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El Diablo Blanco
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6,780 Posts
Discussion Starter #1
I'm pulling up both part #'s for a tail light bulb on my wifes Jeep, what is the difference? I've never bothered trying to find out what the difference between the two is.
 

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El Diablo Blanco
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6,780 Posts
Discussion Starter #3
Ok thanks. I'll grab whichever one I see first at the parts store then.
 

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Registered
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2,310 Posts
You need the CORRECT number for your vehicle or else it will still show you a lamp is out on your lamp failure circuit board in your counsel.

The difference--sure is the wattage, but it also has different resistance---which in turn will illuminate your message board.

I love it when something as simple as a lamp failure sends a guppy down the tunnel to no end----simply watch the tail lights of "self repaired" vehicle--you just have to laugh!
 

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El Diablo Blanco
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6,780 Posts
Discussion Starter #10
Ahh..that +1 is what fucked me up. Damn math.

It makes sense about dual/single element.
 

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El Diablo Blanco
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6,780 Posts
Discussion Starter #12
It's got a separate bulb for turn, I need dual filament for park/brake I guess.
 

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DEEZ NUTZ
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1,423 Posts
You can use a 3157 in a 3156 but not the other way around. It does not work for the 11 series bulbs though.. But to answer your question for park/ turn yes you would need a dual filament bulb
 
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