2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 300Get this manual

2008 Yamaha Raptor 250SE / 250SE2 Factory Service Manual, Page 300

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SIGNAL SYSTEM EBS01077
3 Voltage Connect the pocket tester (DC 20 V) to the indicator light coupler (wire harness side) as shownPositive tester probebrown Negative tester probesky blue