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is my alternator dead? 

 

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 Post subject: is my alternator dead?
Posted: Fri Mar 08, 2013 9:44 pm 
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Age: 23

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Ride: 1987 telstar/2004 BA XR6 5spd

Location: Newcastle
NSW, Australia

hey guys, my father inlaws BF wagon has been having some electrical issues, i got my multimeter out and put it across the battery with the engine running, only getting about 13.23 volts, i put the high beams on and the volts didnt move at all, got my parter to rev the car to around 1500-2000rpm with the high beams on and off and there was only a small change in the reading, never went near 14V...is the alternator likely to have shat it's self?
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 Post subject: Re: is my alternator dead?
Posted: Fri Mar 08, 2013 10:02 pm 
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Age: 34

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Ride: ef falcon futura

Power: 154 rwkw

Location: Koo Wee Rup
VIC, Australia

what is battery voltage with the key off?

 

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 Post subject: Re: is my alternator dead?
Posted: Fri Mar 08, 2013 10:06 pm 
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Age: 23

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Ride: 1987 telstar/2004 BA XR6 5spd

Location: Newcastle
NSW, Australia

12.5 ish...
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 Post subject: Re: is my alternator dead?
Posted: Fri Mar 08, 2013 10:06 pm 
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Age: 23

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Ride: 1987 telstar/2004 BA XR6 5spd

Location: Newcastle
NSW, Australia

it's a fairly new one
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 Post subject: Re: is my alternator dead?
Posted: Fri Mar 08, 2013 10:10 pm 
Getting Side Ways
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Age: 34

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Gallery: 6 images

Ride: ef falcon futura

Power: 154 rwkw

Location: Koo Wee Rup
VIC, Australia

then the alternator is charging. it may not be charging enough but it is charging so it isnt dead. could be the reg on its way out.

 

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ef futura, pacemakers, 2.5inch catback, k&n panel filter and 3.45 lsd. extractors/cat, ticky head, custom cam grind, t5. now onto cosmetics.

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 Post subject: Re: is my alternator dead?
Posted: Fri Mar 08, 2013 10:12 pm 
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Age: 23

Posts: 201

Joined: 24th Aug 2012

Ride: 1987 telstar/2004 BA XR6 5spd

Location: Newcastle
NSW, Australia

is the voltage regulator easy to change? i dont know much about alternators
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 Post subject: Re: is my alternator dead?
Posted: Fri Mar 08, 2013 10:13 pm 
Getting Side Ways
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Age: 34

Posts: 1110

Joined: 27th Dec 2011

Gallery: 6 images

Ride: ef falcon futura

Power: 154 rwkw

Location: Koo Wee Rup
VIC, Australia

depends if its internal or external, i dont know with the bf's.

 

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ef futura, pacemakers, 2.5inch catback, k&n panel filter and 3.45 lsd. extractors/cat, ticky head, custom cam grind, t5. now onto cosmetics.

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 Post subject: Re: is my alternator dead?
Posted: Fri Mar 08, 2013 10:19 pm 
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Age: 23

Posts: 201

Joined: 24th Aug 2012

Ride: 1987 telstar/2004 BA XR6 5spd

Location: Newcastle
NSW, Australia

thanks for your help:) from what ic just read it's internal...looks like it needs a new alternator from the wreckers
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 Post subject: Re: is my alternator dead?
Posted: Fri Mar 08, 2013 10:22 pm 
Getting Side Ways
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Age: 34

Posts: 1110

Joined: 27th Dec 2011

Gallery: 6 images

Ride: ef falcon futura

Power: 154 rwkw

Location: Koo Wee Rup
VIC, Australia

thats probably your best bet. but just double check all your connections are tight and clean first

 

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ef futura, pacemakers, 2.5inch catback, k&n panel filter and 3.45 lsd. extractors/cat, ticky head, custom cam grind, t5. now onto cosmetics.

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 Post subject: Re: is my alternator dead?
Posted: Sat Mar 09, 2013 2:48 am 
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Ride: BA Falcon XT

Location: Smithfield
NSW, Australia

Being a BF I would be suggesting you buy a NEW one rather than a SECOND HAND unit. Take it to an Auto electrician and find out for sure, he should be also able to supply a new Reg for yo. If you DO buy a NEW or USED Alternator, make sure it is BF and NOT BA, they are different.
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