Where can I drill a hole to get wires from the engine into the interior?
Open the hood and look at the firewall, all the way towards the driver side fender, below the driver’s windshield wiper. You will see a large black 2″ x 3″ wiring harness that passes through the firewall which is secured by a nut along the top edge. You can drill a hole just off the lower left corner of this connector from the inside of the car. Start under the dash by removing the lower rear plastic panel (a couple of screws and a panel popper) that passes between the clutch (if any) and brake pedals. Locate the large connector and using a razor knife, trim away any of the black plastic covering the area where you will drill. Don’t worry about neatness as this will be hidden by the plastic panel you removed earlier. Then use a spring loaded center punch to create a small dent to locate your drill bit. Be sure you punch far enough from the connector to allow the hole saw to clear the connector. Also be sure the hole is big enough to fit the wires or hoses which will pass through. It’s