L322 2002 L322 Range Rover Vogue Central locking not working

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Datatek said:
Again, unless your car features "Stop Start" it's not appropriate as the charging control will not be specified for that type of battery and on your year of car it is certainly not suitable for an AGM battery.
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The perceived wisdom on here generally seems to be that you should fit an oversized Korean truck battery and wind the alternator voltage up so the poor thing is flogging away above its designed output. Oil-burners might need this but elegant 4-litre engines are happy with the setup as specified in the manual. Avoid stop-start, AGM and deep discharge batteries - they march to the beat of a different drum. P38s need a Marty-filter or Mk3 fob receiver to prevent the BeCM waking up unnecessarily. Remember all that and you will be fine.
 
P38 Monkey said:
The perceived wisdom on here generally seems to be that you should fit an oversized Korean truck battery and wind the alternator voltage up so the poor thing is flogging away above its designed output. Oil-burners might need this but elegant 4-litre engines are happy with the setup as specified in the manual. Avoid stop-start, AGM and deep discharge batteries - they march to the beat of a different drum. P38s need a Marty-filter or Mk3 fob receiver to prevent the BeCM waking up unnecessarily. Remember all that and you will be fine.
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On an L322?
Marty's filter is for a P38 not the L322 which is very different in the parasitic drain regard.
 
P38 Monkey said:
The perceived wisdom on here generally seems to be that you should fit an oversized Korean truck battery and modify the alternator output to add only 0.9v to match the battery technology that has changed so your new battery isn't destroyed.... Oil-burners need this due to high compression and an underpowered battery from the outset!
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Fixed that for youo_O:rolleyes:
 
P38 Monkey said:
The perceived wisdom on here generally seems to be that you should fit an oversized Korean truck battery and wind the alternator voltage up so the poor thing is flogging away above its designed output. Oil-burners might need this but elegant 4-litre engines are happy with the setup as specified in the manual. Avoid stop-start, AGM and deep discharge batteries - they march to the beat of a different drum. P38s need a Marty-filter or Mk3 fob receiver to prevent the BeCM waking up unnecessarily. Remember all that and you will be fine.
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The V8 with a modern lead calcium battery also needs the regulator upgrade to fully charge the battery:p
 
Datatek said:
The V8 with a modern lead calcium battery also needs the regulator upgrade to fully charge the battery:p
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Point taken. As I don’t do many miles, I top up the battery charge using my CTek charger. Ctek advise regularly using the higher-voltage “refresh” setting. I need to check the procedure for updating the alternator, hopefully can be done in situ?
Interestingly, the Marelli alternator has a “Made in Italy” sticker - in Russian Cyrillic script! JLR procurement in freestyle mode maybe?
 
P38 Monkey said:
Point taken. As I don’t do many miles, I top up the battery charge using my CTek charger. Ctek advise regularly using the higher-voltage “refresh” setting. I need to check the procedure for updating the alternator, hopefully can be done in situ?
Interestingly, the Marelli alternator has a “Made in Italy” sticker - in Russian Cyrillic script! JLR procurement in freestyle mode maybe?
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No idea about crap Italian alternators:rolleyes: You could try Mobiltron, they might do a suitable regulator. It's easier to swap on the bench but even on the diesel it can be done in situe
 
Datatek said:
No idea about crap Italian alternators:rolleyes: You could try Mobiltron, they might do a suitable regulator. It's easier to swap on the bench but even on the diesel it can be done in situe
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Yeah, crap Italian engineering. Back in the 80’s a pal of mine had a Ferrari 512BB. It had a flat 12, 5 litre engine with four triple down draft Weber carbs and went like stink. What rubbish. But why get one of those when you could have a rust-bucket Land Rover…
 
P38 Monkey said:
Yeah, crap Italian engineering. Back in the 80’s a pal of mine had a Ferrari 512BB. It had a flat 12, 5 litre engine with four triple down draft Weber carbs and went like stink. What rubbish. But why get one of those when you could have a rust-bucket Land Rover…
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Italians build interesting cars but they have a certain reputation when it comes to the reliability of the electrics, much like a Land Rover:rolleyes:
 
okay so i have replaced the amplifier, old one XUO000020 with the new one XUO500040, still nothing, i have checked its getting power and the continuity of the aerial in the rear window both are fine,

honestly not sure what else it could be
 
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