Yamaha YXR70FX Service Manual page 465

EBS01054
4. Load control relay
• Remove the load control relay from the
wire harness.
• Connect the pocket tester (Ω × 1) and bat-
tery (12 V) to the load control relay as
shown.
Positive battery terminal → brown/red 1
Negative battery terminal → black 2
Positive tester probe → red 3
Negative tester probe → brown/blue 4
3
4
2
B Br/R
Br/L
R
• Does the load control relay have continuity
between red and brown/blue?
YES
SIGNALING SYSTEM
+
NO
Replace the load
control relay.
9 - 35
EBS01074
5. Wiring
• Check the entire signaling system wiring.
Refer to "CIRCUIT DIAGRAM".
• Is the signaling system wiring properly
connected and without defects?
YES
Check the condition
of each of the signal-
ing system circuits.
Refer to "CHECK-
ING THE SIGNAL-
ING SYSTEM".
– +
ELEC
NO
Properly connect or
repair the signaling
system wiring.