• Does the door loom have a plug at the 'A' pillar? if so undo that, remove the door panel and pull the loom through so you have mor room to work on it.

    The best way is to cut out the broken section, preferably removing each connecter and fitting a new connecter to a new wire and solder that to the good part of the door loom so that the solder connection is not in the moving hinge part of the loom where the brittle solder will break again.

    Best practice for a beginner is do one wire at a time so you don't end up crossing circuits

    Also best to renew that grommet they have cut in to or water will get in and corrode any plug in contacts or even short circuit some circuits when it rains.

  • I was hoping to get away without soldering anything and replacing the entire pack of wires with a fresh set - ideally with the updated shape with extra wire length - i.e. go from this:

    to this:

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