Disconnect the negative cable first.
Simply unplug the battery and replace the cords to the battery!
Just unplug your battery cables and it resets the OBD computer. A
You don't have to unplug the horn to replace the battery.
Best to unplug it and then disconnect it from the battery. Reason being is that if you disconnect it from the battery first you will create a spark. That spark could ignite any fumes from the battery.
If you unplug the battery is for sure is not going to start. What are you asking?
Connect the positive (+) Red cable from the charger to the positive (+) post of the battery. Now connect the negative (-) Black cable to a metal part of the engine. Do not connect to negative battery post. Plug the charger in. Unplug the charger before removing the cables. Disconnect the negative cable first.
The batterie cables are usually the easiest
Disconnect the battery cables and then unplug any wires underneath the seat and there are 4 nuts on studs that hold the seat in, take the nuts off the studs and pull the seat out.
It should be under the seat if its like most bikes. - It's under the frame. There is an access panel on the right side of the bike, under the tank. Remove both seats, the entire tank cover and then the battery access panel. Now you can remove the battery (must unplug two cables to get it out).
before you do anything with the alternator, make sure to unplug the battery. Then unplug the cables going into the alternator. There should be two. For the belt there is an engine part called a pulley - lift the pulley upwards to loosen the belt and take it off the alternator. Next you can unscrew the bolts attaching the alternator and take it out.
To remove the heads on a 305 Chevy, first disconnect the battery, carb and throttle cables. Also disconnect the sensors and vacuum hoses. Unplug water temp gauge sensor on the thermostat and disconnect pump from brackets.