No-Load Test
- Switch the Rotunda Battery and Starter Tester 010-00725 or equivalent to the voltmeter function.
- Connect the voltmeter positive lead to the generator B+ terminal and the negative lead to ground.
- Turn all electrical accessories OFF.
- With the engine running at 2000 rpm, check the generator output voltage. The voltage should be between 13.0 and 15.0 volts.