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Those who changed bulbs inside... Map Light question...12V8w?

Old Mar 15, 2008 | 06:13 PM
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Those who changed bulbs inside... Map Light question...12V8w?

I opened the map lights(where the sunroof switch is) and the bulbs look exactly like the 168/194s that i used in the step lights and license plate lights... BUT the map lights say 12v8w... Whats up with that?

Common sense tells me that I shouldnt put a 12v5W bulb into a 12v8w slot.

Any comment on this?
What bulbs did you all use for the map light area?


thanks guys...
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Old Mar 15, 2008 | 06:21 PM
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i put the same bulbs from the step lights and license plate lights.. they have been in there for over 2 months. still going strong
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Old Mar 15, 2008 | 06:43 PM
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Hmmm... That kind of scares me if theres more power going to a bulb rated lower
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Old Mar 15, 2008 | 06:48 PM
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yea i didnt even realize this till now... the bulbs dont get excessively hot or anything... And are showing no weird signss of being over powered

Last edited by TerribleONE453; Mar 15, 2008 at 07:54 PM.
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Old Mar 15, 2008 | 07:44 PM
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ok ... thanks...

anyone else? what did everyone else use?
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Old Mar 15, 2008 | 09:37 PM
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Originally Posted by MaxToTheG37
Common sense tells me that I shouldnt put a 12v5W bulb into a 12v8w slot.

Any comment on this?
What bulbs did you all use for the map light area?


thanks guys...
I'm no expert, but imo as long as it's the same voltage, going with a lower "wattage" bulb should be fine, it's putting an 8w bulb into a 5w slot that could cause over heating, blown fuse etc.
Example:
I'll put a 120v 40 watt bulb in a fixture in my house that's rated for a 60w (120v) without a problem...just has lower light output...
It's putting a 120v 100w bulb into a fixture rated for 120v 60w that leads to overheating etc...
This concept makes sense to me, how about you?

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G37S all options except 4was...
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Old Mar 15, 2008 | 09:41 PM
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HHMMM if the slot is pushing 8watts to a 5 watt bulb I see a problem....
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Old Mar 15, 2008 | 09:49 PM
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i believe that might just be max output though.. ^
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Old Mar 15, 2008 | 09:56 PM
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Originally Posted by MaxToTheG37
HHMMM if the slot is pushing 8watts to a 5 watt bulb I see a problem....
No, I don't think you understand, the "slot" is not pushing anything, the bulb "pulls" 8w and the replacement you propose will pull less=no problems...
Can't you relate to putting in a lower "wattage" bulb (but the same voltage) in your house for example Ben?

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Old Mar 16, 2008 | 12:10 AM
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Listen to DGCIALP he got it right. I am an Electronic Technologist, and what he is saying is right. there is no issue I but the same leds in there my self. But at night you will notice that they do glow a bit even though they are off
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Old Mar 16, 2008 | 12:17 AM
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So the bulb will just pull 5 watts... but the slot is capable of getting 8 watts pulled ... i get it now...

I have just seen too many bulbs get too hot and burn up on previous cars and wanted to check and make sure...
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