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excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5948

1999 Defender 110 Td5 SW Caledonian Blue

Rear wiper motor not parking

Its been a while now and finally getting around to sorting the not-parking issue of the rear wiper motor.
No power at the green wire at the motor.

Trying to track down the lack of +12v power at the cable. I thought I had located the cable in the loom under the rear wheel arch but no continuity to the wire inside the rear speaker panel.

Then I thought I had located the correct wire in the loom at the front under the bonnet in the grey multi pin plug but does'nt appear to the right cable - this seems to run off towards the front of the car.

The wiper itself works and so does the wash function but does not park

which means my rear camera does not work either. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

17th Apr 2025 6:09pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6664

2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

On a Td5 with the rotary rear wash/wipe switch, the parking is handled by the switch. The output from the park switch on the brown/light green wire is fed back to the motor feed (red/light green) when the switch is turned off.

I assume when you say it won't park, it just stops instantly rather than continuing to run?

The green wire should be at 12V at all times with the ignition on.

https://www.lrworkshop.com/wiring-diagram/...rs-washers

With it affecting your camera I assume you have lost the white/green > green 12V ignition feed.

1988 90 Td5 NAS soft top

2015 D90 XS SW

18th Apr 2025 5:46pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5948

Hi Martin.
Yeah i have lost power to the white/green wire (which changes to green at the motor plug end)

Looks to be fed via fuse 3 10amp. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

19th Apr 2025 12:16pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6664

It can’t be the fuse as you can start a wipe and can wash (fuse 3 feeds both the wiper and washer circuits as well as the park switch). It think you are looking at a break somewhere on the rear door feed.

1988 90 Td5 NAS soft top

2015 D90 XS SW

19th Apr 2025 12:57pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5948

Cheers. I have traced the lack of power to the connector behind the rear speaker panel. Wire changes colour at the connector from green to green/white.

Any idea on the location of the power feed wire at the bulkhead end of the loom?

I think i saw on a diagram that the same wire also feeds the water in fuel sensor.

Need to go back and re-study the diagram but not on a phone 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

19th Apr 2025 1:48pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6664

https://www.lrworkshop.com/connectors/defender-1999/C0285

1988 90 Td5 NAS soft top

2015 D90 XS SW

19th Apr 2025 2:00pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5948

Thanks Martin

If I under stand correctly, power in to the connector from fuse 3 on pin 1 and out on pin 4 to the washer motor and also out on pin 2 to the park switch

Click image to enlarge

There is also another connector C0377-3 & C0391-3 Engine side I will need to locate - which I think I will start with

Click image to enlarge

Very handy the interactive wiring diagrams - thanks LR Workshop 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

20th Apr 2025 5:39pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5948

Update time

Thanks to Martin and LRWorkshop for the wiring diagrams.
I checked I had 12v at the engine bay connector and I did.

I then proceeded to check for continuity and no continuity to the rear connector.

Peeling back the wiring loom cover under the rear wheel arch I found two white/green wires that join together and then following this wire for approx 150mm I then found the wire changed colour and some shrink wrap on the cable.

I dug a bit further and then found a bad solder joint joining the random wire to the original wire.

Tested for continuity and I had some.

Cut back the old duff wires and soldered in some new wire and plenty of shrink wrap.

Wiper now parks where it should and the reverse camera also works again

1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

21st Apr 2025 4:41pm

Screbble

Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2194

2004 Defender 90 Td5 XS CSW Zambezi Silver

Glad you got it sorted - in time for the rain 👍

21st Apr 2025 5:43pm

excossack

Member Since: 22 Feb 2012
Location: North West
Posts: 5948

Cheers. Also good news having a working reverse camera that works as well

1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock

21st Apr 2025 7:42pm

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