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A fully functional set of turn signals is not only required by law, but vital for good communication and overall road safety. If one or more of your turn signals have stopped working or are not functioning properly, you may have a bad flasher unit.
In this tutorial, we will demonstrate how to replace the flasher unit on a 1978 Datsun 280Z.
Warning: This procedure includes tasks that can cause severe damage to your equipment and health if you fail to follow the precautions outlined within this procedure.
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Locate the hood latch on the bottom left side of the steering wheel.
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Pull the latch to release the hood.
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Lift the inspection cover on the left side to uncover the battery.
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Attach a 13mm socket to a ratchet extension then attach the extension to a drive ratchet.
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Loosen the 13mm bolt from the negative terminal of the battery.
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Remove the negative battery cable from the post and set it far enough aside so that it cannot come in contact with the negative battery post while you are working.
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The flasher is located under the dash on the right side of the steering wheel column.
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Disconnect the cable from the flasher.
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Attach a 10mm socket to an extension then attach the extension to a drive ratchet.
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Unbolt and dismount the flasher.
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Place new the flasher parallel to the new L-bracket.
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Slide in the L-bracket in between the new flasher and the hose clamp.
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Tie the L-bracket to the flasher with the hose clamp once they are aligned.
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Bolt in the new flasher using the same 10mm socket and drive ratchet assembly you created from step 8.
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Reconnect the negative battery terminal by reversing the order of tasks outlined in step 5.
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Be sure to fasten the cable to the post tight enough so that it can not slip off the terminal post under any circumstances.
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Power up your vehicle and test your turn signals.
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Close the hood and you’re done!
Close the hood and you’re done!
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