Mitsubishi ASX 2015: What is causing the headlights to dim?

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When the air-con or heater is on the headlights on my 2015 Mitsubishi ASX dim. Any ideas?

Answered by CarsGuide

7 April 2017

Have the battery checked to see it is in peak condition, and also check the alternator to see that it is putting out what it is meant to be putting out.

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