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Author Topic: Bulb light on!!!  (Read 5350 times)

Offline monte

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Bulb light on!!!
« on: June 04, 2012, 06:42:19 pm »
Well today I noticed the Bulb warning light On the dash.

I've been round the car checking headlights, sidelights, brakes, indicators, fogs, reverse, and interior and I can't see any blown bulbs.
I also checked the boot light and glovebox light.

Still the light is on the dash???  :confused:

Any ideas? :sad1:





Offline Tortaruga

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Re: Bulb light on!!!
« Reply #1 on: June 04, 2012, 06:56:32 pm »
Check registration plate lights
'07 Red manual

Offline monte

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Re: Bulb light on!!!
« Reply #2 on: June 04, 2012, 07:33:49 pm »
Nice one mate! I thought I had checked everywhere! :congrats:

I'll check em later on.  :wink:


Offline -blade-

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Re: Bulb light on!!!
« Reply #3 on: June 04, 2012, 08:51:10 pm »
Also - have you fitted any LED bulbs ? these can give intermittent bulb failure warning when in fact they are working just fine (measurement of resistance change makes the circuit think its broken)
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Offline monte

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Re: Bulb light on!!!
« Reply #4 on: June 04, 2012, 09:03:51 pm »
No mate, no LEDs.

Offline Little_Dave

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Re: Bulb light on!!!
« Reply #5 on: June 04, 2012, 10:18:08 pm »
It should come up on the dash what bulb has gone.... if you turn the ignition off and back on again it should bing at you and say which bulb to check/replace  :wink:

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Offline -blade-

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Re: Bulb light on!!!
« Reply #6 on: June 05, 2012, 07:44:40 pm »
what was it in the end? a sneaky reg plate bulb?
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Offline bakili

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Re: Bulb light on!!!
« Reply #7 on: June 05, 2012, 08:05:18 pm »
 I believe most German cars has bulb failure detection system works on resistance, it is quite likely to behave as you describe. The best that can be said is a bulb is about to fail. Happened to me once, warning light came on, before bulb failed, day later side bulb gave up.
It also could be loose bulb connection, have you recently replaced any bulbs?

Offline monte

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Re: Bulb light on!!!
« Reply #8 on: June 05, 2012, 08:59:46 pm »
Well on start up the bulb detection said it was the rear left brake light. However it still works fine....or so I thought.
It worked fine when checked with a neighbour, but tonight we checked again and it worked intermittently.

So it looks like the computer even detects bulbs on the way out  :happy2:

Offline Kalpsn2000

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Re: Bulb light on!!!
« Reply #9 on: June 05, 2012, 11:24:17 pm »
Well on start up the bulb detection said it was the rear left brake light. However it still works fine....or so I thought.
It worked fine when checked with a neighbour, but tonight we checked again and it worked intermittently.

So it looks like the computer even detects bulbs on the way out  :happy2:

Interesting, good to know :happy2:
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Offline drexel75

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Re: Bulb light on!!!
« Reply #10 on: June 06, 2012, 12:48:24 pm »
I've got the exact same problem. Only happens sometimes on start up, "Rear Left Brake Light Not Working", but by the time I get to the end of the road and touch the brakes the warning light goes out and the brake light works fine. Weird!!!!

Offline Nodz

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Re: Bulb light on!!!
« Reply #11 on: June 06, 2012, 12:51:30 pm »
Mine done this with a sidelight, changed it and has been fine ever since. Now the passenger headlight has started doing it so now there's a good excuse to upgrade my headlight bulbs