You should see the voltage polarity toggle with each switch activation.
Testing door lock solenoid.
Circuit breaker box should be locked by personnel following this procedure.
Unplug the door lock actuator electrical connector.
If your solenoid is being used as part of a car it can still be tested with a multi meter but the continuity test can be done without it.
Injury or death can result from electrocution if proper safety precautions are not observed.
Just a short video to show how you can test a door lock actuator using a car battery or a car jumper.
Locate the solenoid generally found either next to or as a part built into the starter and then with a friend s help insert and turn the vehicle s key.
Test the door lock solenoid.
So to test it mount the perf board on the door frame and magnet on the door so that it can detect the door movement.
The final solenoid test.
Ensure that all electrical power is shut off and disconnected before proceeding.
Then use your test light or digital meter to check for power and ground at the connector when you operate the lock unlock switch.
Once you are ready with the code and hardware you can start testing the solenoid door lock project.