Car stereo turns off when I turn engine on?

insano_dano

New member
Well, I wired a low power sub into the back of the head unit and I earthed it, connected the power to the yellow cable and the remote to the remote. It was all good untill I connected the rca's and then the power turned off. Strange thing is that when I only turn the key once it all works fine it's only when I turn it again (or start the engine) it all switches off.

I swapped the head units and I had the same issue so I narrowed it down to the power cable. (Red one) I haven't got any testers so I can't see if there's power going to it. I also checked the fuses and they all look good.

Can anyone tell me why this is happened?

This is in a VW transporter (T3 or T4)

Thanks
 
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