I used Anderson Power Poles on my dash. Their small series accepts 15, 30, or 45 amp contacts all in the same housing. This way, you can size each contact for the wire, plus I ordered individual colored housings and color coded my connectors. Each housing has dovetails that allow you to build a modular connector. I already had access to a set of their $40 "Tri-crimp" crimper, so I didn't have to shell out for that. They fit snug enough to not come apart, but they also release much easier than other types of connectors. (I also used their plastic retainers on my connectors. Just in case...) Besides the SpeedHut connectors, my entire dash is connected by 4 modular connectors. My wiring is not the cleanest example for sure, but it's manageable.

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-Kyle

EDIT: Oh right, the link I was going to share: https://powerwerx.com/anderson-power...-sb-connectors