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Tuesday

Why brake lights only work when car is off?



If you need dis-assembly or replacement instructions for any other auto/car part, or you want to ask question related to your car/truck jeep problem then please leave the comment with your details, so I can provide you the required instructions and solutions.


Common problem,noticed many times,in many car models.
A defective brake light switch will disrupt the signal to all the brake lights,check or replace this switch. its located on top part of brake pedal arm.If you suspect your brake light switch may be faulty, check the fuse to be sure there is power going to the switch before replacing the brake light switch.
Some vehicles only allow the brake lights to work when the ignition is turned on and control this via a relay which may have failed so the function is reversed allowing them to work only with the ignition off. Relays can 'weld' their contacts together causing them to become non-operational.Check in the central (if so equipped) fuse/relay box; if you are lucky the cover will have a diagram of the fuses and relays.If so, locate the relay for brakes, check the part number on it, exchange it with the same part number from a different function and try (while parked) to see if this has cured the problem by turning the ignition on, tapping the brake pedal to see if they now respond.If so, the original brake relay is bad.
This details will help.
Thanks.
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For more car related problem troubleshooting:---

This are the sections, you can go through and click the link to read its troubleshooting.

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The Brake Indicator Light Stays On dash of car?

The ABS and Traction Control Lights stays ON dash of car?


Check Engine Light On car?

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How to replace Interior Lights on car?

 

Car lights not working, even after replacing the bulb/lamp?

Click this link below:--
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How to replace head lights on car?

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How to replace Parking, turn, and Brake Lights on car?

http://schematicsdiagram.blogspot.com/2011/06/how-to-replace-parking-turn-and-brake.html

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The car will not start?

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Car will not crank?


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Car has no spark?


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How to troubleshoot car battery?

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How to test starter solenoid?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-starter-solenoid.html

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How to test cars starter?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-cars-starter.html

How to replace starter in car?



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car will turn over but will not start?



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Car wont start?


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