Dash Cam Fuse Tap: The No-Cut Way to Wire In Your Camera

Dash Cam Fuse Tap: The No-Cut Way to Wire In Your Camera

You have just picked up a new dash cam, you want it wired in properly for parking mode, and then someone mentions cutting into your car's wiring. On a car that is still under warranty, that is enough to make anyone pause. This is exactly where a dash cam fuse tap earns its keep, and it is why so many drivers now ask for one by name.

A fuse tap gives you a clean, reversible way to power your dash cam straight from the fuse box, with no cutting and no soldering. Let us walk through what it is, the pros and cons, and where it sits with your new car warranty here in Australia.

What is a dash cam fuse tap?

A fuse tap, also called an add-a-fuse or an add-a-circuit, is a small adapter that plugs into a spare or existing slot in your car's fuse box. In plain English, it lets you borrow power from a circuit that is already there, so your dash cam has a tidy, switched power source without touching any factory wiring.

It holds two fuses. One protects the original circuit, and one protects your new dash cam circuit. That is the whole trick. You are adding a connection, not altering the car.

We keep a few blade types on hand because fuse boxes vary. Our 8-piece fuse tap kit covers the ATO, Mini, Micro2 and Low-Profile Mini shapes, which suits the vast majority of cars on Australian roads.

Fuse tap vs cutting and soldering: what is the difference?

The old way to hardwire an accessory was to strip back a wire, join your new wire to it, then solder and tape the join. It works, and a good tech can make it neat, but it is permanent. You have changed the car's wiring.

A fuse tap takes a different approach. Instead of joining wires, you pull a fuse, clip it into the tap, and slot the tap back in. Your dash cam draws power through the tap. Nothing is cut, and if you ever want the car back to standard, you pull the tap out and refit the original fuse. Done.

The pros of a fuse tap

Plenty to like here. A fuse tap is:

  • Reversible. Pull it out and the car is exactly as it left the factory.
  • No cutting or soldering. No stripped wires, no heat, no permanent joins.
  • Properly fused. Your dash cam gets its own fuse, so the circuit is protected the way it should be.
  • DIY friendly. With a circuit tester and a bit of care, this is a job many drivers can do at home.
  • Tidy. Everything lives inside the fuse box, out of sight.

The cons, honestly

We are not going to pretend it suits every single job. A few things to keep in mind:

  • You still need to test the fuse slots to find the right one, so a circuit tester is a must.
  • Get the fuse order wrong and the new circuit will not be protected, so it pays to follow the steps carefully.
  • Some late-model cars use unusual fuse types or tightly packed fuse boxes where a tap is a tricky fit.
  • For a very high-draw setup, like a big battery pack, you need to size the fuse correctly rather than just plugging in.

Will a fuse tap void my new car warranty?

This is the big one, and it is a fair question. Here is the reassuring part. Under the Australian Consumer Law, a manufacturer cannot simply void your whole new car warranty because you fitted an accessory like a dash cam. The ACCC has been clear on this. A dealer can only refuse a warranty claim if they can show the accessory, or the way it was fitted, actually caused the specific fault being claimed.

This is where a fuse tap really shines. Because it is reversible and does not cut a single factory wire, there is nothing permanent for anyone to point at. If you are ever unsure, you can pull the tap, refit the original fuse, and the car is standard again. That said, this is general information rather than legal advice, so if you have a specific warranty concern it is worth checking your vehicle's warranty terms or asking your dealer directly.

Can I fit a fuse tap myself?

For a lot of drivers, yes. A basic dash cam fuse tap install is one of the more approachable jobs, especially with a circuit tester to confirm the right fuse. Our Essential Install Kit bundles the fuse taps and the tester, so you are not chasing bits and pieces.

If you would rather not touch the fuse box, no worries. We do not install cameras ourselves, but we can point you to an independent local installer through our installer finder.

New-age pros love them, old-school techs still solder

Ask ten installers and you will get ten opinions. A lot of newer pros love fuse taps because they are fast, clean and reversible, which is a big deal on modern cars people care about. Plenty of old-school techs still prefer a soldered join, because that is how they have always done it and they trust the connection. Both camps can point to good work, so everyone has an opinion here.

At The Dash Cam Guys, we are firmly fans of the fuse tap for most installs. It respects the car, it protects the circuit, and it can be undone in minutes.

Pro Tip: Keep the original fuse you removed in the glove box, or tape it inside the fuse box lid. If you ever sell the car or return it to standard, you will have it right there.

Not sure which fuse tap suits your car, or whether to fit it yourself? Michael and Harrison are always happy to talk it through. Drop us a line through our contact page and we will get you sorted.


Last reviewed: 19 August 2026. The warranty position above reflects ACCC guidance at that date and is general information, not legal advice. If anything here is wrong or has gone out of date, tell us and we will correct it.