Blown Radio Fuse

[burnmacs]

I have a Fujitsu Eclipse system in my NSX and recently it started blowing the radio fuse in the driver's footwell. If I replace the 10A fuse the radio will work for a little bit and then the fuse blows again. This leads me to beleive it's a loose wire of sorts. Does anyone have any suggestions on how to attack it or should I just pay my stereo shop $100's.

Thanks.

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Mike
'91 NSX