Underbonnet lamp - removal, refitting and bulb renewal
1 Disconnect the battery negative lead.
Removal and refitting
2 Detach the wiring connector at the left-hand bonnet hinge, and attach a length of string to the end of the wire running from the lamp.
3 If necessary, remove the underbonnet insulation by prising out the two-piece plastic securing clips, then working at the lamp, pull the wiring and the string through the bonnet panel.
4 Detach the string from the end of the wire, and remove the screw securing the lamp to the bonnet. Withdraw the lamp.
5 Commence refitting by attaching the end of the wiring to the string, and pulling the string and wiring through the bonnet panel. Further refitting is a reversal of removal.
6 Simply press and twist the bulb to remove it from the bulbholder (see illustration).
28.6 Removing an underbonnet lamp bulb
7 Refitting is a reversal of removal.
Horn - removal and refitting
1 The horn(s) is/are located in front of the radiator beneath the front panel (see illustration). The horn(s) may be located on either side of the vehicle depending on model.
29.1 Horn location beneath front panel
2 Disconnect the battery negative lead.
3 Disconnect the wiring from the horn, then unscrew the securing nut and washer and withdraw the horn and bracket assembly complete.
4 Repeat the operations for the remaining horn where applicable.
5 Refitting is a reversal of removal.
Diagram 1: 1980-86 Starting, charging, and ignition (except
fuel injection models)
Diagram 1: 1980-86 Starting, charging, and ignition (except fuel injection models) ...
Ford Sierra Service Manual
Spark plugs and HT leads - removal, inspection and refitting
Note: The correct functioning of the spark plugs is vital for the correct running and efficiency of the engine. It is essential that the plugs fitted are appropriate for the engine, and the suitabl ...