Nissan Repair Questions? Ask a Mechanic for Answers ASAP
Hey there, thanks for the question.
If you have no sound and you have the amp on signal from the radio, then it's one of 2 things here. Either the radio is bad or the amp is bad.
Generally when the amp is bad you get no sound whatsoever, regardless if it's on radio or CD. This one might actually be the radio instead the more common amp failure.
did you check the speaker signals leaving the radio with a meter?
Hey there, sorry for the delay over the weekend.
as long as the amp is plugged in, it's not really any surprise to see a spark when the amp is taken in and out as the vehicle is body grounded.
The fact the the green/yellow wire has 12v and you get some sound just distorted tells me the amp on signal is there and the amp is powered on.
You speaker reading is fine, you need to disconnect the connector on the stereo and check continuity to ground on all speaker wires. If you get a ground that that speaker is grounding and causing the issue. If none are grounding and the CD volume is still distorted then we know it's not the antennae connection because the CD's would still be crisp and clear and since you getting voltage readings across the speaker wires to the amp then we can assume the amp is at fault.
Yes, exactly you can check from the amplifier, which would be easier when checking for them going to ground.