Renault Master 2.5 dci 150 cars - Need for reversing beam pattern

Hi. I badly need a reversing / reverse beam pattern for the Master 2.5 dci 150 2007 with automatic / automated quickshift transmission.
The problem is that someone was doing a manual insert and the reversing lights are on all the time. At the moment, to avoid dazzling drivers behind me, I put a film under the bulbs in the lamps to cut off their power. However, I would like to bring this to order and "cut" the reversing lamp circuit by introducing a microswitch in the line, placing it next to the gear shift knob so that when throwing the reverse gear closes the circuit and thus restores the functionality of the reversing lamps.
Has anyone already done a similar conversion?
Anticipating the questions and suggestions - there is no reverse gear sensor in the gearbox, because the automated quickshift transmits a signal to the computer and this activates the reversing light, and in the gearbox housing there is not even room for the above sensor.
Thank you in advance and best regards.

What kind of chest does this Master finally have because at the beginning you write about changing to manual and then that you don't have room for the sensor?

The automated box was. The housing and the whole "bottom" of the chest remained. Hence the lack of space for the sensor. The gear shifting robot has been disassembled, the manual shift cables and jack are added.

602 relay for reversing lights - triggered by minus.
It seems to me that the perfect place to apply your idea
Master prz...a bvr6.pdf Download (105.29 kB)

I would say "God bless you" but I will not be ruled by someone's money
How can I repay?

Click "helped" or just thank you
But not just now how it actually is there
If he's not there (which I don't really believe ) let me know, we will look for something else

I clicked the paw straight away. I will let you know if the topic was resolved after Sunday, because where I live I will not buy a microswitch tomorrow to apply this patent.
When I do, I will boast of photos, because I already have a plan how to do it. Will be for posterity.
Once again lovely thanks.

And I was happy too quickly.
It turns out that after removing the foil pads from under the reversing light bulbs, they do not light up. There is therefore no way to check whether this relay actually has to do with these lights. Pulling out this relay does not cause any noticeable reaction in the vehicle.
I also saw in the list that I got here that there is the phrase "except for the bus version". Poorly. Well, my car is a bus, i.e. a fully glazed version with seating for nine people.
I looked under the hood to see if something was hanging loosely, but I only encountered the "robot" plug from the gearbox unsealed and foil-covered, which is rather normal when there is nothing to connect with.
I will attach a photo of how the "box" with relays under the steering wheel looks like. Maybe it will give a clue.

I am very puzzled by the fact that before the reversing lights were steady and now they are not at all. New bulbs. Other bulbs glow correctly.

piotras.plock wrote:

there is the phrase 'except for the bus version'. Poorly.

No difference, bus or ordinary. The relay is always in the same place. The bus only has more relays.

piotras.plock wrote:

when the foil pads are pulled out from under the bulbs of the reversing lamps, they do not light up

piotras.plock wrote:

Pulling out this relay does not cause any noticeable reaction in the vehicle

Now you have to tell us what's going on in the car in the sense where there is electricity and where it is not.
In the attachment you have the diagram.
Is the voltage at the relay's working contact? How do you close the work contacts does the reversing light come on? Cofania ma...r bvr6.PDF Download (24.75 kB)

I look according to 2008.05.23_NT8430eu_Visu v5.0_Renault Master X70
According to the scheme from this NT, it comes out a little different (file attached).
Relay 602 on board 1325, with the output for the rear lamps (172,173), fuse box (1016) and through the R320 connector to (119 ELECTRIC CONTROL MODULE OF THE AUTOMATIC TRANSMISSION).
So at the beginning I have to check in the above-mentioned 5GW pin connector (REVERSING LIGHT RELAY CONTROL).

I'm wondering if sometimes I completely ignore this system and just give power to the 602 relay indirectly through the microswitch which I bought skipping the line behind it towards the engine compartment ...

Unbelievable how much knowledge can be learned in one evening.

piotras.plock wrote:

I look according to 2008.05.23_NT8430eu_Visu v5.0_Renault Master X70
According to the scheme from this NT, it comes out a little different (file attached).

And I look and see no difference between these diagrams when it comes to power connections, relay control and lamp connections

Naturally The difference is only in "drawing it out".
Anyway, I am happy that I was able to understand anything from the scheme, although I finished school in 2000 as an electrician and until now I had no contact with the profession
As soon as the weather allows, I will get on with it and solve it in the previously assumed way, that is, powering the relay from "plus after ignition", bypassing the section under the hood.

So today is an immortal moment

This is the gear lever in the original:


Here's how to prepare the lever for modification:



Microswitch 5A and mounting screws, which I slightly shortened "to size":


I applied the microswitch to the target mounting location, marked and made the holes for the screws:


I connected the cable in such a way that one pin in the microswitch was connected to contact number 30 in the place of the relay, which we remove permanently:


... and the other directly under fuse F5 in the fuse box:


Reversing lamp supply circuit open / gearshift lever "one":


Closed circuit / lever in reverse position:


With the ignition on, this gives the following effect:


So everything works as it should.

Once again, thank you very much for helping me solve this problem.
Greetings Piotr.

And that's great.
Electrical connections to patch because it smells of junkiness and personally I would not get rid of the relay.
Although you write that the microswitch has a load capacity of 5A but are you sure for 12-14V?
Even if it had such a load capacity for 12-14v, the current consumed by the lights is about 3A, I would leave this relay anyway.
That's my opinion

I probably will. I just need to get some fuse and relay adapter.
The pin in the relay is connected well. Soldered and insulated with a "insert" shrink tube, it is also rigid, without play. The microswitch cable is also soldered and insulated with a heat shrink. Only "under" the fuse, because I did not have an adapter, and I hate cutting and rummaging in factory installations.

Hello

Let me refresh the topic a bit.
Where exactly does the control of the discussed relay come from? From the computer of this chest? Where to find the beginning of this signal?

Regards.

Mass control from the gearbox module