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shaggydog



Member Since: 12 Aug 2012
Location: Kent
Posts: 3332

United Kingdom 1991 Defender 110 200 Tdi USW Arles Blue
Death throws of an alternator

It would die now wouldn't it Rolling Eyes

Basically shes not charging.

If I turn everything off I get 13.4v on the radio and the dash volt meter is showing a very slight charge but the second I start turning essentials on like lights, wipers it drops down sometimes to 10v and deep into the discharge. Its not the battery as Halfords have supplied a new one FOC due to the old one having half its cranking amps within its warranty period.

Looking at it, I'm going to give it its dues because its the original fitted in 1991 and I hate to think how many million revolutions it has done.


Click image to enlarge



I do have an uprated one new in box which would boost it to 100A but I have turned away from using it as I just don't see the need for the extra amps given what I use and want to keep it standard.

All good, but everywhere that has one for a reasonable price is closed and wont be re-opening until the new year. What a pain. Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197

Self confessed mileage hunter Very Happy

Post #874728 26th Dec 2020 5:47pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4047

maybe time for an over hall https://forums.lr4x4.com/topic/22735-recon...lternator/

https://www.ebay.co.uk/itm/181327087431 the sort kit looking for

also good place to look

https://hc-cargo.co.uk/catalog/oem/slr4922...ood%20Auto

may be brush problem Exclamation


Chainsaw play up late November not starting carb over hall kit and its like new Thumbs Up

Post #874737 26th Dec 2020 6:47pm
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shaggydog



Member Since: 12 Aug 2012
Location: Kent
Posts: 3332

United Kingdom 1991 Defender 110 200 Tdi USW Arles Blue

Hi Dorset, sorry I missed this response Embarassed

I have ordered a new one but will have a go at rebuilding the old one so I have it on the shelf ready.
Never to late to learn Thumbs Up Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197

Self confessed mileage hunter Very Happy

Post #876401 5th Jan 2021 2:51pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4047

ever day and ever way Thumbs Up

Post #876433 5th Jan 2021 5:00pm
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shaggydog



Member Since: 12 Aug 2012
Location: Kent
Posts: 3332

United Kingdom 1991 Defender 110 200 Tdi USW Arles Blue

Well this is frustrating.

I ordered a new alternator a while ago and it finally arrived yesterday.


Click image to enlarge


Its the wrong one Big Cry

I ordered STC229 which is the standard 200tdi 45A Alternator and received STC233G which is the optional uprated 65A one for vehicles fitted with air con or special vehicles conversions.

Now after reading up a bit, I understand that the wiring loom is the same, the difference is the plug.


Click image to enlarge



Click image to enlarge


So, do I change the plug and run it as is, or do I return it and ask them to send me the correct one?

Any electrical Gurus who can shed some light Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197

Self confessed mileage hunter Very Happy

Post #876780 6th Jan 2021 10:04pm
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htb2



Member Since: 02 Nov 2018
Location: aberdeenshire
Posts: 243

Scotland 

Crimp 2 larger brown wires together onto a ring terminal and they go onto the 6mm output stud. The thinner brown wire with tracer goes onto the 4mm stud on the black plastic bit with another smaller ring crimp. Nothing attaches to the terminal marked W as thats for tachometer .

Post #876782 6th Jan 2021 10:10pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4047


Click image to enlarge


two larger wires B+ and small wire two D+

Post #876788 6th Jan 2021 11:12pm
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shaggydog



Member Since: 12 Aug 2012
Location: Kent
Posts: 3332

United Kingdom 1991 Defender 110 200 Tdi USW Arles Blue

Many thanks guys. Bow down

I hate electrics and electrical work.

Will gather tools and consumables get onto it.

What makes this all so frustrating is all the bits I need are at my parents so I have to now go buy new ones rather than risk infecting them and all because they sent the wrong blooming one! Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197

Self confessed mileage hunter Very Happy

Post #876825 7th Jan 2021 10:54am
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4047

before you du that have look at old and see if it has B+ bolt too

Post #876832 7th Jan 2021 11:09am
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shaggydog



Member Since: 12 Aug 2012
Location: Kent
Posts: 3332

United Kingdom 1991 Defender 110 200 Tdi USW Arles Blue

I have bought these but now having got home it says only good up to 35a.


Click image to enlarge


Is this going to be an issue? Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197

Self confessed mileage hunter Very Happy

Post #876937 7th Jan 2021 8:47pm
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htb2



Member Since: 02 Nov 2018
Location: aberdeenshire
Posts: 243

Scotland 

One on each large wire and you have got 70A

Post #876941 7th Jan 2021 8:53pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4047

Yellow pre insulated ring terminal For cables 3.0mm to 6.0mm


6.00mm cable is rated at 41 amps

use one on each for the large brown cables Thumbs Up

Post #876955 7th Jan 2021 10:35pm
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shaggydog



Member Since: 12 Aug 2012
Location: Kent
Posts: 3332

United Kingdom 1991 Defender 110 200 Tdi USW Arles Blue

Well it was all going well until I got the old one off Big Cry


Click image to enlarge


I did look at rotating the casting but the tapped hole would be in the wrong place.

Return to sender tomorrow then Banging Head Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197

Self confessed mileage hunter Very Happy

Post #877513 10th Jan 2021 3:49pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4047

repair old one at lest you no if fits

Post #877657 11th Jan 2021 8:51am
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shaggydog



Member Since: 12 Aug 2012
Location: Kent
Posts: 3332

United Kingdom 1991 Defender 110 200 Tdi USW Arles Blue

Wish I had done now would have been by far the quickest route.
Just need to get it moving again Big Cry Running Restoration Thread http://www.defender2.net/forum/post323197.html#323197

Self confessed mileage hunter Very Happy

Post #877747 11th Jan 2021 4:14pm
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