"Tim" wrote in
oups.com:

In 24 years of working in the auto/electric rebuilding industry, I've
found that "solderless" connections always work best with solder.


Every plug in my 1973 Mercedes 220D sedan is soldered into solder cups.
Not a single failure of any soldered wire in the intense vibration in a car
in 32 years. Of course, these are brass split pins in bakelite cases into
brass holes in bakelite cases....not some cheap Molex connector shoved
together after crimping....(c;

Too bad my 1983 Mercedes 300TD station wagon isn't connected like
this....(d^