Question about 1999 Toyota Corolla

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The alarm system of my car is brokendown, it switches on by itself what are the possible causes

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I wonder how old the alarm system is. Many of these systems failed eventually due to corrosion in the electronics. Before replacing the alarm unit make sure wiring is ok ( no cracked wires or loose ends). The alarm systems usually come with a manual that shows you how to reset it. Try to do that before decide to replace the unit.

Posted on Apr 15, 2011

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