Malaguti CIAK MASTER 50-4T Electric System Troubleshooting page 29

3. HORN IS NOT WORKING
3.1 Horn switch
- See "Checking switches" section (on page 12).
3.2 Checking grounding
- Connect Tester ( ) to connector of left hand switch (3),
as follows:
- Terminal (+) of Tester
- Terminal (-) of tester
3.3 Horn
- Disconnect horn cables (3).
- Connect Tester (DC 20 V) to terminals, as follows:
- Terminal (+) of tester
- Terminal (-) of Tester
- Turn key "ON".
- Press "HORN" button".
- Value read must be approximately 12 Volts.
CAUTION: never invert position of cables.
10.05
ISSUE
B
- TROUBLESHOOTING
ELECTRIC SYSTEM TROUBLESHOOTING
Signalling system
CONTINUITY
Black cable (1).
Chassis grounding (2).
CONTINUITY
Blue cable (1).
Orange cable (2).
NOT COMPLIANT
NO CONTINUITY
- Replace left hand switch.
3
2
NO CONTINUITY
- Black cable is interrupted.
- Repair.
- See "Wiring Diagram".
1
BL
AR
2
3
COMPLIANT
- Replace horn.
SECTION 2
B
CHAPTER
1
31
PAGE
SECTION 2