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Wiring diagram - HEADLAMP WASHER - Alfa Romeo GT 1.8 T.SPARK
Components - HEADLAMP WASHER - Alfa Romeo GT 1.8 T.SPARK
| Component code | Name | Assembly reference |
| B1 | JUNCTION UNIT | - |
| B1 | JUNCTION UNIT | |
| B1 | JUNCTION UNIT | |
| B2 | JUNCTION UNIT UNDER DASHBOARD | |
| B5 | MAXI FUSE-1 BOX | - |
| B99 | MAXIFUSE BOX ON BATTERY | |
| C11 | RIGHT FRONT EARTH ( FRONT ) | - |
| C15 | FACIA EARTH, DRIVER''S SIDE | - |
| H1 | IGNITION SWITCH | |
| H5 | STEERING COLUMN SWITCH UNIT | |
| J50 | HEADLAMP WASHER TIMER RELAY | - |
| M1 | BODY COMPUTER | |
| N25 | HEADLAMP WASHER PUMP MOTOR |
Location of components - HEADLAMP WASHER - Alfa Romeo GT 1.8 T.SPARK
Components - HEADLAMP WASHER - Alfa Romeo GT 1.8 T.SPARK
| Component code | Name | Assembly reference |
| B1 | JUNCTION UNIT | - |
| B1 | JUNCTION UNIT | |
| B1 | JUNCTION UNIT | |
| B2 | JUNCTION UNIT UNDER DASHBOARD | |
| B5 | MAXI FUSE-1 BOX | - |
| B99 | MAXIFUSE BOX ON BATTERY | |
| C11 | RIGHT FRONT EARTH ( FRONT ) | - |
| C15 | FACIA EARTH, DRIVER''S SIDE | - |
| H1 | IGNITION SWITCH | |
| H5 | STEERING COLUMN SWITCH UNIT | |
| J50 | HEADLAMP WASHER TIMER RELAY | - |
| M1 | BODY COMPUTER | |
| N25 | HEADLAMP WASHER PUMP MOTOR |
Description - HEADLAMP WASHER - Alfa Romeo GT 1.8 T.SPARK
The headlamp washer device is responsible for washing the front windscreen and the headlamp lens.The headlamp washer function is managed by the Body Computer which automatically operates the headlamp washers - with the dipped or main beam headlamps on - when the windscreen washer is operated, via the lever on the right of the steering wheel.The headlamp washer device consists of a detergent delivery pump and a nozzle in the bumpers that sprays a powerful jet onto the headlamp.A timer operates the headlamp washer pump in a series of half second pulses.The headlamp washer circuit is protected by a fuse and adjusted by a specific relay, located in the engine compartment control unit.
Functional description - HEADLAMP WASHER - Alfa Romeo GT 1.8 T.SPARK
The relay T17 for the engine compartment control unitB1is supplied by the line for fuse F9 for the engine compartment control unitB1and is energized by the line ''controlled by the ignition'' (INT/A) from fuse 31 of the underdashboard control unitB2.The relay operates the headlamp washer pumpN25directly when the command arrives from the Body ComputerM1.The Body Computer, in turn, processes the signal, at pin 14 of connector A, coming from the steering column switch unitH5 and the go ahead with the main beam or dipped headlamps on.
