The Stovebolt Site Forums The Shop Area The Electrical Bay Wiring in the circuit breaker and shunt?

I think that once you power the fan directly from the battery through a relay, your amp meter becomes irrelevant. For instance, if your fan was drawing 10 amps and your alternator was supplying 5 amps of that, it would read as charging and your battery would be discharging. You would never know this until the battery went dead.