Control System 44Service Manual – SC500
Shop Measurements
The following tables contain some “real world” shop voltage measurements to help you recognize what “nor-
mal” looks like. All voltage values were measured with the black (Negative) voltmeter lead connected to the
main battery negative unless otherwise specied.
Shop Measurements - Function Board (EB1)
Battery volts at battery, key on = 25.03V
Power Supply
Figure 33
PIN Color Description Measured Comments
B+ Red Electronic board power supply + 24.5v Vacuum on
B- Black Electronic board power supply - 0.035vV Vacuum on
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