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Topic: Alternator ? ? (Read 379 times) |
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Tons_of_fun
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Mmmm...Xena !
Posts: 978
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Alternator ? ?
« on: Feb 28th, 2010, 10:40am » |
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Hi all. I,ve been going through the project car this weekend & have got a fair bit sorted, but still have a couple of things to sort. One of which is , i have the battery charge light permanently illuminated on the dash. General opinion is that the 'Diode pack' is at fault ( alternator is charging at 14.2 volts )  . Trouble is im a little unsure as to what tha diode pack is  . Am i correct in thinking it's the small electrical block which sits on the back of the alternator ? ?. Any suggestions would be appreciated as to what you think the fault might be, but as i have a spare alternator i was going to try this first. Thanks in advance... Craig 
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Scorpio_Mike
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Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2354
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Re: Alternator ? ?
« Reply #1 on: Feb 28th, 2010, 4:28pm » |
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Rectifier / diode pack is normally in the rear of the alternator.
I can remember buying an 'Intermotor' brand replacement many years ago for one of my Mk2 Granada's for about £3 - £4 and it was a 2-minute job to change it.
Don't know if you can buy the bits for anything modern 
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Sierra XR4i's are great...especially when fitted with 4WD
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martin_rowe
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I love YaBB 1G - SP1!
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Re: Alternator ? ?
« Reply #2 on: Mar 3rd, 2010, 9:14am » |
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If its charging at 14.2v then its unlikly to be the diode pack (rectifier), try voltage regulator, from memory thats where the light earths out.
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Tons_of_fun
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Mmmm...Xena !
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Re: Alternator ? ?
« Reply #3 on: Mar 3rd, 2010, 2:03pm » |
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Thanks for the advice fellas. I spoke to the previous owner yesterday who had the alternator replaced with a recon, hoping to cure the charge light fault ( which it hasnt ), so i think you might be onto something there Martin  . Dont suppose you could tell me where the voltage regulator is within the engine bay could you 
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Nunnspoet
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Re: Alternator ? ?
« Reply #4 on: Mar 3rd, 2010, 6:02pm » |
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I had/still have the not charging light on on the dash display. Because I was worried about the Bty. going flat I had the Altinator checked out by a really good Auto Electricans. They said that the Altinator was working just fine but that there was a "something " in it that was just not connecting properley with the result that the dash light would come on. He said that all was working fine just that if the Alt. did fail I would not immediatley know about it. Well, considerating how fussy the Engines on Scorpios are regarding starting and flicking needles etc. I did not see any point in proceeding down the expensive road of repair/replacement so I left happy to know my Alt was/is performing as it should. I think that episode was about a year ago and the light has been faulty for about 3 years previous. I hope this helps Craig.
Mike
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tlundkvi
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Ex. Scorpio 2.9 24V -95
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Re: Alternator ? ?
« Reply #5 on: Mar 3rd, 2010, 6:26pm » |
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Has the regulator pack been ruled out? I would assume worn coals would cause on off behaviour.
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Tons_of_fun
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Mmmm...Xena !
Posts: 978
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Re: Alternator ? ?
« Reply #6 on: Mar 3rd, 2010, 9:04pm » |
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Thanks again for the advice fellas Matt is coming over this weekend so round 2 of the 'Project car' will commence The glowing light was present with the previous owner, so he had a new ( reconditioned ) alternator fitted. I havent ruled out the regulator as yet, just trying to gather some info to reduce 'head scratching' time this weekend. Will keep you posted
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