Ford Sierra Manual

Anti-theft alarm - location, removal and refitting
Body electrical system / Anti-theft alarm - location, removal and refitting


Note: The alarm system has a self-diagnosis function, which allows a Ford dealer to carry out fault diagnosis, using suitable specialist equipment. In the event of a problem with the alarm system, it is advisable not to tamper with the components until appropriate fault diagnosis has been carried out.

Location
1 From 1990, certain models are fitted with an anti-theft alarm (see illustration).

51.1 Anti-theft alarm system components
51.1 Anti-theft alarm system components

A Tailgate/boot lid switch B Control module
C Horn
D Bonnet switch
E Door switch
F Activating switch

2 The alarm system consists of a control module mounted behind the driverТs side facia; trip switches fitted to the doors, tailgate/boot lid, and bonnet; activating switches fitted to the front door locks; an additional horn mounted at the bulkhead next to the battery and an indicator light mounted on the top of the facia.

Module - removal and refitting 3 Disconnect the battery negative lead.

4 Release the carpet trim panel from under the driverТs side facia.

5 Reach up behind the facia and locate the control module. Release the plastic retaining clips using a screwdriver, and lower the module.

6 Disconnect the wiring plug and withdraw the module.

7 Refitting is a reversal of removal.


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