Touching Positive And Negative Battery Cables

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.

Touching positive and negative battery cables.

This lasted a while. Anybody ever heard of resetting the computer by disconnecting the positive battery lead and touching it off on the negative battery terminal. Are these myths or does it actually work. 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.

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. The complex electronic systems of modern vehicles can also be destroyed by reversed polarity. Jumper cables are universally color coded red for positive and black for negative. Remove the positive and negative battery cables connect them to each other and secure them with electrical tape.

Reversing these polarities will almost certainly result in a massive spark that can cause severe burn injuries. Also the ground or negative cable should not be touching anything metal while the positive cable is hooked up. The current not the movement of electrons then moves back. Fasten the joined cables as far away from the battery as possible.

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. Mix the cleaning solution. Mixing up the jumper cables or touching the cable ends together can damage the vehicle and potentially cause personal injury.

When attaching the battery cables place the positive cable on first and then the ground cable. 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. Put on your safety glasses and protective gloves. Do not allow the cables to touch on the free end not yet hooked into another battery while the cables are connected to the first battery.

Then reconnect the cables to the battery and the system. The car is an 03 v70 2 4l non turbo and it is running poorly. The honda service manager told me it s best to disconnect both cables touch the ends together and that drains all remaining electricity out of the system. The one solution was to disconnect the negative cable from the battery then reconnect it in about two minutes.