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jeffersj

Member Since: 23 Jan 2015
Location: Near Preston
Posts: 431

1996 Defender 90 300 Tdi HT Bronze Green

Another washer jet query

I want to do the mod using the left hand drive wiper holes and install 2 separate jets using front and rear pumps for the windscreen, is it possible just to solder the wires together from both pumps so that both motors work from the wiper push button stalk or will this overload the wiring to the stalk.

Jeff
Ex 1968 Series 2A
Ex 90 TD5
Ex D3
Ex D4

29th Apr 2018 3:47pm

mk1collector

Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

Why would you want to? If all the kinks are taken out of the water pipe and the none return valve is ok then the pump for the front gives plenty of pressure for two front jets. Ray
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29th Apr 2018 4:10pm

LandRoverAnorak

Member Since: 17 Jul 2011
Location: Surrey
Posts: 11324

If you did set it up as you describe, you'd have to be careful which way around it's plumbed in. The rear screen pump is higher than the front so that you can't leave yourself without water for the front screen.

As mk1collector says though, the front pump is perfectly adequate. This is the second vehicle I've made the mod to:

Click image to enlarge Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

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29th Apr 2018 6:02pm

JR

Member Since: 07 Dec 2012
Location: Auchtermuchty
Posts: 532

1984 Defender 90 200 Tdi SW Coniston Green

Re: Another washer jet query

jeffersj wrote:
I want to do the mod using the left hand drive wiper holes and install 2 separate jets using front and rear pumps for the windscreen, is it possible just to solder the wires together from both pumps so that both motors work from the wiper push button stalk or will this overload the wiring to the stalk.

I concur!

My 1984 90SW has had this since before I bought it in 12/1999 and has worked flawlessly and my vehicle was both a training vehicle, an off road trials motor and lives on mucky 'C-class' roads through farms. The only thing I had to do when I got it was swap the pipes round on the T-pipe to stop the water priority being on the passenger's side!

29th Apr 2018 11:48pm

Maxxed_Ross

Member Since: 06 Jun 2012
Location: Bathgate / North Sea
Posts: 340

I've binned the standard centre washer and moved to jets mounted on the wipers themselves. Locating the jets onto the wipers makes a massive difference - look into the VW type 99 wiper relay too

As for using two pumps - no reason why not if you want a bit more oomf out of them. My mate runs his this way and I'm about to do the same as I've removed my rear wiper totally now.

There are a couple of conversion kits out there for a bigger washer jet pump, but might as well piggy back two if you have them for free.

Last edited by Maxxed_Ross on 30th Apr 2018 9:48pm. Edited 1 time in total

30th Apr 2018 1:38am

jeffersj

Member Since: 23 Jan 2015
Location: Near Preston
Posts: 431

Thanks All! Ross It was the wiring I was concerned about, what would happen if the 2 motor connectors were wired together? Jeff
Ex 1968 Series 2A
Ex 90 TD5
Ex D3
Ex D4

30th Apr 2018 8:15am

red zepplin

Member Since: 26 Mar 2015
Location: Never far from a brew (Lancashire)
Posts: 196

Hi got this mod on the zepplin plenty of pressure using 1 pump and a t piece just make sure the aim is spot on :thumbsup: but it makes such a difference and is so ceap and easy to do every in should do it even put the on the head lamps these are fed from the rear washer

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30th Apr 2018 9:44am

Maxxed_Ross

Member Since: 06 Jun 2012
Location: Bathgate / North Sea
Posts: 340

jeffersj wrote:
Thanks All! Ross It was the wiring I was concerned about, what would happen if the 2 motor connectors were wired together?

It'll increase the load on the wiring, so may be worth looking into a relay if you plan on using them for extended periods

My mate who has run this set up for around 5 years hasn't bothered and I'm not going to either

30th Apr 2018 6:51pm

VeeTee

Member Since: 06 Mar 2011
Location: Somewhere
Posts: 1512

I reckon this is a dash out job?

Cheers, Vincent
1959 Polynorm 1/4 Ton Trailer, Olive Drab Green (sold)
1970 M416 Military Trailer (Camping Trailer Conversion), Epsom Green (sold)
1975 Series III 88 V6, Light Green (sadly sold)
1996 Defender 110 CSW 300 Tdi, Epsom Green (sold)
2000 Freelander 1 TD4 3-drs, Silver (sold)
2006 Freelander 1 TD4 5-drs Facelift Automatic, Tonga Green (sold)

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30th Apr 2018 7:02pm

Maxxed_Ross

Member Since: 06 Jun 2012
Location: Bathgate / North Sea
Posts: 340

Click image to enlarge

30th Apr 2018 9:52pm

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