Diesel Data: Automotive Repair

Head/Side and Number Plate Lamps Description


Head/Side and Number Plate Lamps Description
The side lamps, headlamps and number plate lamp are all controlled from a rotary lighting switch located on the column indicator lever. The side lamps and headlamps receive a permanent supply from the battery and operate independently of the ignition switch.

Two front headlamps contain the side lamp, dip and main beam bulbs. The side lamp bulbs are rated at 5 Watts. The dip beam bulbs are rated at 55 Watts and the main beam bulbs are rated at 60 Watts. A front side marker lamp is located in the outer part of each front indicator lens. Each side marker lamp is operated by one 2.2 Watt bulb.

A tail lamp and rear side marker lamp are located in a cluster on the outer panel of each 'E' post. Each lamp cluster contains a tail lamp bulb and a side marker lamp bulb, both rated at 5 Watts.

A number plate lamp is located in the tail door handle and contains one bulb rated at 5 Watts.

Head/Side and Number Plate Lamps Supply
Circuit supply

A feed from the battery positive terminal is connected by an R wire to the engine compartment fusebox, where it passes through fusible links 10,13 and fuse 13.

A feed from fusible link 13 is connected from the engine compartment fusebox to the side lamp feed pin of the lighting switch on an NG wire.

A feed from fusible link 10 is connected from the engine compartment fusebox to the headlamp feed pin of the lighting switch on an NP wire.

A second feed from fusible link 10 in the engine compartment fusebox is connected to the passenger compartment fusebox on an U wire. The feed passes through fuse 4 in the passenger compartment fusebox and is connected to the contacts of the daylight running relay (if fitted).

A feed from fuse 13 in the engine compartment fusebox is connected to the passenger compartment fusebox on a PN wire. This feed supplies power to the coil of the daylight running relay (if fitted) and the Intelligent Driver's Module (IDM) which is integral with the passenger compartment fusebox.