Shoe-me 03.w3031 Random Headlight Flasher

US $260

Ocean Isle Beach, North Carolina, United States
May 29th

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SHO-ME 03.W3031 RANDOM HEADLIGHT FLASHER The 03.W3031 flasher is designed to flash headlights on vehicles with ground switching headlight systems. "Positive Ground" (or "ground switching") means that the headlight "common" wire is connected to +12 volts, and the headlight is activated when the dimmer switch connects ground (0 volts) to the high OR low beam. This flasher will provide a ground (0 volts) to the headlights when flashing or when high beam override is active. Because of this switching arrangement, the ground wire of the flasher must be fused, as it will be carrying the load of the headlight circuit. Wire the flasher as shown in the diagram, noting the fuse sizes on "Positive and Ground". To facilitate using smaller switches for headlight control, it is common to find headlight relay(s) on modern vehicles. These relays may be used for different purposes on various vehicles. One relay is generally used to supply power (+12V) to the headlights when the headlight switch is turned on. In order to make use of a headlight flasher on a vehicle that uses a relay as described, an additional relay can be installed to imitate the function of the original relay each time the flasher is turned on. Or, simply turn on the headlights every time the flasher is turned on depending on the requirements of the installation. Daytime running lights, when doubling as headlights, can be a difficult obstacle to overcome while installing a headlight flasher. Originally, vehicle manufacturers used a PWM (pulse width modulation) circuit to reduce the voltage applied to the headlights. This allowed them to efficiently burn the lamp at reduced intensity. However, the cost of the PWM circuit led them to discover that by connecting the lamps in series, they could effectively apply 7 volts to each bulb. A headlight control module generally does this switching. In order to install a headlight flasher on such a vehicle, the daytime running lights must be disabled anytime the flasher is active. If the vehicle manufacturer has provided a means of controlling whether the day time running lights are active or not, installation of the flasher will be simplified. (This control may be an actual wire on the headlight control module, or a separate switch on the emergency brake, (etc.). Either disables the running lights permanently, or wire a relay to the flasher switch to temporarily disable them anytime the flasher is active. When selecting a location to mount the flasher, keep in mind that the life of an electronic device is directly dependent on the temperature in which it is operated - the cooler the unit, the longer the life. Select a mounting location that is away from sources of extreme heat.