TRACING THE LIGHTING CIRCUIT IN A VEHICLE
TOOLS REQUIRED
MULTY METER
12-13 OPEN END SPANNER
10-11 OPEN END SPANNER
SCREW DRIVER(-)
MATERIALS REQUIRED
. COTTON WASTE
PROCEDURE
Trace the battery cable from the battery (1) to the ammeter (2) and check for proper connections.
Trace the wire from the ammeter (2) to the fuse unit (3) (or circuit breaker) and check for proper connections.
Trace the wire from the fuse unit (3) to the junction box (4) and check for proper connections.
Trace the wire from the junction box (4) to the headlamp switch (5) and check for proper connections.
Trace the wire from the headlamp switch (5) to the dipper switch (6) and check for proper connections.
Trace the wire from the dipper switch (6) to the connection of the headlamp's high beams (7a) and low beams (76) and check for proper connections. 7b
Trace the wire from the high beam (7a) circuit to the beam indicator lamp (8) in the instrument panel.
Trace the wire from the headlamp switch (5) to the parking lamp (9) and tail-lamp (10) and check for proper connections.
Trace the wire from the headlamp switch (5) to the number-plate lamp (11) and check for proper connections.
Trace the wire from the headlamp switch (5) to the instrument panel lamps (12) via the instrument panel switch (13) and check for proper connections.
Trace the wire from the junction box (4) to the dome light pillar switch (14) and automatic door switch (15) and to the roof light (16) and check for proper connections.
The roof light pillar switch and the automatic door switch are connected in parallel. Trace the wire from the junction box (4) to the stop light (warning light) switch (17) and to the stop-light (18) and check for proper connections.
RESULT:
. TRACING OF LIGHTING CIRCUIT IS DONE SUCCESSFULLY