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Electrical & Wiring Troubleshooting electrical.

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  #1  
Old Mar 13th, 10, 09:01 PM
jtwoods4 jtwoods4 is offline
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John
 
Join Date: Apr 2008
Location: Atlanta, GA.
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Default Cigarette Lighter short

1968 RS Camaro....

I have my IPod charger plugged into my cigarette lighter. Today when I removed the charger from the lighter socket there was a spark and a fuse blew.

With the charger removed, I replaced the fuse and it immediately blew.

When I put the charger back in the socket and replace the fuse the charger works, until I removed the charger then the fuse blows again.

Can anyone help me understand what is going on here?

JW
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  #2  
Old Mar 13th, 10, 10:03 PM
Johnny B Johnny B is offline
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Location: Bloomingdale, Il
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Default Re: Cigarette Lighter short

John, I had similar problem in an old GTO....center electrode and spring of the lighter socket had broken off the base. When the lighter was removed the center post droped into and contacted the socket body, a direct short to -neg (ground) which popped the fuse. But when the lighter was inserted (and fuse then replaced) it held the center post in position and worked intill the post and spring worked free and fell into the socket again.

It's a simple fix...Replace the lighter socket. Avilable at most chain auto parts stores and resto-part supply houses....Jb
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Old Mar 13th, 10, 10:09 PM
jtwoods4 jtwoods4 is offline
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John
 
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Default Re: Cigarette Lighter short

great thanks. Until I replace it would it be ok to just leave the power adapter plugged in all the time? Even when the car is off.
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Old Mar 13th, 10, 10:24 PM
larryh56 larryh56 is offline
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Default Re: Cigarette Lighter short

I would pull the fuse, why take a chance on a short causing a fire?
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  #5  
Old Mar 13th, 10, 10:28 PM
Johnny B Johnny B is offline
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Default Re: Cigarette Lighter short

Even with the key turned off the lighter socket will still be hot. As long as the contact isn't shorted, sure leave it in, That is, as long as your Ipod charger doesn't burn up. I have always been told not to run a power supply without a load attached. Many opinions on this though

Larrys right, pull the fuse....Jb
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  #6  
Old Mar 14th, 10, 12:03 AM
jtwoods4 jtwoods4 is offline
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John
 
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Default Re: Cigarette Lighter short

Thanks guys, hopefully one of the local Pep Boys, NAPA, or Autozone will have a replacement cig lighter assembly I can purchase tomorrow.
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