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Mike2a

Member Since: 20 May 2024
Location: Devon
Posts: 8

2013 Defender 110 Puma 2.2 USW Santorini Black

Wipers blowing fuses

Hi everyone,

I would like to test a theory before I get chance to stip down the dash.
My 13 plate 110 blew a fuse for the wipers this morning. No indication on why this happened, so I replaced it and it was fine until this evening and again not working. I have now gone though 5 15a fuses with a progressive worsening of the problem. The last one blew instantly as soon as the ignition went on.

So to park the wipers I dropped in a 25a fuse. Now this did not blow, but now the wipers are continuous no mater where the stalk is placed. Speed does very though.

My thoughts before going to to pull it apart it a failed stalk with a short to groud.

If I pull the relay would that help, need to use it tomorrow and with the current weather need to fix pronto. I have left it with no fuse at the moment.

Any pointers or thoughts would be appreciated.

Cheers Mike

22nd Oct 2024 8:31pm

NickMc

Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1624

Have a look at the wiper boxes incase they’re seizing up.

22nd Oct 2024 9:03pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20347

Wiper boxes and rack most likely seized, could be putting high load on the motor drawing excessive current.

Lube the wheel boxes with a light penetrating oil like WD40 as a temporary fix, let it bass off too just in case there is any sparks near the motor you never know.

You’ll likely need a new rack and wheel boxes plus park switch, if unlucky a new motor but that might not be the case if it runs okay without load. $W33T $0U7H3RN $UG4R
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22nd Oct 2024 9:09pm

NickMc

Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1624

Don’t loose the short tube end of the rack when you take it apart 👍🏻

22nd Oct 2024 9:34pm

jim4244

Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 775

2007 Defender 90 Puma 2.4 CSW Zermatt Silver

Morning

Same symptoms as my wipers just before the drivers side wiper gearbox seized up. Unfortunately you will have to bite the bullet, remove the dash and replace the gearboxes. Not as bad as it first sounds and should be completed in 1.5 - 2 hours.

Jim

23rd Oct 2024 3:19am

revd

Member Since: 20 Apr 2024
Location: England
Posts: 115

If it’s just the spindle through the bulkhead peel back the outer seal and squirt motorcycle chain spray and some wiggling back and forth

23rd Oct 2024 5:29am

Mike2a

Member Since: 20 May 2024
Location: Devon
Posts: 8

Thanks for the reply, how did you get the wipers to stop? The only way I can do this atm is to pull the main fuse.

23rd Oct 2024 6:01am

jim4244

Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 775

Just my thoughts but it sounds as if the wiper switch has been damaged, probably by inserting the higher rated fuse after the lower rated ones kept blowing.

When my wipers started to blow the fuse I too put a higher rated one in. In the end it damaged the wiper motor and I had to replace the entire wiper array.

Check the wiper switch as it may have welded itself to permanently on.

Jim

23rd Oct 2024 6:15am

Mike2a

Member Since: 20 May 2024
Location: Devon
Posts: 8

Thanks for the context it makes sense. I'll start pulling it apart tonight.

Regards mike

23rd Oct 2024 7:08am

macfrank

Member Since: 05 Nov 2015
Location: somewhere in the north
Posts: 1076

2015 Defender 110 Puma 2.2 SW Keswick Green

Re: Wipers blowing fuses

Mike2a wrote:

My 13 plate 110 blew a fuse for the wipers this morning. No indication on why this happened, so I replaced it and it was fine until this evening and again not working. I have now gone though 5 15a fuses with a progressive worsening of the problem. The last one blew instantly as soon as the ignition went on.

So to park the wipers I dropped in a 25a fuse. Now this did not blow, but now the wipers are continuous no mater where the stalk is placed.

uff. Sorry, but that wasn‘t just a bad idea but actually dangerous.

Fuses usually blow for a reason. It‘s never clever to just replace them and never with a higher rated one. And 10A more is a lot!

Fuses are there to protect the wires from going up in flames in case of a short.
If the wire survives, the next weaker element in the circuit may suffer, adding another problem.

23rd Oct 2024 10:21am

discomog

Member Since: 09 May 2015
Location: Notts/Lincs Border
Posts: 2526

2015 Defender 90 Puma 2.2 XS CSW Santorini Black

Frank makes a very valid point which many people fail to recognise and that is the fuse is there to protect the wiring and prevent breakdown of the insulation and possible fire. The fuse is not used to protect things like wiper motors, heater motors etc - just the circuit. Defender 90XS SW
Mini Countryman Cooper S
Morgan Plus 8

23rd Oct 2024 12:04pm

Mike2a

Member Since: 20 May 2024
Location: Devon
Posts: 8

Well it was just the relay in the end.

And I'm well aware of how and what a fuse is use for thanks.

24th Oct 2024 8:28pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20347

That’s good news.

$W33T $0U7H3RN $UG4R
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪

24th Oct 2024 8:51pm

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