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mse

Member Since: 06 Apr 2008
Location: UK
Posts: 5024

2016 Defender 110 Puma 2.2 XS CSW Scotia Grey

Rear door switch

Am i right in thinking, if i take a feed from the rear door switch purple wire via a 3 switch i can wire it so:
On: On
Off: Off
On: On when door is opened
(this is for my interior lights already wired)

I seem to recall the purple wire out of the switch is a live not an earthed switch? Mike

7th Jan 2017 7:48pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19572

Can't remember colours.
But there are two lives and and earth.
One is the AS10 live
2 perm live.
Earth, door switch triggered and earth switched.

This gives you on the lights, on constant, door switched on, off completely.

If you wanted to mimic this in something else providing load is with in standard allowance you can solder to light fixture pins like I did.
Then what ever you are running off of the feeds you can mimic and use all features of the interior lights.
There isn't a need to tap directly into the wires, if it all goes Pete tong (which it shouldn't!) you could just replace the light fixture.
Fit an in-line fuse and you still retain interior lights. Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧

7th Jan 2017 8:34pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19572

Here is an old pic:

Click image to enlarge
You can see the feeds, the light fixture I no longer use but you can solder onto the pin feeds each side of the light once you've identified the live pin and earth.
Then you can mimic and use the same switching for the lot. Diesel$ Live$ Matter. ⛽️🛢️👨‍🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧

7th Jan 2017 8:39pm

mse

Member Since: 06 Apr 2008
Location: UK
Posts: 5024

Thanks - i think the feeds for the rear lights run down the back anyway so i could tap into them there, although thinking about it, the reason i wanted to use the rear door switch was to only have the rear lights on when using the rear door eg open the front door and its just normal LR lights, rear door its normal lights plus my lights

Ill have to go an do some testing me thinks Mike

7th Jan 2017 11:04pm

Cupboard

Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971

2011 Defender 110 Puma 2.4 HT Corris Grey

The wire that goes to the rear door switch doesn't actually carry any load, it's just controlling the 10AS.
It's also in common with the passenger doors (or I think it is, control-wise they're common).

I would be reluctant to mess with it, whilst it does undeniable short to ground when the door is open, putting something in that relies on that fact to switch it could end up confusing or breaking the 10AS. If you wire a light in to it then when the door is closed the light will pull it up to 12V and I've no idea what the 10AS is expecting. It may not cause any issue at all of course.

8th Jan 2017 5:45pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Click image to enlarge

8th Jan 2017 6:37pm

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