Honda CB350 Repair Manual page 125

120 ELECTRICAL SYSTEM
HORN
1. If the horn will not function, con—
nect a 12—volt battery directly to the horn
terminals. If the horn does not sound, it is
defective.
2. If the horn does sound, check the
horn button by disconnecting the light
green lead and check for continuity be—
tween the lead and ground, which should
be present when the horn button is
pushed.
HEADLIGHT SWITCH
(LATE—TYPE)
1. There are five headlight switch
leads and there should be no continuity
between them when the switch is "off."
2. When the switch is "on," continuity
must be present between the yellow and
yellow/white leads, and between the
black, brown/blue, and black/red leads.
HEADLIGHT SWITCH
(EARLY—TYPE)
1. When the switch is "off," there
should not be continuity between the
leads.
2. When the switch is in the high—
beam position (H), there should be conti—
nuity between the yellow/white and the
yellow leads and between the black,
blue, and brown/white leads.
3. When the switch is in the low—beam
(L) position, there must be continuity be—
tween the yellow/white and yellow
leads, and between the black, white, and
brown/white leads.
DIMMER SWITCH
On late models with a separate dimmer
switch on the left handlebar:
1. In the high position, there must be
continuity between black/yellow and
blue wires.
2. In the low—beam position, there
must be continuity between the
black/yellow and the white wires.
TURN SIGNAL SWITCH
1. When the left—hand turn signal is ac—
tivated, there will be continuity between
the gray lead and the orange lead.
2. When the righthand switch is ac—
tivated, continuity will exist between the
gray lead and the light blue lead.