Published On Feb 22, 2021
The 90340 relay has a few different manufacturer names on it but is still the same. It's a DPDT (double pole double throw) relay with a 24 volt coil. I am going to try to explain a little about it and show some voltage checks that should help you in the field.
0:00 Explanation of Relay
11:52 Practical Voltage Checks
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