Introduction
This document outlines the modifications needed to install a head unit from a later model Toyota Landcruiser (circa 2014) into a 90 Series Prado (circa 2000). This involves addressing both physical size differences and electrical wiring incompatibilities.
Problem
The head unit from the later model Toyota is wider than the standard double DIN opening in the 90 Series Prado. Additionally, the wiring connectors are different sizes and types, though the pinouts are reportedly the same.
Solution
- Fascia Modification: The opening in the Prado’s dashboard fascia needs to be widened to accommodate the newer head unit. The 90 series hole is a standard double DIN size of 180mm x 100mm. Toyota headunits from the 120 series onwards are slightly wider, measuring 200mm x 100mm. This can be achieved through plastic fabrication and cutting.
- Wiring Harness Adaptation: An aftermarket wiring harness for the 90 Series Prado can be sourced and modified to connect to the newer head unit. This involves adapting the larger pins of the 90 Series harness to the smaller pins and potentially different connectors of the newer Toyota head unit.
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