 | Home > Tdi > No power from the alternator. |
 
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554  |
Witch engine type TDI 200 , 300 TD5, TDIC 2.4 , 2.2
 for the right wiring diagram |
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17th Apr 2019 6:22am |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324 
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From his vehicle icon, it looks like a 2.4. Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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17th Apr 2019 6:46am |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
but posted in Tdi
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17th Apr 2019 6:57am |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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Good point
 Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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17th Apr 2019 7:00am |
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| PAT303 Member Since: 25 Feb 2013 Location: Australia Posts: 125  
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Sorry, 300 Tdi Defender, I also have a 2.4 TDCi. I think I found the problem, wiggling the exciter/power wires on the alternator checking voltage it works and then doesn't, looks like a poor connection.
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18th Apr 2019 4:13am |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
good news cheap fix
 Last edited by dorsetsmith on 9th May 2019 11:15am. Edited 1 time in total |
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18th Apr 2019 5:24am |
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| PAT303 Member Since: 25 Feb 2013 Location: Australia Posts: 125
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I can't really complain, I bought it brand new 21 years ago and it's survived the worst Oz has thrown at it, and starts first crack of the key and uses no oil after 523,000km's.
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18th Apr 2019 10:52am |
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| PAT303 Member Since: 25 Feb 2013 Location: Australia Posts: 125
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What I will be asking soon is which turbo option is the best, VNT or new cassette.
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18th Apr 2019 10:54am |
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| PAT303 Member Since: 25 Feb 2013 Location: Australia Posts: 125
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Well just a heads up, no joy so far, I've even replaced the alternator and still get no voltage output. I don't understand actually because the brand new alternator has zero output even when I run 12V directly to the exciter plug. It's got me stuffed.
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9th May 2019 10:41am |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
Had alternator with the brushes jammed up in the holder stopping DC out put
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9th May 2019 11:22am |
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| benniferj Member Since: 20 Oct 2016 Location: Basingstoke Posts: 361 
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During an engine swap on a 200tdi, Had built up a 200tdi Def block with all new ancillaries. Put it in, wired up and no alt charge. Put in a new loom, still no charge.Put in the old alt and worked fine. Could be a combination of a damaged loom in the first place, and a dead brand new Alt (possible, mine was at least a half decent Bearmach dead on arrival)
I would look at finding the pin out for your engine loom and run a temp cable from the multi pin and see what happens. If the alt won't charge with a direct feed put your old 'known good' alt on for the moment. |
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10th May 2019 8:12am |
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| PAT303 Member Since: 25 Feb 2013 Location: Australia Posts: 125
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Well had some success today, I disconnected everything and just ran the original wire from the alternator to the battery and hey presto 14.2 Volts, I'd say my second battery, wiring or isolater is the culprit.
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11th May 2019 5:00am |
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