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Andyreet

Dashboard backlight not illuminating

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My Dashboard backlight is not illuminating correctly, it’s usually on when I start the car and turn my lights on but as soon as I move it turns off, then doesn’t come back on until I hit over 60mph at which point it quickly flashes on and goes back off as soon as I stop accelerating. All the gauges work absolutely fine the whole time and i’ve checked all of my lights which work. I’ve only recently had a new alternator too. Any ideas? 

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could be the dimmer switch thing next to the lights switch. loose wire?

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that's what i would suggest looking at first.

pull it out and just bridge the two wires.

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On 30/03/2018 at 11:27 PM, Rich said:

that's what i would suggest looking at first.

pull it out and just bridge the two wires.

Sorry but what do you mean bridge the two wires? There’s a fair few wires going into the back of the light switch 

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next time I am near a Lupo I will make a picture. 

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do all the dash/switch lights do it, or just the instrument cluster?

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ok, then it's definitely something to do with supply to or from dimmer switch. basically the supply to the entire circuit affected. try what rich says and find the wires which supply the entire illumination system. 

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unlikely, as the main feed splits many ways. me thinks lucky coincidence.

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