Tesla Model S 12V Port Fuse Replacement Repair Guide

Difficulty

Easy

Steps

Time Required

                          10 - 30 minutes

Sections

Fuse
7 steps

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Introduction

Step 1

              Open the Frunk

Start by opening the frunk using either the touchscreen controls or key fob.
Open the trunk by pressing Controls.
Press the Front Trunk (or frunk) button.

Start by opening the frunk using either the touchscreen controls or key fob.

Open the trunk by pressing Controls.

Press the Front Trunk (or frunk) button.

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Step 2

              Remove the Access Cover

Remove the access cover just in front of the windscreen, it has a hole in it for WS washer fluid reservoir. Four hidden plastic barbs can be unclipped by pulling forward and upwards from WS. Then the cover can then be removed.

Remove the access cover just in front of the windscreen, it has a hole in it for WS washer fluid reservoir. Four hidden plastic barbs can be unclipped by pulling forward and upwards from WS. Then the cover can then be removed.

Step 3

              Locate the Right Fusebox

In this case, we are looking for the right most black box. (Right when viewed from the drivers seat, but left when looking at the fuse boxes from the front of the car.)
Pop out one the tabs and lift off the cover.

In this case, we are looking for the right most black box. (Right when viewed from the drivers seat, but left when looking at the fuse boxes from the front of the car.)

Pop out one the tabs and lift off the cover.

Step 4

              Find the Broken Fuse

See the fuse diagram in the included photo for the exact placement. Starting from the bottom right hand corner, it is the second fuse to the left.
Fuse Number F35

See the fuse diagram in the included photo for the exact placement. Starting from the bottom right hand corner, it is the second fuse to the left.

Fuse Number F35

Step 5

              Swapping the fuse

Make sure to replace the original fuse with a high quality 15A fuse from your local auto supply store or online vendor.

Make sure to replace the original fuse with a high quality 15A fuse from your local auto supply store or online vendor.

Step 6

              Putting it all back

Replace the black fuse box cover by snapping it into place.
Then slide in the access panel and tap the corners to lock the tabs back in place.

Replace the black fuse box cover by snapping it into place.

Then slide in the access panel and tap the corners to lock the tabs back in place.

Step 7

              All done

At this point close the frunk and go back inside the car to check and make sure everything is working like normal.
Pat yourself on the back (optional but highly recommended)

At this point close the frunk and go back inside the car to check and make sure everything is working like normal.

Pat yourself on the back (optional but highly recommended)

To reassemble your device, follow these instructions in reverse order.

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                    obrien28

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Sridhar Vemuru - May 27, 2017

I own a Tesla Model S 90D and the fuse box shown here is different than the one I have in the Frunk.

Neale Pickett - Jan 1, 2018

Newer Teslas do not have the accessory port fuse in this box. Instead, the fuse is in a box located just inside the right side footwell, up against the outside of the car. https://www.youtube.com/watch?v=jgaXStUt… is the best documentation I have; next time I will photograph steps and create a guide here.

felixmizioznikov - Aug 6, 2018

Thanks. my fuse is as you described. heading to get a replacement now.

Aliaksandr Lahun - Jul 16, 2022

Thank you. Who needs a fuse box diagram, i found here is: https://fuseandrelay.com/other/tesla-mod…

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