In some older rear projection televisions, the audio power amp is separate from the video chassis. It can be bypassed or replaced. But in most (if not all) flat screen televisions, the audio power...
Mainly by shorting out, letting the + and - wires or connectors touch. Even for a split second this can do a world of damage. Some of the larger amps have fuses in the speaker line to help avoid this...
You can either wire it the way it should be and see if the power light turns on or if it has a stand by light. If stand by light turns on then something may be wrong.
If you do not know how to wire...
if year is between 1990 and 1996 and the Z has a Bose audio system, then each individual door speaker has its own amplifier. the amplifiers are built into the speaker pods.