How to Install a Dual-Camera Dash Cam?
3 Answers
First, determine the optimal installation position for the dash cam. It is recommended to install it on the right side of the interior rearview mirror, as close to the center as possible. Insert the power cable of the dash cam into the gap of the car's headliner. Then, pull down the door frame seal strip and forcefully pry open the A-pillar trim panel with both hands. From the top of the A-pillar, follow the door frame downward while reinstalling the seal strip and tucking the power cable inside it until the cable emerges at the bottom of the dashboard. Pass the power cable behind the glove box and secure it there.
Having driven for over a decade and installed five or six dashcams myself, the key to dual-camera installation lies in wiring techniques. The front camera can simply be fixed behind the rearview mirror, but the rear camera is the real challenge: first, tuck the power cable into the headliner gap, then use a plastic pry tool to gently open the A-pillar trim (avoiding the airbag area), and route it through the passenger footwell to the trunk. The trunk is the trickiest part—you’ll need to peel back the rubber seal and tuck the wiring into the side tubing. Don’t mount the rear camera dead center on the rear windshield! The best spots are either above the license plate frame on the car body or at the top center of the glass aligned with the rear window midline. For power, you have two options: the cigarette lighter is hassle-free but leaves exposed wires, while tapping into the ACC port in the fuse box ensures true stealth. If DIY isn’t your thing, a tire shop’s $50 labor fee is the best deal—their specialized wiring hooks can tackle stubborn trunk corners in a minute.
Last year, I helped my wife install a dual-camera dash cam. From a female perspective, here are some practical tips: The positioning of the rear camera is especially important! Don’t take the easy way out by sticking it on the rear windshield—dust will quickly accumulate in the area not swept by the wipers. The best location is on the car body next to the high-mounted brake light (make sure to choose a hard plastic surface). When routing the cables, prepare an old credit card or plastic sheet to easily tuck them into the roof gaps. Don’t foolishly hang the rear camera wires on the trunk hinges! Follow my lead and wrap them with felt tape before threading them through a rubber corrugated tube to prevent damage when opening and closing the trunk. Finally, when testing the recording range, have someone wave behind the car to ensure the entire rear window and both side mirror views are captured.
