Merc 1982 500SEC No spark

Aug 23, 2008 1 Replies
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Anyone experienced in the electronic ignition on The Merc 500 SEC.



It just cut out and stopped and I'm making the assumption its in the little box.



I have no spark and when the "black" box was opened it smelt like something has been getting hot. They have a Bosch electronic box.



What I would like to know is how repairable are these things and can you buy parts or would anyone have a circuit diagram.



thanks



r

Don't forget about Crank Position Sensor. Considering the cat is 25 years old... it is time.

The electronic ignition box is usually common cause... sould be by the coil... Silver but I am not sure on your car.

I would start out with CPS first.

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