PlatypusOfFury
(Junior Member)
02/01/17 12:24 PM
For stereo: MT reverse light wire?

I purchased a fairly dope Android based 2xDIN deck with the works on it including a backup camera.
Looking for the best place I can tap into the Manual's reverse lights wire to activate backup.

Someone must have done this already, just thought I'd hit some pointers up before diving in myself.


FlyingEagle
(Eager Beaver)
02/01/17 12:36 PM
Re: For stereo: MT reverse light wire?

The only thing the reverse switch does, is to connect the two wires that come into it.
This is basically a ground for the light circuit if memory serves.
If you were to tap/Tee into the reverse light circuit and use that power feed to trigger a backup camera, that will be the closest wire portion to your camera.

Maybe someone else has hooked one up, using the GVR4?


PlatypusOfFury
(Junior Member)
02/01/17 01:56 PM
Re: For stereo: MT reverse light wire?

Why wouldn't it be a tech discussion?

Double DIN stereos w/ backup cameras are getting dang cheap!
The reverse trigger wire to turn the camera on could go many places I'm assuming.
Reverse switch on the manual trans, somewhere in the reverse switch to rear wiring, or even all the way back to a tail lights.

Just seeing if anyone already did this, and where they attached the trigger wire in the VR4.


FlyingEagle
(Eager Beaver)
02/02/17 11:20 AM
Re: For stereo: MT reverse light wire?

Edited my first post. Sorry, I was coming at it from a mindset of a time long ago ... may have misjudged. Apologies.

PlatypusOfFury
(Junior Member)
02/02/17 07:07 PM
Re: For stereo: MT reverse light wire?

No worries.
Backups (for the most part) consist of Ground, 12v Power, and a "Trigger" wire set.

Trigger wire is supposed to link into the reverse power circuit. Stereo display will automatically switch to backup camera when power is sensed through Trigger wire.
I can route all the way back to the trunk reverse lights and be safe. Just thought some may know of a closer place I could tee into with minimal mess.


FlyingEagle
(Eager Beaver)
02/03/17 11:44 AM
Re: For stereo: MT reverse light wire?

Where ever the relay for the reverse lights will be, is the closest spot to a radio housing you will get, and the wiring can be readily tapped into before going to the rear of the car.

89Mirageman
(It's no Mirage, man)
02/03/17 02:26 PM
Re: For stereo: MT reverse light wire?

I know from making the dsm to csm conversion harnesses that on a 1g the wires for the backup lights come through the firewall. Its behind the passenger's side kick panel where the engine harness plugs into the dash harness. I'd have to think a galant from the same era would be the same way.


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