Why doesn't car speaker work?

my front passenger seat speaker has something wrong wit it, i have to like bridge a ground (say for example a metal plate from the car) to a little bit befor the negative terminal that plugs into the speaker cuz if i dont it doesnt work. and then most...

my front passenger seat speaker has something wrong wit it, i have to like bridge a ground (say for example a metal plate from the car) to a little bit befor the negative terminal that plugs into the speaker cuz if i dont it doesnt work. and then most...

I have a JVC CS-V6934 car speaker system. My sister used them in her old car but she doesnt use them any more and they still work. But i was wandering if i could use them in my room connected to my iphone?

I'm wiring an aftermarket stereo which I didn't have the original dash harness. I managed to find some color codes and started wiring. Finally figured out the ignition wire, still no clue about the constant 12V, which Ill figure out later. Anyways, I...

i was driving my 2000 honda civic down a street at about 40mph and slammed through a deep pothole. i heard a pop sound but couldnt tell if it was from the speaker or just the car hitting the bump. since then i dont hear any music from my right front...

My speaker wont wok in my car. It started to just cut in and out sometimes and then that got to be long periods of time. So i bought a new speaker thinking that was the problem i put in the speaker it worked for a minute then cut out. So i checked the...

The speakers i put in my car are Pyle PL6984BL Blue Label 6x9 Inch 400 Watt 4 Way speakers. The woofer of the rear speaker doesn't work most of the time. But about once a week, when i'm driving, i can hear when it is working, because i can actually hear...

i have a pretty new speaker system(2 speakers and subwoofer) and the left one doesnt work the subwoofer works fine and the right one does so too but the left one doesnt work at all i have noticed something when doing a sound check on youtube: the right...

When I use my cd player my driver side speaker will work but my passenger won't, but when i use the radio my passenger and driver side speaker will work perfectly fine whats wrong? is it the speakers or wires?