5
Housing for resistor?
(lemmy.world)
For questions about component-level electronic circuits, tools and equipment.
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I would make sure the solder connection between wire and resistor is very solid, and then encase the stuff in heat shrink tubing with glue in it. (Adhesive Lined Heat Shrink Tubing)
If it's good enough for Nasa, it will work for your car: https://makezine.com/article/technology/computers-mobile/how-to-splice-wire-to-nasa-standards/