50mm2 cable installation in Ford mondeo mk4 2012.

[UnderdogGarage!]

Hi... Is there anyone who knows where I can manage to enter a 50mm2 power cable from the engine bay and into the cabin without having to make a new hole for it? Or if there's no other option, where would you recommend to make it? I'm planning to install a subwoofer in the back.

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[Doxquzme Premium Member]

Nice, much better looking version Ford than its American counterpart. Go down to the local stereo shop and tell them you want to the work yourself but would appreciate them telling you where the best place to drill through the firewall. Make sure to get nylon grommets that have screw-on retainer rings. Personally, If you can get the car up on jacks or ramps, run the wire from the engine bay under the car (in recessed areas away from the exhaust line) making sure to use a good loom and use mounting retaining clips every 20” or so, then pop them up through holes you find or drill in the trunk/hatch area using the same grommets that I mentioned prior. Or, in the event you’re anywhere near my age, pay the man to do it for you!