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Home > Help Needed / General Tech Chat > Bizzare Alternator Problem

b12

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826 Posts
Member #: 247
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Kent/Surrey Borders

22nd May, 2004 at 07:50:01pm

Chaps

ever seen this one b4 .....

With the ignition on ; and engine not running ... my ORANGE charging light is OFF

When I start my new turbo mini ; and the engine IS running the ORAANGE charging light illuminates

SO I guess its not charging !!

Have 12V down at the alternator with ignition on ( brown.yellow wire )

but am totally confused as I tried another alternator as well ...

I rekion a earth problem ... Any ideas fellow turbo mini boys

OH yeah I am now one of those !!

Steve

TurboLessTosser

turbodave16v
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10980 Posts
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***16***

SouthPark, Colorado

22nd May, 2004 at 07:56:00pm

Was your mini always negative earth?
Are you Actully getting charge from the Alternator? ie 13+volts...

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b12

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826 Posts
Member #: 247
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Kent/Surrey Borders

22nd May, 2004 at 08:05:44pm

hey TD
yes always neg earth

I didnt have a meter with me today; But I will test it tomorrow !
Cheers mate

TurboLessTosser

Arno

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583 Posts
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Beugen, Netherlands

22nd May, 2004 at 10:37:14pm

One wire from the ignition light should go to 12v via ignition switch, the other wire goes to the alternator.
It lights when the engine is not running making earth through the windings, as soon as the engine runs the alt makes 12v and therefore the light receives 12v from both sides so the light shall go out.
check this and you prob will find the answer there

billydude

291 Posts
Member #: 48
Senior Member

Leicester

22nd May, 2004 at 11:30:15pm

I thought the orange light was the oil pressure light *wink*

and you have the metro turbo oil pressure switch in which is the oposite of the mini one as in when pressure is achived the light comes on instead of going out *laughing*

b12

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Kent/Surrey Borders

23rd May, 2004 at 08:32:33pm

billydude

I think u are right

i folowed the wires and did some tests with a meter

the orange light does go down to the oil warning light
and the red down to the alternator !!! via a brown/yellow wire

So assuming that I am wrong about orange being charge indicator and red being oil and you are right !!!
Red being charge
orange being oil

then I dont have a problem !!!

ANyone follow my message ???

With the ignition on only the red illuminates
start the car and the red goes out ( CHARGING ??)
and the orange comes on (cos the metro sender is telling me I have oil pressure )

Anyone ???

steve

TurboLessTosser

AlexF2003

5795 Posts
Member #: 80
AFRacing LTD

Newbury, Berks

23rd May, 2004 at 09:48:36pm

sounds reasonable!

I just use my oil pressure gauge... if then engine pops I have a spare or two hehehe

alex

AlexF

billydude

291 Posts
Member #: 48
Senior Member

Leicester

23rd May, 2004 at 10:26:56pm

yup thats right *smiley*
pop a mini sender in and the light will be normal ie off when oil pressure is acheived *smiley*

iain
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Sold the turbo and seeing what the C20XE can do!

Near Lincoln

24th May, 2004 at 09:13:01am

Still go with a gauge though if you can, gives a much earlier warning *smiley*

Gibbo

244 Posts
Member #: 34
Senior Member

24th May, 2004 at 09:25:54am

If you use the metro turbo relay, connected as shown in the FAQ section, then the oil light works correctly.

But, you should also be fitting an inertia switch to the fuel pump and ignition. This is not shown on the fuel pump diagram.

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