Audio/Visual & Electronics - Radio Noise

I posted this in the general section. I think it should have been posted here so here it is.

97 Civic EX. I bought it used with an aftermarket Pioneer CD AM/FM stereo. It had an amp in the trunk but the previous owner removed it before I bought it. All of the wiring is still there but I removed the inline fuse.

Now my problem. Whenever I use anything electrical it causes static on the radio. Turning my fan on causes static. The higher the setting the more static it causes. Plugging my cel phone into the charger causes static.

Any ideas on how to fix this?

Try grounding the chassis of the radio. It may only be grounded through the antenna.