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Home > Help Needed / General Tech Chat > altenator gettin hot

jamesfawcett

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3341 Posts
Member #: 218
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Bingley, West Yorkshire

done my full wiring loom again, think ive got it right though everything works, but even with ignition off but battery connected, the altenator gets hot! any ideas what causes this?

Previous Engine: 1040cc Morespeed engine, 1275 turbo head T2 Turbo Mirage Manifolds Megajolt
Previous engine: STD metro turbo, megajolt
Drives: 399bananahp (flywheel) Honda Civic Vtec b18c4 T28 Turbo 1968 Mini

Megajolt maps to download: http://www.jamesfawcett.co.uk/cms/index.ph...&gid=3&Itemid=3


Gibbo

244 Posts
Member #: 34
Senior Member

Sounds like the diodes in the alternator have blown, and the battery is now being discharged through the alternators windings.


jamesfawcett

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3341 Posts
Member #: 218
Post Whore

Bingley, West Yorkshire

ok, will change altenator tomorow then!

Previous Engine: 1040cc Morespeed engine, 1275 turbo head T2 Turbo Mirage Manifolds Megajolt
Previous engine: STD metro turbo, megajolt
Drives: 399bananahp (flywheel) Honda Civic Vtec b18c4 T28 Turbo 1968 Mini

Megajolt maps to download: http://www.jamesfawcett.co.uk/cms/index.ph...&gid=3&Itemid=3


jamesfawcett

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3341 Posts
Member #: 218
Post Whore

Bingley, West Yorkshire

its not coz i painted it red then?

Previous Engine: 1040cc Morespeed engine, 1275 turbo head T2 Turbo Mirage Manifolds Megajolt
Previous engine: STD metro turbo, megajolt
Drives: 399bananahp (flywheel) Honda Civic Vtec b18c4 T28 Turbo 1968 Mini

Megajolt maps to download: http://www.jamesfawcett.co.uk/cms/index.ph...&gid=3&Itemid=3


Arno

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583 Posts
Member #: 233
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Beugen, Netherlands

Yes, that's what it is. should have painted it yellow or something.
LOL *laughing*



jamesfawcett

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3341 Posts
Member #: 218
Post Whore

Bingley, West Yorkshire

i changed it for an old one that works... but it still gets hot ...and the engine isent even running yet.

could it be my wireing?

Previous Engine: 1040cc Morespeed engine, 1275 turbo head T2 Turbo Mirage Manifolds Megajolt
Previous engine: STD metro turbo, megajolt
Drives: 399bananahp (flywheel) Honda Civic Vtec b18c4 T28 Turbo 1968 Mini

Megajolt maps to download: http://www.jamesfawcett.co.uk/cms/index.ph...&gid=3&Itemid=3


Arno

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583 Posts
Member #: 233
Post Whore

Beugen, Netherlands

is your + and - not been switched?, check your wiring, sounds like a short circuit somewhere.


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