Altenator Issues
#21
Registered User
Originally Posted by 1styota4X4
i will have to check the load across the fan...
#22
Contributing Member
Originally Posted by midiwall
Careful, those fans have a startup surge current of 20 amps or so. I think the high current mode of your Fluke is only rated to 10 amps. You could look at the voltage drop to the load and then do the math to figure out the current - basically doing the work of a shunt.
#23
Registered User
Originally Posted by mastacox
If that fan only pulls 10A, it won't be pulling enough air to cool the engine by itself... but that does rule it out of overpowering your alternator, unless you alternaotr is bad.
The "10 amp" number is a concern over what the max current rating is for his Fluke DVM. If he tries to connect the meter in series with the power to the fans, it'll pop a fuse in the Fluke.
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