I have 2 more pigtails and resistors on the way via Amazon, for what they want for the Mopar ones I can get 3 others shown there, with lunch money left,
and I always crimp w/ uninsulated butt connector, solder and protect with the "good grade" of heat shrink with the built in adhesive. Always. and I have another (forget which) either Borg Warner or Standard resistor new in the box for "just in case"/
I wish I could figure out a comparable part and pigtail, from some other make/model that has larger contacts, that I could retrofit in place of this one.