Retain OEM Factory Backup Reverse Camera to New Aftermarket Car Stereo Display/Navigation Radio Wire Harness w/ 6 Volt Converter for Some Toyota and Scion - Important- Compatible Vehicles Listed Below

Installation def takes some patience and reading as this isn’t SUPER straight forward, however, if you’ve wired up car stereos before, it’s not sure hard to install. Works excellent once installed. Lasted for the 2 years I had my aftermarket radio. The radio died so I went back to stock for the time being. But I have it in a drawer for when I buy another aftermarket radio I can just reinstall again. Definitely recommend this product.

First off the instructions tell you everything it needs to get the job done. The part that overshadows it, is that this harness is meant to handle 3 different application scenarios which means extra wires/connectorsMy intended purpose was to use the factory backup cam in my 2014 rav4 in an aftermarket radio (atoto s8). The pic with the battery shows how it should be wired. The other pic is with all unneeded pieces removed at attached to the Atoto harness. The 12v input on the converter should be attached to the radio harness accessory wire so that it's not leeching power when the car is off. Instead of attaching the harness and converter grounds directly to chassis, I chose to splice them into the radio harness ground.Items that can be removed for OEM cam to aftermarket radio: female RCA, the female side of the harness, all the black wires that are outside of the 2x2 on the male RCA side. Once you've removed all those, you can connect the gray wire from the 12>6v converter directly to the red wire on the male connector side. You can do the same with the converter ground.

Wired into a 2015 tacoma i put a kenwood headunit in ,the white wire 12volt output goes to your acc on your headunit, mine being the red wire this acc keeps it so it can only draw power when the ignition is on so your battery wont die from constant drain.The grey wire goes to the red 6v input on the harness .then the yellow rca goes into camera input on the headunit for those with existing cameras and on a 2015 tacoma the trigger point is under the glovebox there is a red and yellow wire point you do a t-tap on that with the reverse trigger wire mine being purple and white and then put everything back together and your good to go

Used this on my 5th gen 4runner to use the factory camera to my aftermarket JVC stereo. Was confused at first instructions not good. So I wanted to share how I did mineInstallation:Connect the ground from harness to the ground on the 6v adapter then ground both to your stereo’s ground wire. Also ground your parking wire from back of stereo. Connect grey wire to acc red wire on your stereo to get power when car is turned on. Connect white wire to red wire on harness labeled 6v. Yellow male plug into stereo cam in plug. Finally connect the reverse wire from back of stereo to the reverse wire of your cars reverse trigger wire. This allows the camera to turn on when you put in to reverse. To find this wire I used a probe. For my car it was a red wire 2nd from the top of the unused 24 pin harness. Just put your car in reverse. Put the probe in each of the pins until it lights up. Then put it in park. If the light turns off then that’s the reverse trigger wire. Hope this helps!!

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All these Instructions are included in the package. With this harness, it takes out the need to find the camera signal +/-, and camera power +/- wires. It even includes Female/Male RCA connectors, and a 12v to 6v step down adapter which is super easy to install (white goes to 12v input, black to ground, and Grey is 6v output that goes to your reverse signal wire) This harness is a 24-pin, and I managed to find the reverse signal wire in the 28-pin connector in pin #2. But obviously you'll have to find exactly which wire you'll need to tap with help from the internet or a multimeter (wire that has 0v, but change to 12v when reverse is engaged).

It does work great, but it lacks installation instructions.

Worked great to retain the oem backup camera function after installing an aftermarket head unit in a 2019 Toyota Corolla