Originally Posted by nielkmot
i am also interested in hardwiring a dashcam, but slightly differently.
itís tempting to hack the backup camera and split the video signal into the second input to a 2-channel recorder.
but i donít have a clue how the oem display (Ď16 xtrek no eyesight) works. i know the backup cam turns on when i put it in reverse, but how is the display triggered to switch?
my idea is to hack the power line to the camera and feed it power continuously; but does that switch over the display as well? (and goodbye radio!) adding a video splitter shouldnít be too difficult, maybe.
is there any technical documentation on how it works?
in order to turn it on i believe you have to fool it into thinking it is in reverse. There are kits for other cars to do this -- Prestigious Society ¬Ľ Camera Series ¬Ľ Prestigious Society
but honestly it would be cheaper and better to just use a regular dashcam. you would probably have to loose the use of the backup camera to use the factory camera or you'd have to put up with the camera displaying constantly on the head unit. Plus, no idea if the camera has decent resolution for a dash cam input or if the camera is designed not to overheat in constant use.
I hardwired a front facing dashcam and it is not at all hard. on ebay if you search you can find the 1a 5v dashcam hardwire kits. They plug into a fuse or use a piggyback fuse and they have 8-10' of cord going to the plugin you need for the dashcam to fish up the a pillar, under the headliner and out to the camera. I get a little nervous when playing in the area of the a pillar airbags, don't want to static them into deploying.
For a rear cam you have to install it on the hatch, run the wire through the loom that passes fro the hatch to the body, then run the wire down one side of the vehicle (preferrably the drivers side so you can connect it to power) then up to the front unit if it has video input.
That I haven't done because of all the panels you have to take loose. And of course the only accident I have been in was a rear ender. but it did show we weren't moving at the time we were hit and it was enough for their insurance to quickly settle the claim. here it is in all it's glory https://youtu.be/WWu8VcW7wYs