Honda CRF1000 Shop Manual page 530

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LIGHTS/METERS/SWITCHES
Turn signal blinks two times faster than usual (One
of the unit does not blink).
• When there is open or short circuit in turn signal light
wire(s), other turn signal light blink faster than usual
in order to notify the rider of the problem.
Check for loose or poor contact in the turn signal light
2P connector.
If the connection is OK, check the following:
• Open or short circuit in turn signal light power line
between the turn signal relay and turn signal light 2P
connector
– Right front: Light blue/white wire
– Left front: Orange/white wire
– Right rear: Light blue wire
– Left rear: Orange wire
• Open circuit in Green wire between the turn signal
light 2P connector and ground
If the wires are OK, replace the problematic turn signal
light with a known good one and recheck.
– If the known good turn signal light blinks, original unit
is faulty.
– If the known good turn signal light does not blink,
replace the turn signal relay with a new one and
recheck.
Turn signal light does not light at all with the turn
signal light switch operating.
• Open circuit in the wire(s) between the turn signal
light relay and handlebar switch
– Left handlebar switch :Orange/white wire
– Right handlebar switch :Light blue/white wire
• Open circuit in the Black/red wire between the turn
signal light relay and fuse box 1
• Open circuit in the turn signal light relay ground line
(Green wire)
If the wires are OK, replace the turn signal light relay
with a known good one and recheck.
Turn signal relay back-up voltage line
Measure the voltage between the Red/white wire
terminal (+) and ground (–).
There should be battery voltage at all times.
If there is no voltage, check for the open circuit in Red/
white wire.
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