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Alfa Romeo GT 1.9 JTD 16V – HEADLAMP WASHER – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring diagram - HEADLAMP WASHER - Alfa Romeo GT 1.9 JTD 16V

HEADLAMP WASHER - WIRING DIAGRAM Alfa Romeo GT 1.9 JTD 16V

Components - HEADLAMP WASHER - Alfa Romeo GT 1.9 JTD 16V

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 1.9 JTD 16V

HEADLAMP WASHER - LOCATION OF COMPONENTS Alfa Romeo GT 1.9 JTD 16V

Components - HEADLAMP WASHER - Alfa Romeo GT 1.9 JTD 16V

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 1.9 JTD 16V

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 1.9 JTD 16V

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.