2002 honda civic electric problem?

I tried installing a cd player in my car and everything went fine. it turned on and was working. after that i turned off the car, then pushed back all the boards to the way they were. after when i turned my car on, the speedometer started moving like crazy and after 5 or so seconds it stopped. it keeps happening when i turn my car on. also the door locks wont lock unless you do it manually. and when i open my door the door lights wont turn on and my cd player stopped working. Is this just a burnt fuse or what?
 
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