Odd, although from memory crimps can have rather hard plastic. Were there no instructions?
Could they be solder buckets?
Could be connectors, possibly "bullet" type?
Hi zanes, yes female bullet type connectors, the sleeve is very hard plastic and crimped on one end, after I posted the last post I thought if there is such a thing as a heat crimper !!
Edit: no instructions.
Looks like it to me, the colour denotes the size.
Google "Insulated Male Crimp Bullet Connector" and you'll find loads of them, colour coded by size to match the repair kit. You can get them off the shelf at Maplins & most likely any car parts outlet.
I wasn't sure of the wording for the insert part, "Bullet" it is.
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