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Re: 12 volt outlet does not work
I believe it should be the same one that was removed when it was burnt out. If not available on the back of the fuse door should be a schematic that indicates which fuse need to be in that slot and the application it is protecting, on lighter or 12v sockets a 15 or 20 amp, but fuse should be replaced with the vehicle reccomended size fuse.
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Where do you have a 9 volt? I'm assuming you mean the outlet that we used to call the cigaret lighter? If so, it's a 12 volt outlet. Its pretty common for this fuse to blow, I'd definitely check that first. Get a few fuses because it likely blew from a bad accessory you plugged into the outlet. Also, try a few different accessories and verify that it's not an issue with the one you're plugging into it. If you replace the fuse and it blows again then the problem is being caused by whatever you're plugging into it.
I think you need to look inside of the sockets for foreign objects such as change or foil from gum wrappers. This is the most common cause of this problem. If it is all clear we need to unplug both and put in a new fuse, plug in one and then the other, see which one is the bad socket.
im sure of a fuse somewere and its probably a large one.
if the unit shorts it has to have a fuse first thing.
you may find a fuse under the hood in the fuse box.
and then you may find a fuse in the unit itself .
the other thing is to remove it and connect it to another car battery.
if you have a bad unit then a salvage yard in your area should have one.
also test the power in your car going to the unit.if its set to run all the time then theres a fuse at the battery or the fuse box.
one other thing is check for recalls
you may get lucky.
Even thought the plug in is 12 volt. It's ouput is different. Most electronics have different ranges from 3-9 volts. Does the 12 volt charger put out 12 volts? If so, it would burn up the electronics' capacitors on their power supplies. How is the car's electronics doing? Are they too failing? If so, that would be a faulty voltage regulator, if not, I would hook up anything you use to the radio wires. You cannot plug in anything directly to battery no matter what the person told you. Batteries charge, than release charge, a contiuous cycle. The power output is speratic and anything hooked straight up to the battery will need a fuse.