Originally Posted by Flybob
If you have to remove it, I recommend soldering the wires and then insulating them. Those connectors are quick and easy to install, but are very unreliable over time. As long as you are working on it, make a permanent connection and you will not have to worry about it in the future.
A properly soldered and insulated connection is best, but not everyone has those skills. Cold soldered connections (far more likely in multi wire joints) are even more problematic and hard to troubleshoot than mechanical connections in my experience.
Obviously if you have the skills and tools, soldered is better.
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