Getting your 22re wiring harness sorted out

Picking the right 22re wiring harness can make or break your engine swap or restoration project, especially since these Toyotas are getting on in years. If you've spent any time under the hood of an 80s or 90s Hilux, 4Runner, or Celica, you know exactly what I'm talking about. The 22R-E engine itself is practically immortal—it'll probably keep turning long after the sun goes out—but the copper wires and plastic connectors surrounding it? Not so much. After thirty-plus years of heat cycles, oil leaks, and vibration, that factory harness is likely feeling a bit crispy. ...

May 2, 2026 · 6 min · Joo Najib