Overhead close-up looking straight down into the gutted dashboard cavity of the 1969 Oldsmobile Cutlass with the dash removed, showing the bare firewa
DIY & Maintenance

I'm Rewiring My 1969 Oldsmobile Cutlass From Scratch, and It's the Best Terrible Decision I've Ever Made

Rewiring a 1969 Oldsmobile Cutlass is messy, humbling, and completely worth it. Here's what a full DIY harness replacement actually looks like.

Kathlien "Kat" Mangino · Jun 30, 2026