1986 560SL. I have started to blow some fuses. First, it was the fuse that has the outdoor temp gauge on it, and now it's the radio fuse. Sometimes the fuse blows immediatly when I start the car, other times when I shut the car off. I can tell because the radio and the clock are on the same fuse, and the time is stopped when the fuse blows, obviously.

Is this related to the ignition switch as it is in some of the other cars?

If so, is this a DIYS project, or must I have someone else do it?

What should I expect to pay for an ignition switch?

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1986 560SL 145k