Mixing up the jumper cables or touching the cable ends together can damage the vehicle and potentially cause personal injury.
Touching positive and negative battery cables.
Even after your battery is removed touching the 2 terminals together with out even having any source of power you will even create a small spark draining what s left.
Fasten the joined cables as far away from the battery as possible.
The complex electronic systems of modern vehicles can also be destroyed by reversed polarity.
Are these myths or does it actually work.
Remove the positive and negative battery cables connect them to each other and secure them with electrical tape.
Anybody ever heard of resetting the computer by disconnecting the positive battery lead and touching it off on the negative battery terminal.
Reversing these polarities will almost certainly result in a massive spark that can cause severe burn injuries.
This lasted a while.
Touching the negative and positive battery cables together for about 30 seconds to clear the check engine light depending on what s made it come on and to also kinda of reset the sporadic electrical issues ones car may have.
Attach one end of the positive red jumper cable to the positive terminal of the dead battery.
I had a guy tell me that this car learns the driving habits of the operator and i may need to reset the computer by doing this.
Mix the cleaning solution.
Accidentally touched positive battery cable to negative post 1993 nissan d21 my battery went out on my truck and it would not start so i exchanged my old battery at wal mart for a new one took it home and proceeded to put it in.
Jumper cables are universally color coded red for positive and black for negative.
Then reconnect the cables to the battery and the system.
Touching both the positive and negative will discharge what ever remaining power is in the ecu.
To understand what happens when battery cables touch you need to know about the flow of electric current.
Put on your safety glasses and protective gloves.
Also the ground or negative cable should not be touching anything metal while the positive cable is hooked up.
In any circuit external to a battery direct current flows from the positive post of the battery through the circuit and back to the negative post.
In a clean bucket mix a thin solution of lukewarm water and baking soda.
The one solution was to disconnect the negative cable from the battery then reconnect it in about two minutes.
The car is an 03 v70 2 4l non turbo and it is running poorly.
When attaching the battery cables place the positive cable on first and then the ground cable.
