Installing Car Battery Positive Or Negative First. If you connect the positive terminal first the ground isnt connected. When connecting a battery charger I connect the positive lead first.
You really do not want. Ad Get Your Motorcraft Tested Tough Plus Batteries For 10495. When installing the new battery always connect the negative cable to the battery last.
Taking the negative completely off the battery is the standard way to work on anything on a car but I dont know if you mean everything or just the amp wiring.
After youve removed your car battery its time to install the replacement. The positive post may have a red plastic cover over it andor the cable attached to it will be red. I dont do it for amp swaps as. Remove the negative and positive jumper cables from the vehicle with the known good battery.
