The Camaro Club (UK) ::Cigarette Lighter

Likely the fuse isn't designed for the higher draw? Satnav would pull at least 2amps (if you can have a look at the back of the satnav, it should give some info like volts and also the amps it uses). What size is the fuse that's being used? It maybe 5 and the satnav could be pulling 2-4, but because the wiring is quite old, there's likely more resistance in it (corroded or frayed wires) causing the draw to be higher.
Other thing it could be is that the wire is touching ground somewhere near the connection to the lighter and by pluggin something in, it makes contact to ground.

Author:	Old_Git [Thu Sep 29, 2016 2:04 pm ]
Post subject:	Cigarette Lighter
Anyone have any idea why the cigarette lighter keeps fusing when you plug a sat nav or dash cam into it?

Author:	78 Camaro [Thu Sep 29, 2016 4:42 pm ]
Post subject:	Re: Cigarette Lighter
Likely the fuse isn't designed for the higher draw? Satnav would pull at least 2amps (if you can have a look at the back of the satnav, it should give some info like volts and also the amps it uses). What size is the fuse that's being used? It maybe 5 and the satnav could be pulling 2-4, but because the wiring is quite old, there's likely more resistance in it (corroded or frayed wires) causing the draw to be higher. Other thing it could be is that the wire is touching ground somewhere near the connection to the lighter and by pluggin something in, it makes contact to ground.

Author:	Old_Git [Sat Oct 01, 2016 11:59 am ]
Post subject:	Re: Cigarette Lighter
Quote: Likely the fuse isn't designed for the higher draw? Satnav would pull at least 2amps (if you can have a look at the back of the satnav, it should give some info like volts and also the amps it uses). What size is the fuse that's being used? It maybe 5 and the satnav could be pulling 2-4, but because the wiring is quite old, there's likely more resistance in it (corroded or frayed wires) causing the draw to be higher. Other thing it could be is that the wire is touching ground somewhere near the connection to the lighter and by pluggin something in, it makes contact to ground. The fuse in it is a 10, not sure if that's the right one but it's what was in there. I've since seen some people recommend altering the shape of the adapter as that could cause problems, not sure how. Others have said they replaced the whole socket which might be an option, on the roads up here in the Yorkshire Dales/Cumbria I like to have proof it's the other idiots on the wrong side of the road should a bump happen

Author:	chevy-stu [Sat Oct 01, 2016 1:17 pm ]
Post subject:	Re: Cigarette Lighter
Sounds like something shorting it when you use certain connectors for sat nav etc. I'd check out the shape of the flat positive connector in the socket quite carefully, it may have become crushed or pushed flat so certain things cause it to touch the inside edge when used..

Author:	Old_Git [Tue Oct 11, 2016 2:36 pm ]
Post subject:	Re: Cigarette Lighter
I had a look at the possibility of replacing the entire unit, which idiot decided there should be no play in the wiring in the dash???

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Cigarette Lighter http://classiccamaroclub.mfatw.com/viewtopic.php?f=9&t=5065	Page 1 of 1

Author:	Old_Git [Sat Oct 22, 2016 4:52 pm ]
Post subject:	Re: Cigarette Lighter
Found a solution, dremmel the end of the input plug so there's no 'bell end' (so to speak, excuse the crude analogy) It seems if any piece sticks out it makes the connection knock out the fuse for some reason, I did find a diagram somewhere but I lost the link. Used a sat nav all the way up the M6 to Tebay and it worked like a charm

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