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Land Rover Defender 110 FFR Alternator 24V 90amp

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Hi,I am having problems with my 24v 90 Amp Alternator fitted to my Land Rover 110 FFR. It is the one that has B1, W/L and B2 terminals on the back of it. It used to charge the rear batteries ok. Now it doesn't. Does anyone have a way to test the Alternator to see if it is working ok.Thanks,

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Have you checked the 50A fuse between the shunt box & the alternator?

 

WL warning light

B1 +ve

B2 -ve I think

 

If you have a go at the regulator

Black -ve

Red +ve

Yellow WL

Green Field

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Hi, Yes I have check the fuse. Looks Ok.

 

Is there anyway I can check whats coming out of the Alternator?

 

Also Does anyone know where the relays are for the 24volt dashboard light.

 

Many Thanks,

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Is there anyway I can check whats coming out of the Alternator?

 

I would have thought stick a voltmeter across B1 & B2

 

When you established which is -ve (B2 I think) then put the +ve prod on WL the warning light terminal.

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Does anyone know where the relays are for the 24volt dashboard light.

 

There are two:

24v ignition warning light relay

24v ignition warning light black out relay

 

(Ignore the top arrow which is the ammeter of course)

 

They are both under here:

 

App3832.jpg

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Hi,

 

Do you have any info/manuels on the 24v 90amp Alternator, I have looked at the charged up docs etc I cannot see it.

 

Thanks,

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Thanks,

 

I will have a look.

 

Hi, I have fixed the problem. It was a earthing fault. New Earthing strap and I am charging at 28volts again.

 

Thanks for all the help.

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Ah well done, nice & cheap outcome. Appreciate you letting us know. Apart from me there are many who watch & like to see how things pan out.

 

Just seen your post about documents. The AESPs have very scant information. A few very basic tests, removing it & fitting it plus I think some bearing info. Pretty feeble on the electrical detail I'm afraid, nobody needs to know these days. Chuck it away & fit another.

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