XM in my 04 F 150
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something i forgot to add is that you need the aux input on your radio. you can find out if you have this if there is an aux button on the front of the radio
here is the adapter
http://www.logjamelectronics.com/piefrd04aux.html
here is the adapter
http://www.logjamelectronics.com/piefrd04aux.html