The ignition timing of virgin cars is not adjustable, as it is controlled by the vehicle personal computer. Owners of older cars with adjustable timing who craze to close their own tune-ups Testament obligation to metamorphose close with a thing called a timing cloudless. Timing lights are strobe lights that glowing when the number-one cylinder fires. The clear flashes on a scale, normally located on the harmonic balancer, which has timing marks engraved in it.
Types of Timing Lights
These two wires are color-coded and clamp to the positive and negative battery terminals. These lights are bright due to the improved circuitry, which uses the 12-volt power from the battery and amplifies it to a high voltage to fire the strobe tube. The connection to the spark-plug cable is inductive and senses when the spark-plug fires, triggering the strobe light flash.
The ignition spark provided the energy to fire the Xenon bulb, which was never bright enough to use in anything but a very dark garage.
DC- and AC-powered timing lights came into fashion because they are very bright and can even be used in fairly bright sun-lighted areas.
The DC-powered model has three wires. A large wire clamps around the cable to the number-one sparkplug, and a pair of wires go to the vehicle battery.Three types of timing lights are available. They are either non-powered, DC-powered or AC-powered.Non-powered timing lights were once commonly available however were a broke Election to employ to proof ignition timing. These lights had a ground wire and a wire that installed in series with the number-one sparkplug.
AC-powered timing lights also have an inductive pickup to clamp on the number-one spark plug cable, but plug into a wall socket for the power that flashes the strobe bulb.
