The rear speakers in a 1995 Lexus es300 are not working but the front speakers still work- there is no sound Should the rear speakers be replaced or is it just wiring?

Neither.

It's the fader setting.

Odds of both rear off at same time?

maybe an AMPlifier disconnected.

Slightly, the radio unit.

Ok, check the connections... the weak link in the chain. Maybe yanked at the trunk. but both?

Neither.

It's the fader setting.

Odds of both rear off at same time?

maybe an AMPlifier disconnected.

Slightly, the radio unit.

Ok, check the connections... the weak link in the chain. Maybe yanked at the trunk. but both?