Rally Dash

One place I surely would opt for something other than factory is the 3 pins in a row connector on the other board of rally dash. Slickest md I have seen was in this forum. The guy soldered the 3 factory wires to their appropriate locations then went a good 6 or 8 inches away and spliced in the basic trailer harness connector male and female. No more loose/bent/broken pins there. He gained a white wire to use for chassis ground in the process too.
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I forget what color the factories 3rd wire is but, green is green, orange changes yellow, unknown changes to brown.
If you go this route, Solder and heat shrink all splices.