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Old 28th October 2018, 23:31   #1
75c
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Default Question about bulb warning light please

I have a bulb warning light come on for my rear brake light. It comes on the first time I start the car in the day, it stays on until the first time I apply the brakes. Then it goes off, and it usually stays off. The bulb is working fine when I check it. My drive is on a slope. I've tried taking the bulb out and cleaning the connections.


If the bulb was really done the warning light would stay on wouldn't it? I'm thinking it's a loose connection but I'm blowed if I can find out where
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Old 29th October 2018, 07:59   #2
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Quote:
Originally Posted by 75c View Post
I have a bulb warning light come on for my rear brake light. It comes on the first time I start the car in the day, it stays on until the first time I apply the brakes. Then it goes off, and it usually stays off. The bulb is working fine when I check it. My drive is on a slope. I've tried taking the bulb out and cleaning the connections.


If the bulb was really done the warning light would stay on wouldn't it? I'm thinking it's a loose connection but I'm blowed if I can find out where
change the bulb anyway.they have a internal earth connection you cannot see
worth a try and if you can replace it with a heavy duty one from halfords or the like
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Old 29th October 2018, 08:09   #3
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I had a warning light I couldn't fathom out. In the end I replaced all bulbs at the rear, that got rid of it.
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Old 29th October 2018, 15:09   #4
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I had a warning light for a front and rear bulb.

It turned out to be a poor contact in the plug for the light switch module in the car.---I cleaned the pins and sprayed them with WD40.----No trouble since from over two years ago.
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Old 29th October 2018, 16:58   #5
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It's more than likely a fuzzy connection where the loom plugs into the bulbholder, unplug it and take a close look at both sides

Had this on one of the fleet after fixing a boot leak and everything dried out

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Old 30th October 2018, 11:45   #6
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Thanks boys, it was what Brian said. The car did have a leaky boot until recently.
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Old 30th October 2018, 14:54   #7
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Buy yourself a can of spray contact cleaner. Mine comes in ver handy on a 19 year old car!
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