Help with diagnosing an nonworking aftermarket stereo

AgingGeek

Club Member
Hi all, as per the title, when I got the car it has an aftermarket modern (ish) headunit. It was working when I test drove the car, but when I tried it yesterday, it doesn't switch on at all. I have checked the fuse and that's fine, so I need some help in knowing what to diagnose next to see what the problem might be? Its a Datsun 280Z 1976

Where would you start if you had this issue on yours?

Thanks!
 

Mr.G

Club Member
Have you pulled it out of its slot to check the wiring at the rear of it?

Is there an inline fuse that has gone, is 12volts going to the stereo and is there still an earth going to it? If you have power and an earth and the fuses are ok then it sounds like something internal to the unit has gone bad.
 
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