avedelphina
Member Since: 14 May 2023
Location: PRG
Posts: 9
  
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| No indicators after trailer socket upgrade |
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Hi everyone,
I have one 13pin trailer socket and as there is space for two sockets, I have asked in the shop to fit the 7pin socket, so I won't have to use adapters with trailers.
I have plugged a trailer in the new socket and the indicators are not working - other lights are fine. But the problem is that they have stopped working on a car, too! I get the sound, I get the indicator lights on the dash, but no light from any. I have disconnected the trailer, but no indicators still.
Strangely, when I connect the trailer to the 13pin socket with adapter, the indicators are working, but only on the trailer, not on car!
I have also noticed that the top row of buttons where the DSC, parking sensors, hazards and locking stopped illuminating. They are all working, but no light, even on parking sensor.
What can be wrong? I will take it back to the shop, but maybe it is something easy to fix?
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 4th Jan 2024 2:56 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10683
 
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I’d take is back to the shop.
I expect they fitted a bypass relay when one wasn’t required.
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| 4th Jan 2024 4:12 pm |
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avedelphina
Member Since: 14 May 2023
Location: PRG
Posts: 9
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They said they just doubled the wires. I will take it there tomorrow, I just wonder why the indicators don't work at all.
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| 4th Jan 2024 6:17 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10683
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Have a look under the bonnet by the battery
There is a fuse box. Look at the large fuses with windows in the top.
There are 2 with light bulb symbols. See if one has blown.
If it has I would leave it and get the shop to check things out. (Unless you think the trailer caused it )
Do you get the trailer light on the dash flash with the indicators when the trailer lights are working ?
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| 4th Jan 2024 6:51 pm |
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avedelphina
Member Since: 14 May 2023
Location: PRG
Posts: 9
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Okay, new development.
The next morning, indicators work, original socket works. As soon as I connect the trailer to the new socket, flashing stops and internal indicators start pulsating quickly as if the bulb is blown.
Good news is that apparently after some cooldown period everything start working again.
So the question now is - how to correctly wire the 7pin socket from 13pin socket?
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| 5th Jan 2024 7:50 am |
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Carl and Petra
Member Since: 13 Feb 2015
Location: Hautes Pyrenees
Posts: 219
  
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I presume the 13 pin was working fine before any alteration?
Are you using LED bulbs on the trailer you plug in?
Am i right in thinking you got the garage to jump wires from that to a 7pin so you would have the option of both?
If so it needs them to start again or for you to strip it out and look at each wire. There is a funny jump wire in the LandRover socket they may have messed up.
The diagrams are easy enough to find on the web.
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| 5th Jan 2024 12:19 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10683
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Pictures are always helpful. Pics of the cables inside the car on the left and ppics of the rear of the 7socket
It's difficult to imagine how incorrectly you could wire it up and cause a short. Are you sure the trailer with 7 pin plug is ok?
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| 5th Jan 2024 3:43 pm |
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avedelphina
Member Since: 14 May 2023
Location: PRG
Posts: 9
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After another day or two sitting still, the indicators are working again. If I connect the trailer to the original 13pin socket, everything works, so I won't touch the new socket again until I have it checked.
In the meantime, the top row of the buttons in center console (DSC, parking sensors, hazards and locking) are not illuminated, but they work. Any idea what could cause this and to get them back to illuminate? I don't care about the buttons much, but the indicator of active parking sensors is not working either and I kind of miss that...
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| 9th Jan 2024 10:26 am |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10683
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Are you sure the DSC button works? When you press it, do you get an orange light on the dash?
And when the yellow console Hill decent button is pressed you get a green? light on the dash?
Do the switches light up at night?
It is very bizzar what you report with your central switches.
First I would unplug them and plug them back in to ensure a good connection.
The red parking light is grounded thru pin 15 and the switch function also uses this as well as night illumination, lock buttons,
I also note that when a trailer is plugged in the rear sensors should be disabled, so if you are finding them disabled this maybe a factor
Notes to self
Fuse 66 HDC, DSC, Ill
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| 13th Jan 2024 10:51 am |
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avedelphina
Member Since: 14 May 2023
Location: PRG
Posts: 9
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Yes, dash lights up and DSC off is shown on the screen. I intended to examine it a bit more as the heavy frost passed, but after a quick ride it seems that everything is working again without any problems and most importantly without me actually doing anything.
I have to admit that I hate these problems that come and go away by themselves, but on the other hand I am quite relieved that there is actually nothing wrong with the car.
Now the new socket wiring must have caused some confusion in those big electronic brains of D3 and I'm not going to press luck by using it again. So the question is how to wire it correctly? What is that funny jump wire that Carl and Petra mentioned?
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| 13th Jan 2024 12:52 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10683
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I expect he was referring to: When a plug is inserted the rear fog lights can be disabled via a blue wire.
It really shouldn’t be a difficult task
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| 13th Jan 2024 3:48 pm |
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avedelphina
Member Since: 14 May 2023
Location: PRG
Posts: 9
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Yeah, I expected this to be pretty straightforward. I'll take it back to the garage as soon as my other car is back.
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| 13th Jan 2024 4:03 pm |
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HairyFool
Member Since: 04 Jan 2023
Location: North Essex
Posts: 683
 
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I found it quite hard to find a 13pin socket with the microswitch in to disable the rear fog lights. A visitor from the dark side, my other vehicle is an is still an EV. Strictly speaking its SWMBO.
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| 13th Jan 2024 8:04 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10683
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Only a big deal if your towing a white or shiny caravan/trailer.
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| 13th Jan 2024 9:09 pm |
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