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FLEX/MAX DIAGNOSTIC GUIDE
Step 5: Next:
• Place the voltmeter negative
lead on the negative battery
post.
• Place the positive lead on the
red junction stud closest to the
converter.
• e voltage should read 13+
volts.
• If voltage reads 13+, proceed to
the next step.
• If voltage does not read 13+,
replace the wiring from the
converter to the converter plug.
Step 6: Next:
• Place the voltmeter negative
lead on the negative battery
post.
• Place the positive lead on the
circuit breaker post away from
the battery.
• e voltage should read 13+
volts.
• If the voltage reads 13+,
proceed to the next step.
• If the voltage does not read
13+, inspect the wiring
between the junction stud and
the circuit breaker and repair
any issues.