If you are using a connector system on your projects, a good thing to always check is to make sure that your connections are correctly polarized. The good news is, if your connections are not correct, it is usually very easy to switch them around and fix them. In this guide, I will be using 20 gauge silicone JST connectors.
If your connections are crossed, it is usually as easy as pushing in a couple of pins and sliding the wires out and back in to the correct places.
Find and push the pins
Typically on the male end of the connector, you should see an opening for each pin of the connector.
Push the tabs down
Find something to push down the tabs. I used a pair of tweezers. While doing this, pull on the corosponding wire and use the tweezers to push the tab.
Pull the wire out of the connector
Simply pull the wire out of the connector. Repeat the previous step as many times as necessary.
Make sure pins are reset
You may have to carefully bend the tab back up so that the connection will hold when inserting the pin back in to the connector. You don’t need much, just enough to securely hold the pin.
Push pins back in
Push the pins back in to the connector in the correct order.
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