![]() The backup light system provides visibility to the rear of the vehicle at night and a warning to theįigure 2-69. This sequence of events will repeat a few times a second, causing a steady flashing of the turn signals. When the turn signals are actuated, current flows into the flasher - first through the heating coil to the bimetallic strip, then through the contact points, then out of the flasher, where the circuit is completed through the turn-signal light. The bimetallic strip serves as one of the contact points. It consists basically of a bimetallic (two dissimilar metals bonded together) strip wrapped in a wire coil. 2-70) creates the flashing of the turn signal lights. Knobs for above switch: Grey, Ivory and Black TURN SIGNAL SWITCH, 1966-1967. As a left or right turn signal is selected, the stoplight circuit is open and the turn- signal circuit is closed to the respective rear light. TURN SIGNAL SWITCH, March 1957-1965, 6 wires. When the turn- signal switch is turned off, it must pass stoplight current to the rear lights. This somewhat complicates the design of the switch in that the stoplight circuit must pass through the turn-signal switch. ![]() A common design for a turn- signal system is to use the same rear light for both the stop and turn signals. Typical turn-signal switch.Ī wiring diagram for a typical turn-signal system is shown in figure 2-69. Details 4 In Stock SKU VSM999827 81.32 Turn Signal Switch - Peterbilt 480827G Replacement turn signal switch for Peterbilt trucks. It is designed to shut off automatically after the turn is completed by the action of the canceling cam.įigure 2-68. Details 3 In Stock SKU VSM920 66.34 Universal Turn Signal Switch with horn button (8 wire) Replacement turn signal switch for golf carts and electric vehicles. The turn-signal switch is located on the steering column (fig. These signals indicate a left or right turn by providing a flashing light signal at the rear and front of the vehicle. Vehicles that operate on any public road must be equipped with turn signals. Their operation is described in the "Headlight Switch" section of this TRAMAN. See the section 'Checking the Turn Signal Switch.' Finally, check for an electrical open or a short circuit in the wiring that connects to the external lights. ![]() Blackout lighting control switches are designed to prevent the service lighting from being turned on accidentally. Also, check for a bad connection at the turn signal switch or an open in the part of the circuit that connects the flasher unit to the turn signal switch.
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