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ED Falcon Alternator/Battery light? 

 

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 Post subject: ED Falcon Alternator/Battery light?
Posted: Tue Jan 13, 2009 10:09 pm 
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Hi,

Just now, my battery light came on while driving back from McDonalds about 5 minute drive back home, just checked my alternator belt is ok, so what could it be?
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Posted: Wed Jan 14, 2009 10:38 am 
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did it do it this morning?

 

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Posted: Wed Jan 14, 2009 2:16 pm 
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ausedwagon wrote:
did it do it this morning?
well it came on afew minutes after afew minutes of driving this morning, what i've done afew hours later is i went to the carwash and high presure washed the alternator, as there was gunk all over it would cleaning it fix the problem?
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Posted: Wed Jan 14, 2009 2:27 pm 
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im not too sure honestly but it might make a diff. im hoping someone here will know a lil more about how it works.. i know what id dose but would dirt and grease stoop it working?

back on track tho... what sort of cluster do you have?

 

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eaton M112 supercharger, lowered a tad, extractors, 2.5" exhaust, T5 , custom SureCam supercharger cam, 3.45 lokka, 2 piece tailshaft, poyair bags in the back, TSS front Skirt, Sprint skirts, XR wagon spoiler.
soon to get: AU diff, upc 330mm brakes, Vapor LPG injection.

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 Post subject: Re: ED Falcon Alternator/Battery light?
Posted: Wed Jan 14, 2009 2:47 pm 
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dorian_delorean wrote:
Hi,

Just now, my battery light came on while driving back from McDonalds about 5 minute drive back home, just checked my alternator belt is ok, so what could it be?


What did you get from McDonalds?

 

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Posted: Wed Jan 14, 2009 2:55 pm 
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it could be the regulator has worn out on the alternator and isnt charging the battery. if you've never replaced it and had the car for a while i'd be checkin it. although i think u need to pull the alternator off to get to it..I've never done it on the a falcon..only on a commodore.

 

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Posted: Thu Jan 15, 2009 8:58 am 
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ausedwagon wrote:
im not too sure honestly but it might make a diff. im hoping someone here will know a lil more about how it works.. i know what id dose but would dirt and grease stoop it working?

back on track tho... what sort of cluster do you have?


the cluster i've got is the simple layout with fuel taco and temp guages
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Posted: Thu Jan 15, 2009 9:00 am 
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E4fairmontGHI4 wrote:
it could be the regulator has worn out on the alternator and isnt charging the battery. if you've never replaced it and had the car for a while i'd be checkin it. although i think u need to pull the alternator off to get to it..I've never done it on the a falcon..only on a commodore.


While I was at the shops I drop in to Kmart auto, the blokes checked it out, ended up being the alternator "overcharging" putting out 14.9 V said its too high.
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Posted: Fri Jan 16, 2009 7:39 pm 
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dorian_delorean wrote:
E4fairmontGHI4 wrote:
it could be the regulator has worn out on the alternator and isnt charging the battery. if you've never replaced it and had the car for a while i'd be checkin it. although i think u need to pull the alternator off to get to it..I've never done it on the a falcon..only on a commodore.


While I was at the shops I drop in to Kmart auto, the blokes checked it out, ended up being the alternator "overcharging" putting out 14.9 V said its too high.
Might be worth having a look to at your battery terminals also. There is a 'voltage sense' wire that goes from your battery to your alternator (I have an XG (read ED). Normally the wire end at your battery + terminal gets a bit corroded and can fool your alternator into charging more than is required.

 

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