Points in the distributor melt when turning key on?

Question:
a hot wire from the fuse box is hooked in the plus +side of the ignition coil and the minus- side is hooked direct in to the distributor with a condensor on the same wire hooked into the points. i have had no problem with this car , and then when i turn the key on , it just melts my points in like 5 sec , there is no ballast resistor that i can see on eny of this wireing ? eny ideas of whats wrong ? i changed the condensor too and it still melts , ? this is a1975 mercedes benz 230 points distributor

Answers:

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Sounds like the coil to me too. It should be dropping that voltage.
You could add a ballast resistor if this Mercedes uses an external solenoid. Check you library for an old Ford wiring diagram from the '60s and wire it the same way.
Basically, the ballast resistor is in the circuit in the run position, and out when the car is starting. This is accomplished using the second small contact on the solenoid.

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You sir have a bad ignition coil.

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Car question-?

It's been many years since the auto industry did away with points and condensor - type ignition systems. This is one of the reasons they did it! It seems to me that if you change the whole ignition system, it should fix the problem. The last time that happened to me it was caused by a bare wire inside the distributor... When the wire is damp, it causes a short circuit and this will melt the points. That is also why they started putting an 'acc' position on the key switch, because if your ignition is energized for too long, the contacts on the points become welded together.

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sounds like you have a bad coil. the condensor really has nothing to do with the points burning. however if you leave it wired this way I believe you'll find you can't turn the engine off with out unhooking your wire from the coil to the fuse box as you have in essence hot wired the car

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I have a 96 truck that keep shutting off if the tact meter gets below to 0 and the oil light will come on?

on the coil,the - hooks to the distributer and the + is the ignition side.sounds like the coil has a short in it.

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