Right speakers won't work

[Man In Black]

I have a 68 corvette with an aftermarket corvette radio and jenson 4 channel amplifier. The left side speakers work fine ( green wires ) but the right side speakers ( purple wires ) don't work at all. I tested the speakers themselves by plugging them on the left side and they work fine but when I plug them back on the right side , they are dead. I tried moving the balance controls and that don't work. What would cause the power to not come out of the amp ? Is there a fuse for the right side ? I found two fuses and they are both good. Also as I said , this is a corvette ( fiberglass body ) , so could it be a ground issue ? The ground wires are connected to the console bracket . Thanks in advance

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[mlstrass 5,000+ posts]

Sounds like the right channel could be dead in the amp. How is the HU connected to the amp, via RCA's? If so try switching L/R on them and see if only the left side plays.

 

[andrewmoore13 10+ year member]

i would be inclined to say its not a grounding issue because the left side is playing and if you had a bad ground wouldnt you have no sound?