Minuteman E20S - Testing the Main Power Relay

B-
From Battery
B+
From Battery
B+
Controlled
B-
Controlled
25 Volts
Digital Volt Meter
18. Testing the Main Power Relay on the E17, E20 and
E26ECO
Note: Measure the voltage across the B+
and the B- coil terminals with the wires
attached and the key switch turned on.
It should be about 24 volts.
Diode
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