35
NO
OK
Tester (DC 20 V)
2
1
RS
R
N
S I G N A L L I N G S Y S T E M
3. Light bulb coupling voltage
Connect Tester (20 V DC) to connector of light bulb coupling, as follows:
Terminal (+) of Tester Red cable (1)
Terminal (-) of Tester Black cable (2)
Turn key “ON
Power measured must be > 12 V
•
•
•
•
•
•
•
Red
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