Toyota 81980-50030 Flasher Assy, Turn Signal

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The turn signal and hazard flasher is just one combined assembly that is mounted at the interior fuse/relay box. normal operation is characterized by a click sound, otherwise, it will sound like a rattling. If one of the side's turn signals does not emit the clicking sound, or if one of the bulbs on one side blinks rapidly while the bulb on the other end is not illuminated, the turn signal bulb could be faulty. If none blinks then this could be as a result of a faulty flasher unit/ unit, faulty switch, a loose or open connection or a fuse that has blown. Depending on the vehicle, it is possible to check the fuse box and notice that a turn signal fuse may be missing or blown; before putting in a new fuse, one should look for a short in the wiring. To remove the flasher, the electrical connector should be disconnected from the light and the flasher was then unmounted from the electrical center, When installing the new flasher it should be noted that the new unit should be identical to the old flasher which was compared before installation, the process of installation was done as follows, by reconnection of electrical center and wiring.

Refer to the wiring diagrams for the circuit to determine the proper connections for the relay you're testing. If the correct connection cannot be determined from the diagrams, additional information may help.

The first step is to remove the knee bolster trim panel.

If a circuit or system controlled by a relay develops a fault, operate the system. If the relay is functioning, it should be possible to hear it 'click' as it is energized. If this is the case, the fault lies with the components or wiring of the system.

To test a relay, connect an ohmmeter across the two terminals of the power circuit; continuity should not be indicated. For a typical four-terminal normally open relay, connect an ohmmeter to the two terminals of the power circuit-the meter should indicate continuity with the relay energized and no continuity when not energized.

Some relays may be marked to help determine which terminals make up the control circuit and which make up the power circuit.

When the flasher unit is functioning properly, a click can be heard during its operation.