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What would cause my dashboard warning light to stay on when the emergency brake is off.?
Wiki User
∙ 14y ago
Usually, the cause for this is that the switch used to sense the position of the Parking brake lever is either out of adjustment, or the contacts within the switch are stuck together.
The switches are usually operated by a "plunger" pin which is spring loaded. When the Parking Brake is applied, it presses the plunger in, closing the switch, and causing the light to turn on.
When the Parking Brake is "OFF, an internal [usually] spring pushes the plunger "out," opening the warning light circuit and thus turning the light off.
Occasionally on some vehicles, this is just backwards, IE, plunger "in" turns light on, and plunger "out" turns light off.
You will have to analyze the operation of your Parking Brake in relation to when the light is on or off compared to the brake lever position.
The switch is "adjusted" by moving it closer or farther away from the arm that pushes the plunger pin in, or allows it to move out.
Wiki User
∙ 14y ago
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blown bulb in the dash pannel, or bad switch on the bottom of the handle , or bad wireing !
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