Interior Light wiring in B post

[Moulton Stag]

Can someone help me with the white black wire which forms part of the wiring in the drivers side B post and is part of the wiring that heads to the interior light. I have a black wire (from the light) and a purple (from the loom located on the drivers side with branch into B post) which I believe is he live feed, purple white and purple orange. It would appear that the previous owner tried to earth the black wire. When i inspected the wiring the purple wire was not connected, white black is connected to something at top of B post and black from the light was earthed (I think). Photo attached. I’ve made a temporary connection between the black and purple as I can’t get to the connector in the B post.

The upshot is that the interior light works but stays on permanently. I’ve followed all the threads on this subject and checked wiring to switch. Car is a Mk2, with single wire door switches and black wires connecting to terminal 1 and 2 of the light switch. LH puddle lamp was working but is not now. LH door switch is working ok. Both footwell lamp are not fully light. I’ve disconnected the back wires from terminal 1 and 2 as a check (from a previous post).

I’ve observed that the LH footwell light has a purple white wire and a single black wire connected and the RH footwell light has a purple orange and 2 black wires connected.

Any help would be appreciated.

Cheers
Chris

SOC member since 1990

[barkerwilliams]

Which interior light stays on? There are two, one on the door switches and one from the manual switch.

Alan

[Jeff]

Take a look here :

https://www.socforum.com/forum/forum/stag-owners-club/technical-section/electrics/29995-interior-lights-an-explanation

[Richard G]

Had similar problem recently after removing t bar, wiring is not simple logic but it works, I think the black wire from light in tbar connects to purpley one, but the technical explanation shown tells all.

[Moulton Stag]

Thanks for the advice. I popped out to the garage tonight and managed to get into the B post from the top and remove the back wire which had been earth. The white black wire is for the heated back light. I’ve tidied up the wiring and connected the black to the purple. Interior light works fine (both bulbs).

i checked all the wires on the interior light switch.

This is what is happening.

1. doors closed, interior light switch off, interior light full power both bulbs
2. doors closed, interior light switch on, interior light half power both bulbs, footwell lights half power
3. left door open, puddle lamp not on, interior light full power both bulbs, switch off
4. right door open, puddle lamp not on, interior light full power both bulbs, switch off
5. both doors open, puddle lamps not on, switch on, interior light half power both bulbs

All a bit of mystery so will have a think and check everything again and figure out why the puddle lamps are not working.

[KOY 23]

Take a look here :

https://www.socforum.com/forum/forum...an-explanation

Julian has pointed out that his above referenced post, which was taken from the technical section, has had all the diagrams removed hence making a complete nonsense of the post.

Maybe this happened during the “upgrade” to the “improved” forum software? He requests that Carl deletes his original posting as it’s now been made meaningless.

[StagJonno]

Do these help? Copies I made of Julian's information.

Jonno
Stag Interior Lighting.pdf Interior Lights - A Explanation.pdf

[stagforum-admin]

Just checked this out and you do need to be logged in as a member to see them, I've requested tech support to look at it, but once I logged in I was able to see the images

Carl

[DJT]

Just checked this out and you do need to be logged in as a member to see them, I've requested tech support to look at it, but once I logged in I was able to see the images

Carl

I’m logged in and can’t see the images.

[KOY 23]

I was logged in, otherwise I couldn't have posted!

[stagforum-admin]

Still getting the support to check it out

It was the images at the top of this post I could see.

The ones in the tech section, we're trying to trace

Carl

[StagJonno]

Still getting the support to check it out

It was the images at the top of this post I could see.

The ones in the tech section, we're trying to trace

Carl

Are the pdf files in #7 not the missing ones?

[stagforum-admin]

Hi

It was a problem with the links, probable after an update, but all seems OK now

Let me know if you come across any more

Carl