General information and precautions

The body electrical system consists of all lights, wash/wipe equipment, interior electrical equipment, and associated switches and wiring.

The electrical system is of the 12 volt negative earth type. Power to the system is provided by a 12-volt battery, which is charged by the alternator (see Chapter 5).

The engine electrical system (battery, alternator, starter motor, ignition system) is covered separately in Chapter 5.

Precautions
Warning: Before carrying out any work on the electrical system, read through the precautions given in “Safety first!” at the beginning of this manual, and in Chapter 5.

Prior to working on any component in the electrical system, the battery negative lead should first be disconnected, to prevent the possibility of electrical short circuits and/or fires.

    See also:

    Rear roadspring (Saloon and Estate models) - removal and refitting
    Removal 1 Raise the rear of the car and support it on stands (see “Jacking and Vehicle Support”). Remove the roadwheel. 2 Support the suspension lower arm by placing a jack beneath the spring sea ...

    Load apportioning valve (anti-lock braking system) - removal and refitting
    Note: Before starting work, refer to the warning at the beginning of Section 3 concerning the dangers of hydraulic fluid. Removal 1 Raise the car on a hoist or drive the rear of the car up on ram ...

    Ford VV carburettor automatic choke components - removal, checking and refitting
    Bi-metal housing Note: A new gasket will be required on refitting. Removal 1 Disconnect the battery negative lead. 2 Remove the air cleaner as described in Section 2. 3 Release any pressure in ...