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Saturday 8 January 2022

Using TDCi switches in a 300TDi

In the process of personalising Fender, I've fitted newer switches. That requires a few wiring changes.

The linked PDF document details the necessary connections for the main switches and the changes to use a TD5 or TDCi (Puma) engine tail door harness instead of a 300TDi harness:

300TDi to TDCi connectors (PDF)

Switch Mounting

I have also designed and 3D printed various panels to mount the newer switches into a 300TDi.

We have a Raptor Engineering centre dash that I had already configured to fit a specific Sony Stereo. I changed one section to fit the switches. The panel cut out is for a single DIN radio. All the switch mounting panels are in the same style as the Raptor dash.

On the drivers side the hazard and rear fog switches will just fit into the space of the original small  switch panel.


DIN button panel STL and STEP (Zip)

This is two parts. The three M5 bolts clamp the two halves together.

Small button panel STL and STEP (Zip)

This is three parts. The thin rear walls can be superglued in to place or just left free to be held in place by the switches. The middle hole is for a cosmetic self taping screw to match the mounting screws at either end.

TD5 and TDCi button blank STL and STEP (Zip)

I print this with 1.2mm thick walls standing on the button face. I have to sand it down and paint the part that is on show.


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