After jump stsrting expedition 2003 I lost power in radio

Google search 2003 ford expedition owners manual & download it from ford for free that way you always have it on your phone/computer the radio instructions are there for all radios that came with the truck also your fuse box inside the truck & your power distribution fuse box under the hood this is needed in case of roadside emergencies and this will be a big help in searching for other problems that may come up unexpectedly

Dead Battery

Delayed Accy Relay-- on your left side of dash

Can find that picture on the internet.

If there is no power in your car more than likely it has to do with your car battery being dead try and jump it. Good luck!


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GM Tech2 GM Diagnostic Scanner With C card

It can be issue with radio fuse or wiring issue of radio.
First test the radio fuse.If its blown out,then replace it.If the fuse i checked ok,then its radio wiring issue.Test the voltage.
Check out few help links provided below,related to car radio problems:---Click the link below:---
Radio Controlling Fuse Location? http://howtobyme.blogspot.in/2012/05/2003-lincoln-aviator-radio-controlling.html

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No clock, radio, gps, climate control After Battery Cross Jumped? http://whatisbyme.blogspot.in/2012/05/2006-lexus-ls430-no-clock-radio-gps.html----------
XM satellite radio interface kit Connection? http://technoanswers.blogspot.in/2012/04/toyota-avalon-toyota-xm-satelite-radio.html
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Radio Power Antenna wiring diagram? http://technoanswers.blogspot.in/2012/02/radio-power-antenna-wiring-diagram-for.html

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Where is Radio Fuse located on 2007 Dodge charger?

http://schematicsdiagram.blogspot.com/2011/12/where-is-radio-fuse-located-on-2007.html

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2006 Ford Expedition radio not powering ON? http://technoanswers.blogspot.com/2012/01/2006-ford-expedition-radio-not-powering.html

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How to reset Radio code after car battery is died? http://howtobyme.blogspot.com/2011/12/how-to-reset-radio-code-after-car.html

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These details will help.
Thanks.

Before you do anything, try to jump start it....sounds like low battery..

try swapping the starter relay withj the horn relay. If this works, replace the relay. If this doesn't work, please get back to me.

it sounds as if your alternator is going bad

check for loose or disconnected wires 

Do you have a battery positive wire as well as a switchable power wire? Is it properly grounded? Double check for power and ground. Aftermarket radios have two blue wires for switchable power. one for an amp, and the other for a power antenna. Make sure the right one is used.

phone any ford dealer and with your vin# handy give it to the service manager and they should be able to get that for you.