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"Replace bulb" dashboard light is on, but...

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Old 08-06-13, 04:12 PM
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hmkim
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Default "Replace bulb" dashboard light is on, but...

On my wifey's '06 330, the "replace bulb" dashboard warning light is on. Every bulb is working fine. What's going on?
Old 08-06-13, 07:53 PM
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repairmatt
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Check all the turn signal and brake light lamps, does one seem dimmer than the other? If so, you may have corroded or loose contacts and that will cause the replace bulb warning light to falsely come on.
Old 08-06-13, 07:56 PM
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Jazzer
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Try rubbing some dialectric grease on all the bulb connections. If that doesn't work, just replace them all...
Old 08-07-13, 06:04 AM
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Megafast13
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Don't forget to check the 3rd brake light!


And don't forget the small taillight bulbs --not even sure if these trigger the warning though.

Last edited by Megafast13; 08-07-13 at 06:31 AM.
Old 08-07-13, 06:29 AM
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PFB
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You can also narrow it down a bit.

If the light comes on right after you press your brake pedal, than its a problem with one of the brake related bulbs, if not, than its one of the other bulbs.


Phil
Old 08-07-13, 06:49 AM
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msekanha
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License plate bulbs will set off an error also.
Old 08-07-13, 01:15 PM
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hmkim
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Originally Posted by Megafast13
Don't forget to check the 3rd brake light!
This is it! I need to figure out what bulb to use and how to replace the dead one. I'm sure Google will help.
Old 08-07-13, 01:54 PM
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Megafast13
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Originally Posted by hmkim
This is it! I need to figure out what bulb to use and how to replace the dead one. I'm sure Google will help.
Excellent. It's a 7440/7443 bulb.

To access it, go inside (backseat) and pop up and remove the 3rd brake light housing, disconnect the wiring harness and replace your bulb, reinstall!
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