, pushing gas

throttle position sensor needs to be changed

Posted on Jul 10, 2009

  • 2007 Answers

SOURCE: 2001 Toyota Corolla high beam lights are not

Your switch must be working since your indicator is telling you when the high beams are on, so my guess is that your bulbs are faulty. The high beam part. They probably burnt out one at a time, so you didn't notice until the second one went. Change your bulbs, and see if that solves it. If not, let me know.

Posted on Jul 23, 2009

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SOURCE: why do my headlights not come on when the fuse is


Posted on Jun 07, 2010

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3 Answers

My horn no longer makes sound i checked the fuse it is fine

Your horn is hooked to a relay. The relay is activated by the ground wire that comes from the horn button. If the fuse is ok then you need to check the relay and the horn switch. You may have a dead relay or a bad contact from the switch.
Hope this helps... Dale

Apr 20, 2011 | Jeep TJ Cars & Trucks

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2001 Buick Century turn signals do not work. Fuse is good. Brake lights work. Where is the relay?

No relay,if they don't come on at all,bet on the turn signal switch,if they come on and don't flash,it's the flasher.
Make sure the emergency flashers aren't on.(if the 4 way flasher is bad and the button is pushed ,it will kill the signals)

Apr 03, 2011 | Buick Century Cars & Trucks

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2005 nissan xterra brake lights out bulbs are good is it a fuse problem

fuse, relay or brake switch--hopefully not the ABS controller.
First check fuse 20--I think it's inside. If godd, go to next step.

The relay is usually in the engine compartment relay box, but may also be near the fuse in the car.
Swap the relay with a similar one. The horn is my favorite. If this fixes it, buy a relay for the horn.
If not, go to next step.

The brake light switch is above the brake pedal. It may have one or two connectors on it. Looks to me like yours should only have one. I have pasted a picture of it below. First look to see if the button is coming out when you push on the pedal. If not, the spring is broke inside--replace switch.
If button works, pull the connector off and use a big paper clip to connect the terminals inside the connector. If this puts the lights on, replace the switch. If not, go to the next step.

The EBCU receives the actual brake switch signal and then turns on the brake light relay. You can interrogate the relay socket to see if the EBCU is sending that ground signal to the relay socket. Use a 12 volt test light to check the socket. Hook the test light clip to engine or chassis ground, then probe the socket terminals. 2 of them should be hot. Leave your probe in one of the hot ones and take the clip off the ground point. Then have someone step on the brakes while you probe the other 2 terminals with your light clip. If one of them lights the test light brightly , the signal is coming thru. You can also verify this by pushing the relay into the socket while some has their foot on the brake. The relay shouild click if the signal is there. If the signal is there, the problem you have in the wiring from the relay socket to the brake lights.
If the signal is not there, the problem is with the ABS control unit (ouch).

Let me know if you have any questions.


Nov 27, 2010 | 2005 Nissan Xterra

1 Answer

One day all my lights were working and the next all except brake lights were?? I looked at switch (didntknow what i was looking for) all fuses are good..

to check the switch, first observe if the button moves in and out when the pedal is pushed. If the button doesn't come out, the switch probably has a broken spring. If the button comes out OK, remove the connector and connect the terminals in the connector with a big paper clip. If this turns the brake lights on, replace the switch.
If neither of these works, the problem is likely with the relay. Try swapping the relay )usually in the engine compartment relay box and marked STOP or STOP LTS) with another similar relay (horn relay is a good choice).
If none of this works, please get back to me.

Nov 13, 2010 | 1998 Dodge Intrepid

1 Answer

I just bought a 2000 Saturn SL 4-dr sedan. It's in great shape, but the horn doesn't work and the dashboard light don't work. Is this a simple fix with replacing the fuses or dash light or is it a little...

Check fuse for horn and for dash lights. If the interior lights work then suspect dimmer switch for the dash lights. If you press the horn button do you hear a click under the hood or inside the car? If you do not then the fuse is blown and if the fuse is good then the relay may be suspected bad. If the fuse is good and the relay clicks then suspect the horn to be bad. If fuse is blown and you put a new one in and you push the horn and the fuse blows again, then disconnect the horn before replacing the fuse again. Then push the horn button and see if you hear the relay click if you hear a click the the horn is bad or wiring butmost likely the horn. If you have the horn unplugged and the fuse is good and you push thee horn button and no relay click suspect the horn button to be bad. Hope this helps.

Sep 06, 2010 | 2000 Saturn SL

2 Answers

Bought an 2004 honda accord and the horn does not work. What is the procedure for repairing this issue?

simple circuit, but can be hard if problem is switch in steering wheel. First check fuse and relay at fuse box. relay should click when horn button on wheel is pushed. If relay doesn't click, either button or relay is bad. If relay clicks, test for voltage at horn. You can use a simple test light available at the auto parts store if you don't have a voltmeter. If there is voltage at the horn, replace horn.
If relay does not click, replace relay to see if that fixes your problem. If new relay doesn't fix, you have a bad switch in the steering wheel or possibly bad wiring. cannot help you with switch as it's different on every car. any questions--let me know.

Sep 06, 2010 | 2004 Honda Accord

1 Answer

Four Wheel Drive switch lights at start up, but does not engage

The four wheel drive indicator light switch/ shift cable housing should be mounted on the front drive axle. The cable actuator vacuum diaphragm, or the switch assembly could be bad. You might want to check those. I hope this helps.

Dec 07, 2008 | 1994 Chevrolet S-10 Blazer

1 Answer

Locked gearshift, no brake lights

If you are SURE that the brake light fuse is good? If so, check the brake lamp switch above the brake pedal, see if it is somehow disconnected. Check for power, at both sides of the brake fuse...and, check for poweer coming into and out of the brake switch (when pushing the brake pedal) with a 12 volt testlight. If the brake fuse is good, and you have power coming TO the brake switch, and not out of it, you need to replace the brake light switch.
OTOH, the brake switch just might need a small adjustement, too...If power is at both sides.
Note that the brake light switch ALSO powers/releases the shifter lock solenoid. You cannot take it out of park without pressing on the brake pedal.
Hope this helps you solve your problem.

Oct 07, 2008 | 1994 Toyota Camry

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