Are you referring to this one?
View attachment 64513
If so normally it is only available as part of wiring harness. But it is available otherwise when you know that it is an Aptiv connector.
02984883 Male connector housing. Matching Female connector housing is 02973781.
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Now what gauge terminals do you need 16ga or 18ga? To install these you need the open barrel crimper. Here my open barrel had to be modified to install the male terminals.