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I left my headlights on last night in my 2007 HCH, resulting in a needed battery boost to start. Did once last night, but didn't leave running long enough and had to boost again this morning. The battery had been totally dead enough to need the code-rentry. But my Sirius stopped working. The stations tune, but no sound; called Sirius for a re-authorization and that did nothing. AM/FM works, as does AUX. I'm thinking that the HON-SC1 fuse blew, but I have no idea where the installer put it to even locate the fuse, nor how to access. Ideas so I don't have to pay installer just to possibly change a fuse? Instructions/pix to access? Thanks.

 
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If that fuse was blown your radio would not be on as well. I think there might be another problem.

 
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I thought that either or both the HON-SC1 and the SC-C1 have their own fuses? then the Honda radio would still work.

 
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You said in your original post that the radio worked so that would not make it a fuse for anything that gets power from it.

 
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So I love self-healing problems...

Found out the hard way this morning that I must have left the interior light on and killed the battery again. Started with a boost, and now I get sound on my Sirius. Still had to reauthorize, but it works. I'm not going to complain.

BTW, I didn't realize that the Sirius tuners got their power from the radio. I thought they were independently connected and had their own fuses.

 
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totally depends on how they were installed. will vary by car and who did the install.