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I got the warning 'Beep!' & the message FUSE 10 FAILED. I checked the manual & Fuse 10 is the driver's seat (RHD) & indeed I discovered that I could not adjust my seat. Fuse 10 is conveniently located in the little fuse box under the right hand seat. I then spent about ten minutes scratching my head as the fuse appeared to be OK. Eventually I realised that I was looking at the wrong 30A fuse. Once I found the correct fuse I confirmed that it had blown & replaced it. The seat can now be adjusted again. The heated seats have never worked & I have never bothered to fix them as I am not a fan of heated seats. As a former co-worker commented to me regarding his new car with heated seats "It feels just like I pissed myself!😀

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Mina says that every time I turn the ignition on and has done for about 8 or 9 years, only on mine it says FUSE 20 FAILED. Fuse 20 hasn't failed and as it supplies power to the passenger electric seat I don't have, I just ignore it. Apparently there's a resistor on the BeCM power board that is part of the fuse checking circuit and it sometimes fails. I've got a spare BeCM power board that would cure it but have never got around to fitting it. I've got so used to it, if I don't get the Beep when I first turn the ignition on, I'll probably think something is wrong......

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nigelbb wrote:

....found the correct fuse I confirmed that it had blown & replaced it. The seat can now be adjusted again...

If the seat fuse is blowing WITHOUT you pressing buttons, you might want to look at the inflatable lumber support. (I beleive) this is the only seat function that has a switched negative (it has a live unswitched wire in the seat back). You can access this wire without removing the seat but I didn't find this out in time.

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Today I've decided the p38 (and a spares car) need to go. Insurance is now so ridiculous I can't justify keeping them. Tax & insurance >£2k even with very limited miles. I can get traders insurance but I don't have a big car collection, just the old p38s.

Sad times, I've only had them about 5 years/18months.

Will be back to pick brains about types of wheels and seats before I finally send these great old machines on their way.

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That sounds a lot. Tax on a pre-2001 P38 is only £30 a month and I'm paying just under a grand a year for unlimited mileage, unlimited number of cars, maximum value on each £10k, traders policy. As long as they see a bit of turnover they are happy. A couple of years ago insurers got very twitchy about Range Rovers due to the number of the newer ones being stolen, although when I explained that although I had 2 listed on my policy they were older ones that aren't at risk of being stolen. Last year they were only loading anything later than 2010.

If you are going for limited mileage, then a Classic policy might be an option.

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Had a slowly advancing rotational "grunch, grunch" noise that was one of those that seemed to be coming from a bunch of different places.
Finally had an assistant hang out of the LH rear window and listen. He thought rear wheel bearing.
Drained Diff, and found major water contamination in lube, odd, since i had not been in any deep water since last oil change in diff. breather good as well.
Anyway, I got a good second hand 4 pin diff from breaker, and installed it today.
Checked wheel bearings when I pulled axles. Both good.
Problem solved! $80 bucks, including diff, oil and black silicone!!
Easy job. Gotta love these beasts!
Original diff looks good on inspection, so I am thinking carrier bearing. Will disassemble when it gets warmer and see.

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Kbs wrote:

Today I've decided the p38 (and a spares car) need to go. Insurance is now so ridiculous I can't justify keeping them. Tax & insurance >£2k even with very limited miles. I can get traders insurance but I don't have a big car collection, just the old p38s.

Sad times, I've only had them about 5 years/18months.

Will be back to pick brains about types of wheels and seats before I finally send these great old machines on their way.

Give NFU Mutual a call. They have local offices all over the country. I was very pleasantly surprised when at last renewal LV bumped the premium by 50%. I am paying about £340 for my P38 which is not bad considering my wife's Smart FourTwo costs £275. We are loaded as my wife only passed her test 18 months ago.

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Kbs wrote:

nigelbb wrote:

....found the correct fuse I confirmed that it had blown & replaced it. The seat can now be adjusted again...

If the seat fuse is blowing WITHOUT you pressing buttons, you might want to look at the inflatable lumber support. (I beleive) this is the only seat function that has a switched negative (it has a live unswitched wire in the seat back). You can access this wire without removing the seat but I didn't find this out in time.

I got the FUSE 10 FAILED message again yesterday so it looks like I need to investigate what's actually causing the fuse to blow. We had -5C in Brittany yesterday & the fuse blew when I pressed the PROG button on the HEVAC to clear the ice from the windows. I definitely didn't press any buttons to move the seat.

AFAIK no P38 seat has an inflatable lumbar support. I thought perhaps some short in the heating elements was causing the problem. It's -5C here again this morning & the same is forecast for tomorrow so I'm not going to do any work on the car for a few days. We have lived in this cottage for five years & this is the first time we have had such low temperatures which are very unusual for Brittany.

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nigelbb wrote:

AFAIK no P38 seat has an inflatable lumbar support.

Yes they do, all of them with memory seats and possibly those with electric non-memory too.....

From the owners handbook

enter image description here

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I use my lumber support, great for my lower back pain. Some kind of compressor down there, I can hear it whirring away.

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Gilbertd wrote:

nigelbb wrote:

AFAIK no P38 seat has an inflatable lumbar support.

Yes they do, all of them with memory seats and possibly those with electric non-memory too.....

From the owners handbook

I knew that my Vogue has memory seats with adjustable lumbar support but didn't realise that it was a pneumatic inflatable thing. I thought that it was just moving a solid pad. I got my seat adjusted just how I like it years & years ago, stored it as Memory 1 & haven't adjusted the seat for many years.
It's unusually cold for Brittany at present (down to -5C) so I will wait until it warms up a bit before investigating seat wiring.

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nigelbb wrote:

Gilbertd wrote:

nigelbb wrote:

AFAIK no P38 seat has an inflatable lumbar support.

