OK well I know this isnt in the right spot but I thought I could get a faster answer here...ok well my friend has a problem with his rear speakers...his car is completely stock but lately its been allittle colder here in the morning (wisconsin) and when he starts up his car there is no sound from the rear speakers but as it warms up during the day they all of a sudden start working again...I have no idea what could cause this so im going to all of you guys...lol what do you think it could b?