Testing Contactor before using for EV conversion

http://www.ElectricCarConversionBlog.com shows how a contactor as used in Electric Car Conversions and EV Conversions is tested. This was done at Canberra Institute of Technology during the Petrol (Gas) To Electric Conversion Experience.

Testing EV components prior to installation helps ensure parts are working. Also, you can listen and observe characteristics of parts such as the clicking of the contactor when it is energized. This means, once installed, if you don't hear the clicking sound upon turning the key switch, you can use that information to help in your diagnosis.
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