Integral heated rear window/radio aerial amplifier - removal and refitting
1 Disconnect the battery negative lead.
Saloon models
2 Remove both rear seat side cushions.
3 Remove the securing screws and withdraw the rear parcel shelf.
4 Make a note of the wiring connections for use when refitting, then disconnect the wiring, remove the two securing screws, and withdraw the amplifier unit (see illustration).
54.4 Integral heated rear window/radio aerial amplifier securing screws (arrowed) - Saloon models
5 Refitting is a reversal of removal.
Hatchback models
6 Unclip the tailgate trim panel.
7 Remove the amplifier bracket securing screws, and withdraw the amplifier through the tailgate panel aperture (see illustration).
54.7 Integral heated rear window/radio aerial amplifier bracket securing screws (arrowed) - Hatchback models
8 Make a note of the wiring connections for use when refitting, then disconnect the wiring and remove the amplifier unit.
9 Refitting is a reversal of removal.
Estate models
10 Unclip the tailgate trim panel.
11 Make a note of the wiring connections for use when refitting, then disconnect the wiring, remove the four securing screws, and detach the loudspeaker/amplifier bracket assembly from the tailgate (see illustration).
54.11 Loudspeaker/integral heated rear window/radio aerial amplifier bracket securing screws (arrowed) - Estate models
12 Refitting is a reversal of removal.
Test yourself
A quick Ford Sierra quiz: every answer comes with an explanation and a link to the manual page.