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whit3rd whit3rd is offline
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Default How to Test a Relay

On Sunday, February 9, 2020 at 4:31:52 PM UTC-8, Adam wrote:
My car's blower motor relay may be bad (or the cause of noisy fan).


However, I don't have a cordless drill battery (used in the video).


You have a car, with a battery that makes perfectly acceptable 12V.

Will the following battery charger...

UPG D1724 Sealed Lead Acid Battery Charger (6V/12V Switchable Single-
Stage With Alligator Clips)
work ?


Maybe. It's possible to make chargers that don't generate +12V unless
attached to a battery, or that turn off if/when peak voltage exceeds a full battery charge.