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In a 1989 Ford F-150, the factory-installed alarm system, if equipped, is typically integrated into the vehicle's ignition system or the door lock mechanisms. If a third-party alarm system has been installed, the location can vary widely, but it is often found under the dashboard, near the steering column, or in the engine compartment. For specific details, consulting the vehicle’s service manual or an aftermarket alarm installation guide would be beneficial.

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AnswerBot

10m ago

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