Anyone know where some keyed power is for my XM Radio?

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Waferboy - 22 Feb 2006 06:05 GMT

Hey all,

I've got a 1993 5.0 LX and am looking for a 12V @ 1A "keyed" power source.
I tapped into the cigarette lighter for now, but it's always on. I would
like a power source that I can find or create so that I can have my XM turn
off by itself when I turn off the car. I'm just too lazy to always have to
turn it off by myself. I first tried my keyed power line that ran to my
stereo, but it looks like it just doesn't have enough power to run the
stereo and XM radio because nothing turns on when I'm hooked up to it.

Anyway, thought I'd come to the experts, I dug around for a while to no
avail. I don't have any problem creating a power source but don't know
under the hood well enough to know where to tap into power.

Thanks in advance!

mC

1993 5.0L LX Hatchback

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Big Al - 22 Feb 2006 06:39 GMT

> Hey all,
>
[quoted text clipped - 15 lines]
>
> 1993 5.0L LX Hatchback

Just use a test light and find a fuse that has power when you want it. Then
tap into the circuit. There are three major circuits, always on, on in acc
and ign, and on in ign only. The heater blower is only on when the key is
on. (Ign.) The radio is on in acc and ign. Horn, lights and lighter are
always on.

Al

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trainfan1 - 22 Feb 2006 15:01 GMT

> Hey all,
>
[quoted text clipped - 15 lines]
>
> 1993 5.0L LX Hatchback

Don't go under the hood.

Stay in the cabin.

The radio circuit is an ideal place to tap in such an accessory.

Rob

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drsmith - 23 Feb 2006 13:24 GMT

>Hey all,
>
[quoted text clipped - 5 lines]
>stereo, but it looks like it just doesn't have enough power to run the
>stereo and XM radio because nothing turns on when I'm hooked up to it.

I'm not sure what receiver you have, but it's possible that the unit
won't turn on automatically. If I remove power from my sat. receiver
and then plug it back in, it won't turn on until I press the power
on/off button. It's just the way it's designed.

Otherwise, I'd be looking at tapping into the radio power source. Put
in a relay and run a new line (with fuse) from the battery if you need
more power than the original circuit was designed for. Use a gauge of
wire appropriate to your application, too.

In reality, 1 amp should not blow the fuse for the radio unless you've
got an aftermarket unit that puts out a lot more power than the stock
unit.

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