99-04 switched 12v under dash fuse?

cobrarwanab

cobrarwanab

Club Member
I'm looking to add a digital volt gauge/usb power supply in place of the stock 12v power socket located in the shifter bezel on my 2002 mustang gt. The power needs to be fed from a "key switched" source. I bought a "add a circuit" connector that can handle 10a although it will only see about 2.4a. My question is- anyone know what fuse under my drivers side dash I should piggyback for a key switched source?
 
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Cigarette socket is always on. I know there are fuses under the drivers side dash that are key on 12v only as Ive used them to tap the 12v signal wire for my intercooler and fan relays. You'll just have to look at the manual and find one.
 
93 saturn sl2 said:
You'll just have to look at the manual and find one.
Click to expand...

The manual won't tell you which circuit is keyed on.

OP, just pull a fuse a stick a test light in the socket and cycle the key. Shouldn't take more than a few seconds to find one that will work.

--Joe
 
soap said:
The manual won't tell you which circuit is keyed on.

OP, just pull a fuse a stick a test light in the socket and cycle the key. Shouldn't take more than a few seconds to find one that will work.

--Joe
Click to expand...
I'm fat these days an it's getting harder to twist myself up under the dash to test. I'll stop being lazy and grab my volt meter lol.
 
93 saturn sl2 said:
Cigarette socket is always on. I know there are fuses under the drivers side dash that are key on 12v only as Ive used them to tap the 12v signal wire for my intercooler and fan relays. You'll just have to look at the manual and find one.
Click to expand...

I couldn't remember on the SN95s, some cars have keyed cig lighters.
 
soap said:
The manual won't tell you which circuit is keyed on.

OP, just pull a fuse a stick a test light in the socket and cycle the key. Shouldn't take more than a few seconds to find one that will work.

--Joe
Click to expand...

True, but you probably know what circuits work when the car is on vs when its off and the manual will tell you what circuits each fuse controls.
 
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