just installed a sony head unit in a 98 tahoe the speakers in the back doors do not work. i was told that there was a amp behind the glove box but i did not find one. any suggestions
anyway, what you may have is a factory amplifier hidden somewhere in your vehicle. If so, then all you have to do is locate it, and then bypass all the wires. Doing this will make your speakers work again.
If you do not have a factory amplifier in your Tahoe, then your speakers may: