Radio not working

My radio stopped working. It is an aftermarket radio.
I had taken to the shop to get the A/C worked on.
When I picked it up, the radio wasn't working.
Other than the fuse in the fuse box being blown, what are some things I should look for to find the reason it is no longer working?

And please don't say "take it back to the shop".  They'll just charge me. I want to fix it myself.

Thanks.
Adam Wartell2008-07-09 10:27:49

If the shop was messin around under the dash, check that in line fuse holder. If they undid the fuse holder to move wires out of the way they could have dropped the fuse out or lost that JC spring in the holder.

If the unit has power then trace the speaker wires or check the antennae lead.

If no power then start at the hot wire and work toward the back of the radio checking in-line fuses and connections.

Some of the newer radio's have a fuse on the acual radio near the plug on the back side

I'm gonna go out on a limb and suggest that they did move wires around, and either un-plugged something, or shorted something.
Start with fuse(s), of course, but being an aftermarket unit, the fuse for it is prolly "in-line" on the power wire, which should come from the fusebox.

You've been having trouble with that thing for a while...perhaps they finally just "fixed" it for ya! At least you don't have that buzzing noise anymore, right?

[QUOTE=Adams' Apple]... At least you don't have that buzzing noise anymore, right?[/QUOTE]

Too true!! 

Hey gang.
Thanks for all the suggestions.
I pulled the radio out of the dash tonight.
First thing I did was look at the fuses. There was one on a wire hanging off the radio, and there was one on the radio itself. They appear to both be fine.  Then, I pulled the connector off the back of the radio, took a test light and clipped the one end to the door jam and touched the other to the contact that was supposed to be going to the battery.  Some of you may already know what happened...  I blew the bulb in the test light.  So still not knowing for sure how to test it, I got my multimeter out.  Turned the dial to DC, put the black lead on the door jam, touched red lead to the yellow contact.... got 12 volts. Figured all was well there.  Put the red lead on the red contact (ignition power) and got nothing (ignition was off).  Turned the ignition on, got 12 volts.  So everything checked out fine then.  I scratched my head, cursed a few times, and figured I'd plug it back in to see what happens.  It works!  I don't get it!  I didn't do anything. Just pulled it out, checked everything, put it all back.  Something must have gotten jogged loose and me pulling it all out put it back were it should be.
Oh well. I'm just happy it works.
As for the buzzing sound, I won't know about that till I take her out to work with me tomorrow morning.

Thanks again!