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Rear light going off when brake light comes on

Discussion in 'Car Repairs / Maintenance' started by WSB, 17 Aug 2017.

  1. WSB

    WSB

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    My Zafira rear lights work fine. My rear brake lights work fine with rear lights off.
    But if I brake with rear lights on, on one side, no lights come on at all.
    I have changed the bulb but that has made no difference.
    Any ideas?
    Dodgy connection?
     
  2. Burnerman

    Burnerman

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    A dodgy earth connection in the lamp cluster, more than likely.....assuming the correct bulbs have been fitted!
    John :)
     
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  4. WSB

    WSB

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    Thanks, pretty sure the bulbs are correct, as the problem only started occurring recently with the same bulb. Cluster looked ok at first inspection. Will give it a good going over and clean up over the weekend.
     
  5. Tech_Man

    Tech_Man

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    It could be a broken wire in the loom. Vauxhalls are notorious for snapping wires at any point that has a pivot and a wire runs through. Its notmally around the hinge area and you will see a black gromit between car body and tailgate. However to inspect you need to move the gromit away which can be hard. I would check the cluster first
     
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