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Cigarette lighter fuse keeps blowing... advice?

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Old 03-11-07, 08:06 PM
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Cigarette lighter fuse keeps blowing... advice?
Just discovered that my cigarette lighter keeps blowing the fuse as soon as the ignition is turned on. I don't ever use the thing, but it'd be nice to have for a power source.

Any ideas for what to look for? I don't know how long its been since it worked...
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Old 03-11-07, 11:07 PM
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A short in the wiring somewhere. Or just take the blown fuse out and keep a good one in the car for if you ever need to use it.
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Old 03-12-07, 07:26 AM
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Check in the bottom of the lighter receptacle to see if something metal fell off from something that you plugged in there and is shorting it out. That's pretty common.

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Old 03-12-07, 08:00 AM
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I pulled the lighter out, so there isn't anything loose causing a short...

Should I just run a new power/ground line for it? That's probably easier than finding the problem with the stock wiring...
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Old 03-12-07, 11:43 AM
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Make sure there isn't a coin stuck in the bottom of the socket.

(Ask me how I know...)
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Old 03-12-07, 11:54 AM
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check:
Power outside mirrors

Theft system (CPU no.1)

Power antenna

Audio system (if you have BOSE)

A/C relay circuit as well.


ref. work shop manual...
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Old 03-12-07, 12:43 PM
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Originally Posted by TMadlem84
I pulled the lighter out, so there isn't anything loose causing a short...

Did you actually look into the bottom of the hole to see if there was anything in there that shouldn't be?

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Old 03-12-07, 12:50 PM
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^The hole where the light would go? Yeah, I had it out & upside down... I was checking it out... maybe the lighter just went bad... planning on trying a replacement lighter tonight to see if that sold the problem.
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Old 03-12-07, 04:33 PM
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Someone mentioned checking the side mirrors... I have the mirror switches disconnected... I didn't realize they were on the cigarette lighter fuse... I assume this is what is causing the short?
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Old 03-12-07, 05:44 PM
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^if the power wire is touching something GND'd
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Old 03-14-07, 11:44 AM
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What all is run on the cigarette lighte fuse? Is it JUST the cigarette lighter? I can't find anything that isn't working aside from that...

Because if it's just the lighter, I could just run a new line for the lighter...
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Old 03-14-07, 01:49 PM
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https://www.rx7club.com/6735433-post/
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Old 03-14-07, 05:57 PM
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good idea, this keeps happening to me.
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Old 03-14-07, 05:59 PM
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hows the wiring behind your radio looking?
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