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Smudger



Member Since: 26 Nov 2012
Location: Basingstoke
Posts: 36

United Kingdom 2008 Defender 110 Puma 2.4 SW Stornoway Grey
Puma Heated Windscreen Switch Wiring
Happy Christmas All,

Anyone got the pin outs for the OE Puma Heated Windscreen Switch to hand?

s 08 110 Puma Station Wagon
65 Jaguar XF Sportbrake S
99 Elise 111S
Honda XR250
42 Royal Enfield Flying Flea
43 Matchless G3L
Post #381838 25th Dec 2014 6:32pm
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dorsetsmith



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


Click image to enlarge





this may help



Pin 1 - from Timer Relay

Pin 2 - Live from Dash Illumination

Pin 3 - Not Used (but internally connected to Pin 4)

Pin 4 - To Earth

Pin 5 - Live from output side of Relay (to light the tell-tale LED)
Post #381855 25th Dec 2014 7:24pm
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PaulMc



Member Since: 17 Jan 2009
Location: Kent
Posts: 499

United Kingdom 1989 Defender 110 2.5 TD HT Arles Blue
On the switch pins -

Pin 1 - From heated front screen timer (terminal 5)

Pin 2 - Dash illumination live

Pin 3 - Not used

Pin 4 - Earth

Pin 5 - Live from heated front screen relay (terminal 87) - to illuminate switch's tell-tale LED


It's a momentary switch, which switches terminal 5 of the heated front screen timer to earth. This starts the timer's timed period.


This diagram is for the 2002 TD5 Defender - but, the circuit is the same as the Tdci Defender -


Click image to enlarge



.

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green  Paul.
1989 Arles Blue 2.5TD 110 Hardtop
1999 Epsom Green Discovery II 4.0 V8i 'XS'


Last edited by PaulMc on 25th Dec 2014 7:48pm. Edited 1 time in total
Post #381857 25th Dec 2014 7:37pm
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PaulMc



Member Since: 17 Jan 2009
Location: Kent
Posts: 499

United Kingdom 1989 Defender 110 2.5 TD HT Arles Blue
dorsetsmith wrote:

Click image to enlarge





this may help



Pin 1 - from Timer Relay

Pin 2 - Live from Dash Illumination

Pin 3 - Not Used (but internally connected to Pin 4)

Pin 4 - To Earth

Pin 5 - Live from output side of Relay (to light the tell-tale LED)



That diagram shows a switch that's been internally modified to be a live-switching switch.

It's shown being used with an after-market timer relay, which requires a live pulse to start its timed period.


The switch pinouts detailed below the diagram, are for the un-modified switch, used with the OE timer relay (PRC6796)

. Paul.
1989 Arles Blue 2.5TD 110 Hardtop
1999 Epsom Green Discovery II 4.0 V8i 'XS'
Post #381860 25th Dec 2014 7:42pm
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Smudger



Member Since: 26 Nov 2012
Location: Basingstoke
Posts: 36

United Kingdom 2008 Defender 110 Puma 2.4 SW Stornoway Grey
Thanks guys, I've all the info I need now.

S 08 110 Puma Station Wagon
65 Jaguar XF Sportbrake S
99 Elise 111S
Honda XR250
42 Royal Enfield Flying Flea
43 Matchless G3L
Post #381862 25th Dec 2014 7:52pm
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defender_uk



Member Since: 12 Aug 2011
Location: SW Scotland
Posts: 197

Scotland 
is the wiring there in all new defenders, just not wired up?
really want to get one in the new 90...

thanks 2020 First Ed 110.

replaced by 2021 250 110 Commercial

Defender_uk
Post #381868 25th Dec 2014 8:15pm
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dorsetsmith



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

paul your right switch has been pos switching mod Exclamation





PaulMc wrote:
dorsetsmith wrote:

Click image to enlarge





this may help



Pin 1 - from Timer Relay

Pin 2 - Live from Dash Illumination

Pin 3 - Not Used (but internally connected to Pin 4)

Pin 4 - To Earth

Pin 5 - Live from output side of Relay (to light the tell-tale LED)



That diagram shows a switch that's been internally modified to be a live-switching switch.

It's shown being used with an after-market timer relay, which requires a live pulse to start its timed period.


The switch pinouts detailed below the diagram, are for the un-modified switch, used with the OE timer relay (PRC6796)

.
Post #381922 26th Dec 2014 8:35am
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Smudger



Member Since: 26 Nov 2012
Location: Basingstoke
Posts: 36

United Kingdom 2008 Defender 110 Puma 2.4 SW Stornoway Grey
Guys,

Well I am confused! I spent the day finishing this off and I can't get it to work. I know I've got the high current relay in properly. I'm using OE PRC6796 and an OE switch any clues please?

S 08 110 Puma Station Wagon
65 Jaguar XF Sportbrake S
99 Elise 111S
Honda XR250
42 Royal Enfield Flying Flea
43 Matchless G3L
Post #475506 23rd Nov 2015 6:10pm
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Smudger



Member Since: 26 Nov 2012
Location: Basingstoke
Posts: 36

United Kingdom 2008 Defender 110 Puma 2.4 SW Stornoway Grey
Stand down I sorted it. Thanks all the same.
S 08 110 Puma Station Wagon
65 Jaguar XF Sportbrake S
99 Elise 111S
Honda XR250
42 Royal Enfield Flying Flea
43 Matchless G3L
Post #475536 23rd Nov 2015 6:35pm
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