Yes they do, all of them with memory seats and possibly those with electric non-memory too.....

From the owners handbook

I knew that my Vogue has memory seats with adjustable lumbar support but didn't realise that it was a pneumatic inflatable thing. I thought that it was just moving a solid pad. I got my seat adjusted just how I like it years & years ago, stored it as Memory 1 & haven't adjusted the seat for many years.
It's unusually cold for Brittany at present (down to -5C) so I will wait until it warms up a bit before investigating seat wiring.

Maybe it is a moving pad? I've only moved mine twice in 3 years , I just recall a whirring noise and assumed it was a compressor.

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It is a pump and bladder. On non-memory seats the supply from fuse 10 goes directly to the lumbar pump but on a car with memory seats it goes to the seat outstation.

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Gilbertd wrote:

That sounds a lot. Tax on a pre-2001 P38 is only £30 a month and .... loading anything later than 2010.

If you are going for limited mileage, then a Classic policy might be an option.

Many thanks for the advice Gilbert (and your great support here and on the lpg forum over the past 15 years).

The obscene insurance quote was from a classic insurer. The car is 2002.

It's not just the cost that requires me to move my p38s on. My house, garage and now garden are full of projects I'm clearly not going to get around to. To regain a little of my sanity - I need to have a big, uncomplicated clear out. I would love to keep parts to sell separately - but this must be limited to easy parts. I will start a thread showing scrap yard offers etc and ask some advice on the wheels from the '02 and those unusual nappa seats.

I still have the Polo breadvan and once the p38s are gone, the Polo can be returned to the road.

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Sorry to hear Kbs, is not a problem to move on, but if you feel "forced" to do so, it is not so easy to bear. Hope it goes well with the other projects!!

I had opened a thread for such cases time ago, might want to use it ....
https://rangerovers.pub/topic/1983-the-place-for-sales-swaps-wants-offers-gifts-and-giveaways

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I just took the car for an MOT & it failed on worn front brake pads which is fair enough as that is normal wear & tear. The other fail was because the FUSE 10 FAILED has returned & as the seat cannot be adjusted it's a fail. Obvious really but it hadn't occurred to me. I will need to investigate tomorrow why the fuse is blowing.
There were a couple of advisories on worn rear brake pads & tyres. I had new tyres on the front for the last MOT so I think that I will replace the rear tyres & take it into the garage & get the brake pads replaced all round.

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nigelbb wrote:

I just took the car for an MOT & it failed on worn front brake pads which is fair enough as that is normal wear & tear. The other fail was because the FUSE 10 FAILED has returned & as the seat cannot be adjusted it's a fail. Obvious really but it hadn't occurred to me. I will need to investigate tomorrow why the fuse is blowing.
There were a couple of advisories on worn rear brake pads & tyres. I had new tyres on the front for the last MOT so I think that I will replace the rear tyres & take it into the garage & get the brake pads replaced all round.

Well that was easy. I swapped Fuse 20 for Fuse 10 & now have FUSE 20 FAILED (RHD passenger seat) but I can operate all the movements of the driver's seat including inflating the lumbar support. Before testing I removed all the excessive amount of crap that I had stuffed into the rear pocket of the driver's seat which mainly seems to consist of garage bills dating back up to 20 years but unless that was pressing on a wire that had chafed through & caused a short I doubt that was what fixed it.

The reason that I swapped over fuses to test the seat motors was because I have no spare 30A fuses but do have twenty on order from Amazon arriving this evening between 5:30pm & 8:30pm. I thought that I would be troubleshooting for a while & chewing through fuses until I found the cause but it looks like I will now have a lifetime's supply of 30A fuses delivered later today😀

I'm relieved that the fix was as simple as replacing the fuse as troubleshooting looked problematical especially with not being able to move the seat at all. The BECM is there under the seat so I had visions of that being an issue. Long ago before the heater matrix & O rings were replaced the carpet used to be sodden but it has been dry for years now.

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Rachel is taking us on a trip through the north of the Kruger National Park. Towing beautifully even in 40degC heat past herds of elephant.

enter image description here

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nigelbb wrote:

I'm relieved that the fix was as simple as replacing the fuse as troubleshooting looked problematical especially with not being able to move the seat at all. The BECM is there under the seat so I had visions of that being an issue. Long ago before the heater matrix & O rings were replaced the carpet used to be sodden but it has been dry for years now.

Oh dear! I spoke too soon. I've been driving about today then went to pick up my wife from town after she had been given a lift by her son. Just after we had started off back towards home I heard a beep & the FUSE 10 FAILED message appeared again.

When I got back I again looked around for any wires chafing or any signs of anything else amiss. I found nothing so replaced the fuse & then spent a while moving the seat every which way by the buttons to try & see if it would fail again. It didn't. As the seat can be moved when the door is open I had been testing with the ignition off but then decided that I needed to test with the ignition on so I started the engine. After a minute or so...Beep & FUSE 10 FAILED appeared again. I switched off & put a new fuse in & tried again. I did more testing with the ignition on & ignition off & door open. It's all working apparently but it's that worst of all faults i.e. an intermittent fault.

It was getting cold in the garage so I have now given up for the day trying to troubleshoot. I have just ordered a set of 1/2 drive Torx bits including a T45 so that I can remove the seat & get a proper look at what the problem might be. They are supposed to arrive tomorrow.

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If it is, as has been mentioned and is the primary suspect, the wiring to the lumbar pump, it goes via C0974. All the other wires go from the seat outstation directly to the motors. If you unplug C0974 you won't be able to adjust the lumbar support but it should stop it from intermittently blowing fuses. It's a small 4 way connector with only 3 wires in it here.

enter image description here