Lights, Sound....Almost
 

Okay;

Heres a wierd wiring issue.

In my 1985 300 SD (126) I installed a Blaupunkt Alaska head unit. I noticed there is constant power to the unit because I can listen to it while the engine is off. I can turn the unit on even without having the key in the ignition.

Here's where it gets wierd; with the engine running, if the parking lights and/or headlights are on, and I turn them off, the head unit goes off. :confused: Any ideas???

Also, I don't know if its related, but I seem to be constantly blowing the fuse for the little lights behind the toggles on the upper console (rear light, sunroof, antenna, rear defogger).

I' m hoping someone can offer a suggestion.

Thanks,

check your wiring, something isn't hooke dup right. sounds like you have the illumination wire hooked into the power of the radio to me.

You need 3 main wires to power up the unit, ignition power, constant power for memory, and ground.

Double check your wiring, and use a test light to find the right wires.

Alon

Ha, reminds me of a blown fuse on my '88 420SEL. The head unit would only work with the door open!