We had a customer that hooked up his new stereo to the instument light "tap" in the fuse box--he couldnt figure out why it would play only at night,or with the lights on!!--it was only when I "dimmed" the lights and the radio dimmed with it(and sounded awful) that I asked him if he hooked it up to the fuse box,instead of the stock radio power wire--he said yea,there was an empty spot there,so I used that!--another guy used the same spot to power his foglights!--I'm suprised the 5 amp fuse didnt blow in either case,and the guys foglights looked like candles,even when not on the "dim" position--we rewired them with a new relay,and a toggle switch,they were 100 percent brighter!!