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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554  |
Check battery Neg to chases and transfer box
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30th Dec 2016 6:17pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19569 
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As above, possibly consider adding temporary power and earth feeds.
As well as normal testing for continuity, power etc with a Multimeter. Hopefully this will then aide you to I.D. The problem. Checking earth from starter to battery lost negative would be a good start. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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30th Dec 2016 6:30pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
 Click image to enlarge This is mod drawing from tdi 300 removed EGR control show glow plug timer and starter relay red box is their alarm contacts will be wired to but not shore if TDI 200 has one fitted |
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30th Dec 2016 6:59pm |
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| xcentric Member Since: 17 Jan 2016 Location: Midlands Posts: 247 |
checked most stuff including earths, and got a few more things to try, but wondering if my replacement starter motor is also fubared. Do people recommend buying the Bosch original, or the Bearmach/a.n.other make - got mine from Advanced Factors who are generally excellent for gear, so it's not so likely to be that (that would make it the 3rd one to fail in 2 months) - but wondered what people found the aftermarket ones to be like?
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2nd Jan 2017 2:55am |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
sounds like you have more than just starter motor problem
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2nd Jan 2017 11:13am |
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| Bps Member Since: 14 Feb 2016 Location: Lancashire Posts: 784
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Do you know that both of the batteries are actually good? One of my old batteries appeared fully charged but as soon as you put any kind of drain on it it wouldn't turn the starter. If the vehicle is new to you I would bin the 2 batteries to start with and use one good known battery and start from there.
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2nd Jan 2017 11:53am |
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| xcentric Member Since: 17 Jan 2016 Location: Midlands Posts: 247 |
@Bps - that's my next plan. Reconditioned one last night, will connect that direct to the starter, and have the other one powering the ignition circuit - that may help.....
I was told the batteries were relatively new (year or so old) but will do a load dump test on them too..... |
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2nd Jan 2017 12:56pm |
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| xcentric Member Since: 17 Jan 2016 Location: Midlands Posts: 247 |
update in case anyone's following:
charge overnight showed battery at full charge this morning Disconnected charger, waited 2 mins, reconnected - showed low charge and took a while to come back to full charge. So am assuming it's the battery. Too cold here to try this one on the vehicle, so spent the afternoon finding out what battery would fit, and gone for a 1000CCA battery https://www.tayna.co.uk/C31-1000-Numax-Car-Battery-P8706.html which should give some oomph. |
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2nd Jan 2017 10:25pm |
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| xcentric Member Since: 17 Jan 2016 Location: Midlands Posts: 247 |
ah.
might have to change plans, yet again. Have a winch fitted, and want a second battery to power that, and will also be running a fridge and hotel load on longer off-road trips, so the second battery has to do those duties too. So I either have a simple system with two wired in parallel, and maybe a physical isolator switch, in which case my readings about which batteries to have throw up that it's generally better to have two batteries the same. Or I put in a split-charge system to isolate them and keep them topped up. But the whole point of this vehicle was its simplicity - though I know on the the t0max split charge system there is a specific wiring shortcut you can do if the unit packs up to make it either join or isolate the batteries, as you need..... |
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3rd Jan 2017 12:14am |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971 
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I think you'll probably struggle to fit two of those batteries in, it's possible but a tight fit with two 019s (the standard size) but I think a taller one like you've chosen would be extremely difficult.
Winch. The general consensus is that you should have it wired to your primary (starter) battery so it's as close in wiring terms as possible to the alternator. You won't be winching with your engine off, and if you are you've probably got more serious problems 
Split charge. Doesn't have to be complicated. I use a Victron Cyrix CT, the 230A version. That allows me to manually combine them if I need to jump start myself or use the winch. If you do have any issues with something like that then you can just take the the lead off one of the terminals on the relay and connect it on to the other one. It would be a ten minute job all in to bypass it. |
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3rd Jan 2017 2:05pm |
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| xcentric Member Since: 17 Jan 2016 Location: Midlands Posts: 247 |
thanks. With a split charge like you suggest (VSR) I guess I can use another smaller battery as the second one, as they are not directly wired up in parallel - having two different ones in parallel seems to be a problem as they have different discharge characteristics and so one is always pulling the other one lower - with the split charge then there's no problem about this.
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3rd Jan 2017 6:16pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7686 
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i use these https://www.tayna.co.uk/Numax-CXV27MF-P3665.html when fitting two batts in a def for winch/other use. has them in the 110 for a while too. trayback runs them (two sets of (4 batts total)) truck cab runs them in parallel. both have doen for 5-8 years each. good for the money. Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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3rd Jan 2017 7:34pm |
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| Cupboard Member Since: 21 Mar 2014 Location: Suffolk Posts: 2971
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Yes, you can put pretty much anything in. It's good to match chemistry, and you're right that non-matched batteries aren't ideal but it's not the end of the world. |
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3rd Jan 2017 10:11pm |
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| xcentric Member Since: 17 Jan 2016 Location: Midlands Posts: 247 |
ho-bloody-ra.
It now starts. Turns out the earth to the chassis was fine, but the earth to the engine was very corroded. Dremel and sandpaper and it now goes sweet as a nut. So I didn't need a new starter motor or battery
Just got large parts of the engine to put back together again (well, exhaust, filter box, washer bottle, etc.). Still, I now know my way around it all a lot better  |
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8th Jan 2017 1:39pm |
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