So I hooked my jumper cables up wrong last night in the dark, and didn't notice the smoke until after trying to crank the dead Mitsubishi Mirage. The car with the good battery was a Toyota Corolla... The Toyota is fine, but the Mirage is dead. What did I do? Can it be fixed? It melted the rubber on the jumper cables.
It would seem to me, Don,that if he put the jumpers on wrong, he is essentially connecting the batteries in a series circuit and is darn lucky that a battery didn't explode.
I am not sure which 'main fuse' he might have blown out with this setup, but I guess anything is possible.
I was also wondering what a 'ballast resistor' might be in this case.
I knew that. The reference as to whether or not its "external to the voltage regulator" makes no sense. A backwards battery jump would not hurt it in any case.
Fuck that. A better technique is to learn the difference between red and black. Unless it is pitch dark with a new moon and somehow the car with the good battery has no working headlights, this is trivial.
The Mirage will require that every electrical component with any semiconductors be checked. That includes the alternator, engine computer, ignition system, fuel pump, etc.
I've never questioned your knowledge. You've forgotten more than I've ever known.
Maybe it's just because I'm in Canada and don't usually get to see US- market cars, but I thought they were known as the Dodge/Plymouth Colt in the US. That's what they were called up here, anyway.
I always thought Mirage was one of the non-US names for that car.
That is pretty old. I remember the oil Kettering systems had resistors that decreased current during 'run', but were switched out of the circuit during 'start' conditions. I guess that is what he was referring to. But if so, it has nothing to do with a backward battery jump.
Yes, until you encounter the car whose owner used a red cable as a ground connection because that's what he had around that day. I'll tell you, THAT was an exciting experience.
Typical crappy jumper cables will limit the peak current. Probably were crappy since they melted. If they had been "00" gauge with really stout clamps a battery explosion would be more likely and the jumpers would not have melted.
Fuse for alternator output and possibly other functions -- frequently blows and saves the alternator.
OK, normally when that happens the fuse link wires blow out.
These wires are normally at the end of one of the positive battery cables either at a power distribution box or starter solenoid.
These wires will be on the same bolt as the batter cable and are about
8" long, fat and soft with a big tube crimp connector where they join the harness pieces they protect.
The fuse link wire can be bought in bulk and new pieces crimped in or sometimes the dealers sell them. At the cost the dealers want, I usually visit the junk yard first.
Mike
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