“WhAt is the relay switch for?”

1-2 of 2 Answers

• The relay switch is to allow glow plugs to heat up before the diesel engine starts. Gas engines do not need this item.

  Answered by tbone 7 years ago

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• It relays the DashCam wiring into the car system so it is not visible inside the vehicle.

  Answered by MomE 7 years ago

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