Wiring this utility trailer kit with poor instructions. Are these blue clips to splice the side lamp wire, or for something else? How do they work? Is there a better way ?

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Hopkins 43104 Plug-In Simple Vehicle Wiring Kit : Automotive

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Cargo and Utility Trailer Interior LED Light Kits. For 16' to 36' Trailers.

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How to release the wires from a push-in wire connector - Quora

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Trailer Light Box Kit, 6 Oval Red Tail Lights

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Can electrical tape be used to fix a cut wire? - Quora

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Multi-Function Trailer Converter. This trailer light converter can be used to convert 2-wire, 3-wire or PWM system to standard 2-wire system, provides

Oyviny Multi-Function Powered 3-to-2-Wire Trailer Tail Light Converter/2 Wire to 2 Wire Splice-in Trailer Wiring Converter-Works with LED Light