The cable connected directly to the car body or engine. Usually the negative. The other cable will have more than one wire coming off it. I once blew up battery doing it the other way. The spanner welded itself to the chassis when it touched the battery terminal and the chassis at the same time causing a massive short. Lots of pretty sparks and flames though.
The negative battery cable from the battery.
The negative cable should always be disconnected first so you don't die of and electrical shock or in a bad explosion from hot sparky wires.
When charging a battery, you should always connect the red cable first before the black cable.
To replace a mirror in a Toyota vehicle, first, the negative cable of the battery should be disconnected. Then, the mirror cover should be removed from the door panel carefully, and the wiring disconnected so the mirror can be replaced.
the first cable - after +
No, the ground cable gets always disconnected first and connected last, regardless of ground polarity.
When connecting a battery to a vehicle, the red positive cable should be connected first.
When servicing a battery, the negative cable should be disconnected first and reconnected last. This practice helps prevent sparks and reduces the risk of a short circuit if the tool touches any metal while working on the positive terminal. Always ensure safety by wearing appropriate gear and following manufacturer instructions.
Connect the negative cable first.
Always disconnect the negative cable first. When reconnecting both cables, connect the positive first. This will prevent any sparks or shorts.
When charging a battery, it is recommended to connect the red cable first, followed by the black cable. This is the standard procedure to ensure safe and proper charging.
When jumping a car battery, the red positive cable should be connected first.