Left rear brake light stopped working but bulb and fuses are OK.
Dashboard warning system indicates brake light failure.
Left rear brake light does not work when brake pedal depressed.
Bulb checked and definitely not "burnt out". Fuses checked and definitely not "burnt out". (All 5 amp fuses checked and OK)
Car is 1999 A4 Saloon.
left rear tail light is out. but the park light still works.
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Re: Left rear brake light stopped working but bulb and...
These are Dual Function Bulbs. They control the Parking Lights and the Brake Lights. This Bulb is Burnt out on the Brake Coil inside the Bulb. I have actually seen Bulbs that were Bad But you could not Tell by jast looking at them. It should be fine with a New Bulb. Please Rate My Response! Thanks!
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It could be alight with two filaments...I.e. The brake light which means the circuit on that cluster is reading open thus activating the warn light.try swapping the brake light for the right and see if it corrects the problem then go get some replacement bulbs.
Here's a list of your dash lights and their meanings
1. Door-ajar warning light
2. Oil pressure warning light
3. Check engine warning light
4. Tour or Sport for the ECS
5. Security indicator
Center Warning Lights
1st space down Left: 4-wheel steering oil level warning light Right: Brake warning light
2nd space down: Left: Anti-lock brake warning light Right: Active Exhaust Tour indicator
3rd space down Left: cruise control indicator Right: cruise control ON indicator
4th space down: Left: charging system warning light Right: High-beam indicator
Right Warning Lights
1st down: Not used
2nd down: Seatbelt warning light
3rd down: Washer fluid (2 storage containers)
4th down: Supplemental restraint system (SRS) warning light
take the bulb back out have someone sit in car apply brake get your self a circuit tester and check to see if this circuit is carrying efficient 12 volt current! some times in cold weather these bulbs get hot with long period of breaking and when released condensate and rust begins and you get what you have perhaps bad socket! this would be a ideal location to begin and probably end,