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| Puppy90 |
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Gday ive got a bf xr6 and its being real tempremental about starting sometimes it will sometimes it wont, im pretty sure its the alternator because it wil start if i put a fully charged battery but once i turn it off it wont start again but then it might start if i leave it for a bit. Could it be a fault wire or something of the like?? its only done 69000k and i dont think it should be fouling up. Has anyone else had this problem?? Any suggestions?
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| TIAMO |
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Check if ur alternator is charging then
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| lee lee le bonk |
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I'd say it's more likely the battery which is at fault. Batteries tend to fail more in the colder weather. Hence it may start once the weather has warmed up a bit. It doesn't take much temperature difference to make alot the difference.
_________________ Fords Rule. OK. |
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| Puppy90 |
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the battery is a brand spanka tho
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| tony.martin11 |
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i was told that if you go and start the car, wait about 30 minutes, thenpull the positive or negative terminal off the battery and see if the car still runs.
if it does, your alternator it fine, start looking somewhere else. if the car dies as soon as you disconnect one of the terminals, then it is your alternator that is dead. i cant guarantee that it will work as i have not tried it myself.
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| TROYMAN |
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thats not a good idea...
removing the battery terminal while the engine is running can cause a voltage surge and stuff the ecu,bcm ect.. in older non efi cars this can be ok... |
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| tony.martin11 |
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TROYMAN wrote: thats not a good idea... removing the battery terminal while the engine is running can cause a voltage surge and stuff the ecu,bcm ect.. in older non efi cars this can be ok... ok, cheers for that  ... now i know why not very many people do that....will keep in mind not to tell anyone to do that
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| el'power |
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best way to check your alternator mate is get a multimeter put in on your battery while its running and turn on your air/c full on and high beams it should be showing over 12v around 12.5-14v and then if you think battery get a hidrometer and check the cells or get an auto spark to load test it a battery can drop a cell and you cant tell until you get it open
Another thing mate people don't relise is that if you battery drops to about 35% charge or below the alternator won't be able to charge it back to 100% until you bang it on a battery charger
_________________ Sex is grand, sex is golden, you will never get ladys driving a Holden. Driving with yourself you'll soon become bored be a real man get yourself a Ford Last edited by el'power on Thu Sep 09, 2010 2:05 am, edited 1 time in total. |
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| john0974 |
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best way to check it quick is start ur car and pull the positive off to ur battery if it dies it ur alternator if it dont keep searching mate
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| alfy |
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el'power wrote: best way to check your alternator mate is get a multimeter put in on your battery while its running and turn on your air/c full on and high beams it should be showing over 12v around 12.5-14v and then if you think battery get a hidrometer and chevk the cells or get an auto spark to load test it a battery can drop a cell and you cant tell until you get it open depending on the battery though, you might not be able to open it to test with a hydrometer.
_________________ 2021 V6 Manual Amarok - 245kw/750nm - many goodies |
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| 93EB |
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Age: 47 Posts: 2485 Joined: 6th Oct 2005 Ride: 93EB Fairmont / BA Falcon XR6T Location: Western Sydney |
john0974 wrote: best way to check it quick is start ur car and pull the positive off to ur battery if it dies it ur alternator if it dont keep searching mate Did you not read what Troyman just said.
_________________ 93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU. |
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| TROYMAN |
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hasnt anyone heard of a multimeter ffs, check the voltage... then you will find your answer..
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| 93EB |
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Age: 47 Posts: 2485 Joined: 6th Oct 2005 Ride: 93EB Fairmont / BA Falcon XR6T Location: Western Sydney |
What EL power said is the best way to check the Alternator.
_________________ 93 EB II Fairmon8 with 17' EL GT's / Clear indicators / H.I.Ds / Sports exhaust / Lowered 2' / K&N / XR6 ECU. |
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| Johnson stroker |
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Would not be unheard of that a new battery is a dud. They do tend to sit around n the shelf for a long time.
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| lee lee le bonk |
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Those are definitely the symptoms. I wouldn't of thought a BF alternator would have failed already. The car cant be that old. Take it to a mechanics shop. They should be able to load test the battery and tell you if it's any good.
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