Resistor pack plug
#2
If you don't need to keep the OEM connector I would look at Weather Pack connectors you may need to use 2 separate 4pin connectors and crimp them the opposite way around or use 5pin and 3 pin connectors so you can not plug them incorrectly.
https://www.diyautotune.com/product/...-gauge-3-pack/
https://www.diyautotune.com/product/...-gauge-3-pack/