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Where the brake light relay is on a 2000 mercury cougar or why the brake lights wont work the fuses and lights are good?
Wiki User
∙ 12y ago
Check the brake light switch first. It is usually near the brake pedal under the dash. A bad turn signal switch can also cause this if the brake lights are also turn signal lights. If the brake lights are independent of the turn signals then disregard the switch problem. A good wiring diagram will help to diagnose the problem also. Check with dealership mechanics as they have access to diagrams.
Wiki User
∙ 12y ago
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