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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 
Where does this cable go?

Quick question, chaps...

Does this cable only go to the starter? Admittedly, the car hasn't gone to sleep but a clampmeter shows steady 500 mA flowing through it.

0.5 A x 150 Hr
= 75 Ah
= Discharged battery
= Meeting a nice chap from the RAC!


Post #594497 Fri Feb 07 2020 11:32am
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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 

Same after an hour of 'sleep'. 6.5 A current draw immediately after starting engine, then back to 400 mA after 40 s. Solenoid or alternator?

Post #594506 Fri Feb 07 2020 1:38pm
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Andy K



Member Since: 18 Sep 2015
Location: GL
Posts: 4753

England 2005 Range Rover Sport TDV6 HSE Rimini Red

Alternator I would think.

Need to disconnect and isolate the cable to prove.

Check no large suppressors fitted under there

Post #594511 Fri Feb 07 2020 4:21pm
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OvalAutos



Member Since: 02 Jan 2019
Location: Cradley Heath
Posts: 130

United Kingdom 

This cable goes to the starter and alternator. If you're getting a current without the engine running, then the alternator is going to ground. More investigation required...

With the engine off, try disconnecting the alternator control plug and see if it is still drawing a current on the main cable. If it is, then it's time to change it before it fails and takes out the battery too. Joe

Post #594534 Sat Feb 08 2020 8:36am
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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 

Thanks.

Definitely needs some prodding around with. The alternator is new, replaced after a couple of batteries faded away. One for someone with a ramp...

Cheers,

Hugh

Post #594587 Sun Feb 09 2020 1:56pm
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HughN



Member Since: 10 Sep 2017
Location: Near Llanybydder
Posts: 651

Wales 

The [recently changed] alternator was back-feeding. "OEM spec" parts from Euro Car Parts aren't! Not the first to be replaced in the last ten days at the same garage. Confused

Post #595067 Mon Feb 17 2020 1:26pm
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