Check power screwdriver screwdriver check light is both the light and the light switch, if the light bulb in the depolarized the screwdriver out. To fire only one. If the ignition switch is on both sides.
Check out screwdrivers, screwdriver, fire, fire. both direct and alternating light lights if lights straight tube in khua screwdriver check will ignite only one side. If the power switch would ignite both sides.
Check the power screwdriver screwdriver check the lights can be used for both the power and the power switch on the power connector for enhanced if the tube is in a screwdriver ABS check will be one if the light switch is self extinguishing both sides