Yes, you need to turn off the power when you change (replace) a light switch, since at least one of the terminals on the switch will always have power if the circuit is energized at the panel.
To use the power to switch on the light, locate the light switch and flip it to the "on" position.
I can not understand your question.
To change a regular light switch to a dimmer switch, you will need to turn off the power to the switch at the circuit breaker, remove the existing switch, install the dimmer switch according to the manufacturer's instructions, and then turn the power back on to test the dimmer switch. It is important to follow all safety precautions and consult a professional if needed.
To change a light switch to a dimmer switch, first turn off the power to the switch at the circuit breaker. Remove the existing switch cover and switch. Disconnect the wires from the old switch and connect them to the dimmer switch according to the manufacturer's instructions. Install the dimmer switch into the electrical box and secure it in place. Finally, replace the switch cover and turn the power back on to test the dimmer switch.
To change a light switch, first turn off the power to the switch at the circuit breaker. Remove the cover plate and unscrew the switch from the wall. Disconnect the wires from the old switch and connect them to the new switch in the same way. Screw the new switch back into the wall and replace the cover plate. Turn the power back on and test the new switch to ensure it is working properly.
To change a light switch to a dimmer, first turn off the power to the switch at the circuit breaker. Remove the existing switch and disconnect the wires. Connect the wires to the dimmer switch according to the manufacturer's instructions. Install the dimmer switch into the wall box and secure it in place. Turn the power back on and test the dimmer to ensure it is working properly.
To change a double light switch, first turn off the power to the switch at the circuit breaker. Remove the cover plate and unscrew the switch from the electrical box. Disconnect the wires from the old switch and connect them to the new switch in the same way. Screw the new switch back into the electrical box and replace the cover plate. Turn the power back on and test the switch to ensure it is working properly.
Change the wall outlets
Power is being interrupted; the turn signal switch is a power juction see if the power is flowing thru it.
To change a light switch with 2 wires, first turn off the power to the switch at the circuit breaker. Remove the cover plate and unscrew the switch from the wall. Disconnect the two wires from the old switch and connect them to the new switch, making sure to match the wire colors. Screw the new switch back into place, replace the cover plate, and turn the power back on at the circuit breaker.
The Chevrolet Colorado brake light switch is quite simple to change. The brake light switch simply plugs in and out.