AM radio suddenly stopped working

[Ragz]

My favorite sports talk station is on the AM dial so I requently listen to both AM and FM. I have tried troubleshooting this and cannot figure anything out. I have a 2006 Ford Explorer. An aftermarket stereo, JVC KD-R210. No amp or aftermarket speakers installed, its just the aftermarket head unit. I installed the stero 2+yrs ago and have never had any issues with AM or FM reception. 2 weeks ago I flip to AM and get nothing on any station, yet FM still works fine. I scan through the AM stations and the tuner will stop on stations that it is supposed to stop on, like it recogonizes there is a broadcast on that station but I get no sound, really no static either like you would on a weak signal. The weird thing is when I start the vehicle and the radio is on and set to AM, the radio will work for a second or two and then stop the sound output, the radio doesnt turn off or anything, just the sound stops. If I flip between AM and FM I dont get the same result, its only when the vehicle is started. I have removed the stero and checked the wiring and everything appears to be connected properly, all wires seem secure, the antenna wire seems fine. I have tried reasearching online and have not found any direction as to what could be causing this. Any suggesdtions would be much appreciated.

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[maylar 10+ year member]

Does the vehicle have an antenna amplifier?

 

[Ragz]

No it does not have an antenna amplifier.

 

[maylar 10+ year member]

There really isn't much for AM besides needing an antenna. Sounds like the radio has issues.

 

[Ragz]

The only thing I could think of was the radio or something with the antenna, but its only about 2yrs old and didn't want to believe it was the radio.. I'm sure I'll end up replacing it. Thanks for your help

 

[Ragz]

Replaced the stereo and got my AM back. Can't believe the AM tuner went out in only 2yrs. Thanks for your responses Mylar.