What happens if you accidentally hook up the battery cables backwards?
When the jumper cables are incorrectly connected, the polarity of the electrical system on the vehicle with the dead battery will be reversed for a few seconds. This can irreparably damage many of the sensitive electronic components that are common on today’s vehicles, such as on-board computers and electronic sensors.
What would happen if you connect a car battery the wrong way?
When a car battery is connected backward, a fuse designed to protect vehicle electronics should blow. If your vehicle doesn’t have a fuse (almost all cars do) designed for this purpose, you will send electrical current backward through systems in your car, including ECU, transmission control unit, and more.
What happens if you hook up a car battery incorrectly?
If you aren’t clear, and concise, in your claim, you might lose your claim. You need to go to the shop manager or store manager for resolution. You should not have to pay for any parts or labor for the new alternator. Hooking up the battery incorrectly blew the alternator.
Can a Camry battery be hooked up wrong?
It is also on a gen 6 Camry 2009 le. I did my biggest screw up today I went to hook up a new battery and didn’t notice the terminals were opposite of the old one. I hooked up one and as soon as I touched the other terminal it sparked and the horn honked. I straightened it out but now the car won’t start. I checked all the fuses and found one blown.
Can a store hook up a car battery backwards?
The store should pay to restore your car to the condition is was in before they messed up the battery installation. The position of the old battery is not material, and is no excuse for the store hooking up the + cable to the – terminal of the battery. They owe you to make it right, it was their mistake.
Why is my car cranking so long after I disconnected the battery?
With regard to the longer cranking times, it’s probably a result of the battery power being removed from the ECM and so it lost all of the memory stores for operating parameters. It has to re-learn over time and use to custom tailor the controls to the engine condition.