So, from my research the standard D3 alternator is 150Amp?
What do people recommend as an upgrade?
I have a G4 D3 with additional HID lights, extra battery and a Warn 9.5Ti winch.
I have to change the alternator and battery as mine are both goosed so I may as wel invest in upgrades...
Thoughts please.
TIAG4OC Secretary
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6th Jul 2017 7:09 pm
tayaste
Member Since: 15 May 2013
Location: Chester
Posts: 7633
I think you'll be hard pressed to find an upgraded alternator that'll play nicely with your stunning G4.
Plenty of battery options though, I think Del is clued up on best place to purchase a new cranking battery.
6th Jul 2017 7:12 pm
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72786
Though check with others, way too much responsibility on my head.
Already talking to them about the battery, looking to replace the alternator at the same time, or do we think the 150Amp is up to the job......?G4OC Secretary
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6th Jul 2017 7:43 pm
tayaste
Member Since: 15 May 2013
Location: Chester
Posts: 7633
I don't think you have much choice re: the alternator
6th Jul 2017 7:45 pm
DavidSally
Member Since: 31 Oct 2012
Location: Chesterfield
Posts: 565
Andy, everyone seems to have the 017 battery but I went for the 019 about a year ago and have had no problems over it.
Looking at the battery for my D4, the replacement is an 019. If you get one of the later stop/start AGM batteries, they will withstand a deeper discharge as they're designed to be used with the engine off a lot.
If your G4 came from Land Rover with a 150Amp alternator, I'm not sure if there are any larger ones specified that will fit. If it worked for the G4 challenge, then you shouldn't have any issue, especially if the replacement is a good quality one.
6th Jul 2017 9:08 pm
M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8093
AGM batteries are not recommended for D3's, best suggestion for you if you haven't already got it is a dual battery set up.It can when others can't,
It will when others won't,
It goes where others don't.
AGM batteries are not recommended for D3's, best suggestion for you if you haven't already got it is a dual battery set up.
Thanks for the advice, I am already running a dual battery set up, 2nd battery runs the additional ancillaries (HID lights, CB, Winch etc) the second battery is smaller so will be replacing that and probably add a smart split charge system as well so I can monitor voltage levels in the cabin.G4OC Secretary
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(I think he really does have shares in the place )The happiest of people don't necessarily have the best of everything;
They just make the best of everything they have.
So, new 017 battery ordered from Tayna and a replacement 150A alternator ordered from LR Spares.......also going to acquire a different 2nd battery for the auxiliary battery compartment......
Hoping this cures my startup problems like no special programs, EPA fault etc.......G4OC Secretary
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8th Jul 2017 4:04 pm
tayaste
Member Since: 15 May 2013
Location: Chester
Posts: 7633
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