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Depends on how good you feel you are with this kind of project.
At the least, I would try to get a computer plug with 6 inches or more of lead or long enough to reach the farthest damaged lead in the main harness.
Fooling with the connector pins is inviting ongoing operating hassle without a pin extractor tool.
If a mistake is made you have to recognize what circuit is involved and go sorting it out again.
Good luck.