How to Replace the Wiring in Your 20 Year Old Minivan

How to Replace the Wiring in Your 20 Year Old Minivan


Replacing the wiring in an older vehicle like a 20 year old minivan can be a daunting task, but with some preparation and patience, it is doable for a mechanically inclined DIYer. In this article, I will walk through the complete process of replacing the wiring step-by-step.

Reasons to Replace Minivan Wiring

There are a few common reasons you may need to replace the wiring in an aging minivan:


Replacing wiring is a time consuming project, so make sure to set aside a full weekend and prepare accordingly:

Removing Old Wiring

With preparation done, it's time to remove the old wiring:

Installing New Wiring

Here are the steps to install fresh wiring throughout the minivan:

Finishing Touches

With new wiring installed, there are a few final steps to button up the project:


While replacing wiring in an aging minivan is very labor intensive, the job can be completed by an experienced DIYer equipped with repair manuals, proper tools and new harness kits. Taking precautions like labeling wires and testing connections as you go makes the process less daunting. Investing a full weekend into this preventive maintenance project can restore solid electrical function and keep your minivan running smoothly for years to come.