Jumper cables 101 Disaster
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Well first of all if you hook up jumper cables backwards you will get a big spark off the battery. telling you it is something wrong. and you need to check your connections. For this not to happen look at your battery before hooking up the cables. There it a + for positive which is red and a - for negative which is. The battery was bad and was the only problem until the customer attempted to jump start it and hooked the cables up backwards. What I'm trying to say is, does this usually happen when you hook the cables up wrong? . Grab the jumper pack to keep the memory, hook up one lead and then the other. 28 May You probably just burned the fusible links. If your stereo was on you might have fried it. I recently learned that there is an orange relay with a diode inside that protects the ECU from reverse-voltage if the battery or jumper cables are hooked up wrong. I don't know if the TCU (automatic) is also protected this.
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Re: What happens if you connect jumper cables incorrectly?
Harm to minors, violence or threats, harassment or privacy invasion, impersonation or misrepresentation, fraud or phishing, show more. Actually they are all correct and then some.
A lot depends on the quality of jumper cables that you use. It is not a good thing and if you insist on trying it take two older batteries you can actually get some used ones at the junk yard and do this.
What happens if you hook up jumper cables backwards on a car?
If the battery doesn't blow it will eventually fry the battery cables. Electricity is weird and it usually never does the same thing twice. You will find that elec power will follow the path of least resistance.
That is why one person said it will do one thing and someone else said something different. They have experienced it differently. I have seen a multitude of things that have happened to people when the jump a car not knowing how to do it correctly.
Want to add to the discussion? If you do not understand what is causing this behavior, please contact us here. If no current, replace the starter solenoid - they aren't too expensive.
Master Mechanic shop owner 40 yrs. Check all the other fuses and fuse links - look especially for one that is in the circuit to the computer.
It isn't likely you hurt your starter unless it was engaged when you did the deed, but you may have fried the starter solenoid. If it is accessible, and you have a 12 volt tester, you can test it by touching the tester to the starter terminal and to a ground while you try to start the car. If the tester shows current flow the starter may have been affected.
If no current, replace the starter solenoid - they aren't too expensive. If you have checked everything mentioned without finding a problem, it is most likely the computer. If you know where it is located in the car you can pull it out.
Before I thought about buying a new one I'd ask at Auto Zone, or some other parts store, if it was testable. If not I'd start link the auto salvage places to find a good used one. Don't know what it would cost, but buying a new one will likely cost a pretty penny. Well first of all if you hook up jumper cables backwards you will get a big spark off the battery.
For this not to happen look at your battery before hooking up the cables. But the only real damage is maybe a blown fuse. Your chips may get fried before any fuse has a chance to kick in. This goes for BOTH cars in the boost. Need a Home Security Safe? Hooked up jumper cables backwards now my car wont start no lights, nothing, what have I done?
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