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Why are your dash lights are on in a 1992 Volvo 240 and get brighter when you rev the engine and dimmer when you brake?
Wiki User
∙ 16y ago
You are experiencing a voltage regulation problem. If you look at your headlights during that rev period, they should appear brighter also. The taillights, during braking, load the electrical system and therefore, drop the voltage and cause the lights (all lights, they are most easily noticed) to dim. Go to an Advanced Autoparts store and have them test your charging system for free.
Wiki User
∙ 16y ago
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