2004 Ford Focus Logo
Posted on Sep 14, 2009
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Red battery warning light came on, have replaced battery. light still on and no power when going up hills.

  • Anonymous May 11, 2010

    Is the alternator charging?

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1 Answer

Efstathios Govas

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  • Expert 285 Answers
  • Posted on Sep 15, 2009
Efstathios Govas
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Joined: Sep 05, 2009
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This light means there is a problem with your charging system not your battery,the alternator is the culprit here,hope this helps

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Loss of power on acceleration & hills no warning lights showing

Have the codes read anyway. Turn the key on, do you see a check engine light? We work on auction cars also. To many times I see that the light is not on.
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The engine has no power

  • what does NO power mean.
  • no electrical power at all (clean battery terminals , charge it)
  • no dash lights? warnings all glow key on.
  • no cranking ?
  • or engine is weak on hills.
  • we can not guess this.
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Why does the Engine Warning light come up but other warning lights like battery, oil pressure etc.don't show up in ignition mode & the car doesn't start?

Sounds like a wire was not re-installed under the hood. When the alternator or battery were replaced, there are several power wires under the hood that attach to the same power terminal. Look for a RED wire with a large round connector, that is just hanging out in the open air. You need to install it back onto the post that it came off of. good luck.
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Toyota Prius 2003 Warning light has a car with exclamation point in the middle of it plus a triangle with an exclamation point. Has no power when I accelerate.

My 2003 warning light frequently goes on after going down a long hill. The dealer has tested, and thinks that it is related to the traction battery being overcharged or overheated after a long hill. Doesn't seem to affect performance and the the problem clears up after turning the car on and off several times. If you have no power when you accellerate, it suggests that the electric motor has cut out some how, until the problem is cleared up. Would be interested in finding out what your solution was.
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Last night while driving down a hill i got a warning light that blook like a turtle

Your owners manual should have a description of the symbol.
It means the battery power is low and you only have engine power - so take it easy as long as the warning symbol is present.
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I replaced battery first,...... then alternator on 2005 Focus. altenator was a bear to replace,.....still have(red) battery warning light,....... Thinking wiring,..corrosion...or tension pully is...

the alternator is a doodle to change ,when you know how ?? was it a new recon unit or a secondhand scrapyard job---- check for power to teh large terminal the start engine and disconnect neg battery terminal if engine stops alternator fault ,if engine keep running but red light still on then its warning light control fault which is built into alternator so change alternator .
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THE ABS WARNING DASH LIGHT IS ON PLUS THE TC LIGHT AND THE LIGHT SHOWING MY FREELANDER UPLIFTED FROM THE BACK AND A CAUTION SIGN. WHAT DOES THIS MEAN? PLUS OCCASIONALLY WHEN I START THE CAR THE RED CAN...

replace brake peddleswitch first, if that dont cure, replace the throttle peddle switch, and if that dont worrk replace the reverse switch on gear box and the forward detector switch for the hill desent. as for the oil warning light it can only be one of three things , ie low oil, bad wiring or switch and last the worst of all oil pump failure.
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What is the icon's mean on the dash board, when climbing on a hill there's a red light on, but going down it turns off. it looks like there's is over heating or something, please help max'd 07

It depends on what warning light is on!
In any case, from your description and experience, it would be your engine 'Oil' warning light: it comes on when there is not enough lubrication (thus the overheating) flowing because of low oil pressure: immediately check your oil leveland top up as required) and make sure that change your oil and oil filter as soon as possible as it is a very damaging condition and the engine could seize.
Hope it helps: let me know hoe you go.
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