Dash Cam Obd vs Fuse- Full Comparison!!!

In order to use the dash cam’s parking mode there are three common methods that includes using a hardwire kit, an additional battery packs as well as the use of an OBD power cable.

Well, each dash cam comes with different kits and what each kit carries will also change.

OBD abbreviated as On board diagnostics is a system that monitors electrical sensors on your vehicle and OBD cables makes hardwiring of dash cam for the parking mode more convenient and easier in comparison to traditional hardwiring of dash cam to the fuse box.

The part that makes the use of OBD cable for hardwiring as easy possible is to the fact there is less effort to find the location of the OBD port to connect the dash cam as that is located near the driver’s side around the steering column whereas location of fuse box will change from one vehicle to another ,but the location of OBD port remains the same as well as for EV OBD cables are recommended as per ease of this method as new electric car do not come with fuse panel unlike their traditional counterparts making the hardwiring process not tedious for the EV owners.

In order to hardwire your dash cam to the fuse box you are required to use three wire that needs to be attached to the fuse box while going along with OBD cable the cable has to be just connected to the vehicle’s OBD port that provides the vehicle with 24/7 parking surveillance as well as low voltage protection.

Steps to OBD set up in your car.

These are the steps to be followed:

  1. The first step is to find the location of the OBD port on your vehicle which is usually located on the left of car’s steering wheel or is also found the beneath the dashboard as well as along the steering wheel column.
  2. Next is to arrange the OBD cable and plug in properly in to the OBD port to the place you have found it is being positioned as.
  3. Once you plugged the OBD cable to the OBD port the next step is to test the dash cam.
  4. So once the dash cam has been plugged in as well as your car engine is on your dash cam has to start functioning if not then check for settings of your dash cam whether that is enabled for parking mode or not and enable the settings so that your dash cam starts working and installation to this setup is completed as such.

What fuse should I use for dash cam?

It is being recommended to use fuse ranging from 10A -30 A for the purpose of wiring your dash cam, but make sure those fuse slots that you are going to use does not belong to safety features of your vehicle so have an eye on this by keeping yourself referred to vehicle owner’s manual such that no damages would happen and your dash cams gets constant supply of power.

Does obd2 dash cam drain battery?

The obd2 dash cam can drain battery is the engine is not running what happens is inside the OBD2 port there is power lead which supplies voltage right away from the battery ,and if the battery is having power the OBD2 device you have hooked to will draw great amount of power if left like that for extended period and that too if you have 11.6 V cut off it is most likely to wear out your battery.

What is OBD cable for dash cam?

The OBD cable comes as a simpler and convenient method to the traditional hardwiring of your dash cam to the fuse box it enables the parking mode with no hassle more over the installation is easy and locating the OBD port is very simple as well, the next step would be is to just the plug the OBD cable to OBD port and test whether your dash cam is working or not, simple and easy in just few steps.

Is hardwiring Dashcam bad for battery?

There is chance for your hardwired dash cam to drain battery if the setup is not done correctly as result of lacking a proper setup will lead to taking good amount of power from your car’s battery when the ignition is off or while the car is parked as well, why hardwiring the dash cam can drain the battery is that here the dash cam is connected directly to the car’s electrical system along with the weather outside can also affect in draining your car battery but with certain tools and setups there ways to avoid this situation from happening and making your battery go flat.

How do I stop my dash cam from draining my battery?

These are the steps recommended to avoid your dash cam from draining battery:

  1. Get a hardwire kit with battery discharge prevention this makes sures that the dash cam gets automatically off after set period as well as the voltage meter makes sure to cut the power off when voltages drop off a certain level.
  2. Use good quality dash cam that comes with low consumption rate.
  3. Regular check your battery for any wear and tear as well do professional maintenance as well.

Summing it up

The OBD cable is easier setup over the traditional hardwiring of your dash cam to the fuse box as it just has to be plugged to your vehicle’s OBD port.

We have discussed about these installation steps as well as the location of the OBD port along with that we have also talked about whether and how OBD port can drain your car battery.

It has to made sure about what fuse slots you would be using as wrong one can damages your vehicle’s safety features as well.

Moving along we have also have recommended steps to prevent battery draining.


  • Sattam Malick (Owner)

    I’m thrilled to introduce you to a world of automobiles that has fueled my fascination. As an Automobile Enthusiast and a Qualified Automobile Engineer, I’ve spent years immersed in the intricacies of bikes cars and other vehicles, from their design and mechanics to the latest innovations that drive the automotive industry forward. Now, with Rev Up Motor