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View Full Version : 2015, Reverse wire?


Eduardo_mty
11-09-2014, 06:47 PM
i need help to identify the reverse wire on 2015, france made it.

CTScott
11-09-2014, 09:28 PM
On the French made 3rd gen the reverse wire is a red wire on the bottom row of that connector 5 pins from the left.

Eduardo_mty
11-09-2014, 09:30 PM
Its the wire that i marked?

CTScott, do you need a better picture? i will try it

CTScott
11-09-2014, 09:44 PM
No. It is not that one. That actually might be the incorrect connector. The one you are looking for has the larger hole on either end with 12 smaller holes between.

Eduardo_mty
11-09-2014, 09:53 PM
I only see 3 red wire, if you see in this pictures, please tell me

Eduardo_mty
11-09-2014, 09:59 PM
This harness is in the left foot

Eduardo_mty
11-09-2014, 10:13 PM
pictures resized

CTScott
11-09-2014, 10:15 PM
It is not available on any of those connectors. It goes from the transmission to a connector in the under hood fuse box to a connector on the face of the under dash fuse box to a junction connector in the hatch area.

Eduardo_mty
11-09-2014, 10:20 PM
do you have a pícture or wiring diagram....
i understand, that i will check in motor area?

can i connect between, the fuse and fuse box...

CTScott
11-09-2014, 10:24 PM
do you have a pícture or wiring diagram....
i understand, that i will check in motor area?

can i connect between, the fuse and fuse box...

You can grab the wire on the under dash fuse panel.

Connector 3C-33 or 3D-28

54516

54517

Eduardo_mty
11-09-2014, 10:28 PM
I Will tray tomorrow, thank you, thank you so much

ucsmfu
11-09-2014, 11:52 PM
Eduardo_mty are you doing a reverse camera install ?

Is it possible to just tap to the reverse light wire?

Thanks

Eduardo_mty
11-09-2014, 11:56 PM
Yes, i will try to install the reverse camera.

I try to avoid to run wire from reverse light.

But i will do

ucsmfu
11-10-2014, 12:53 AM
Yes, i will try to install the reverse camera.

I try to avoid to run wire from reverse light.

But i will do

I will be installing mine on Tuesday :)

Along with a autodimming mirror :)

Eduardo_mty
11-15-2014, 09:40 PM
i "found" another harness,...
lef picture harnes driver side, right picture left tail light
ctscott any help

CTScott
11-15-2014, 09:56 PM
That's the right area. Look for the connectors shaped like 3C and 3D.

For the taillight, the service manual shows the backup bulb as being fed by a red wire for power and a white/black for ground.

Eduardo_mty
11-15-2014, 09:57 PM
How i will identify wich is 3c or 3d

CTScott
11-15-2014, 09:58 PM
How i will identify wich is 3c or 3d

By the connector diagrams I posted above. Each connector has a unique shape.

Eduardo_mty
11-15-2014, 09:59 PM
Ok... Let me try, Now...

Eduardo_mty
11-15-2014, 10:32 PM
I found it.. Thank you ctscott... I will "tap it" tomorrow

ucsmfu
11-16-2014, 01:03 AM
let me know how it goes, I haven't installed mine yet.

ucsmfu
03-29-2015, 04:12 AM
would the same reverse wire work in the 2012 Yaris ?

CTScott
03-29-2015, 08:54 AM
would the same reverse wire work in the 2012 Yaris ?

yes

ucsmfu
03-29-2015, 03:00 PM
yes

is there a connector where we can tap the reverse trigger wire in the back on the head unit ?

Don't want to extend the wire down all the way to ECU

Thanks CTScott.

CTScott
03-29-2015, 03:15 PM
is there a connector where we can tap the reverse trigger wire in the back on the head unit ?

Don't want to extend the wire down all the way to ECU

Thanks CTScott.

No

ucsmfu
03-31-2015, 02:23 PM
You can grab the wire on the under dash fuse panel.

Connector 3C-33 or 3D-28

54516

54517

Hey Scott.

How do I confirm its the right wire to tap ?

I tested out the wires. Got 12 v when the car is turned on as well when the car is in reverse.

Thanks

CTScott
03-31-2015, 07:29 PM
Hey Scott.

How do I confirm its the right wire to tap ?

I tested out the wires. Got 12 v when the car is turned on as well when the car is in reverse.

Thanks

Then you are on the wrong red wire. The correct red wire will only have 12 V when in reverse. I did double check and it is the same - 3C-33 or 3D-29.

ucsmfu
03-31-2015, 09:36 PM
Then you are on the wrong red wire. The correct red wire will only have 12 V when in reverse. I did double check and it is the same - 3C-33 or 3D-29.

3C-33 or 3D 29 it's a yellow wire and a blue wire. The red wires are not in the correct 33 or 29 pin location, unless I am counting it wrong :/

Here's a picture.

Thanks

http://oi59.tinypic.com/29l04tz.jpg