RepairPal Certified shops can diagnose and repair your 2006 Mercury Mountaineer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
i think on that one,there are 2.one on the left side,one on the right side. you need to remove the inner fender splash shields to get to em.if they are blasting,just pull the horn relay,its most likely bad,if this is whats happening.