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1983 - 2012 Ranger & B-Series All Ford Ranger and Mazda B-Series models

2000 Ranger 2.5l - Battery Charge

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Old Jun 24, 2015 | 05:40 AM
  #1  
Caldwell F150's Avatar
Caldwell F150
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Mountain Pass
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From: Western, MD
2000 Ranger 2.5l - Battery Charge

Recently driving up and down road to work about a half hour in to drive the battery light will flicker especially if under a load (AC on, lights on)etc... Assuming it is the alternator/voltage regulator getting ready to FAIL. Plan on replacing alternator this weekend? Any thoughts ideas or recommendations to do or check something other than replace the alternator?
 
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Old Jun 24, 2015 | 08:20 AM
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Tedster9
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It may be worth it to rebuild the OEM alternator. Not a whole lot to it, and better than playing "roulette" from the parts jobbers.

http://alternatorstarterrebuildkits.com/
 
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Old Jun 24, 2015 | 12:16 PM
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Caldwell F150
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When you say rebuild are you referring to the voltage regulator? If so where do you recommend I get the OEM voltage regulator?
 
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Old Jun 24, 2015 | 10:41 PM
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Well, let me back up a bit.

Depending on the year, there are different Alternators of course. Some (voltage regulator) are integral to the alternator itself and are replaced as part of the routine service of rebuilding. You want the whole "kit" even if this is the problem, because the other parts are worn out too. But the case itself doesn't wear out, and the windings should be OK.

What I mean by OEM is the case and windings and such. Keep the alternator itself when practical. What gets replaced are bearings and diodes and other wear bits depending on year and type. I think my 2009 has a 3G, the 2000 model year may not. But the link provided will have the right kit, and they have YouTube videos to walk through it. May need some propane to do a little brazing/soldering.
 
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Old Jun 25, 2015 | 05:15 AM
  #5  
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Caldwell F150
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Selected link and it appears I have 3G also. Noticed a discrepancy though - it states 2.5L V6, I have the 2.5 L but it is a 2.5L 4
 
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Old Jun 25, 2015 | 02:44 PM
  #6  
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greenpus
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Originally Posted by Caldwell F150
Recently driving up and down road to work about a half hour in to drive the battery light will flicker especially if under a load (AC on, lights on)etc... Assuming it is the alternator/voltage regulator getting ready to FAIL. Plan on replacing alternator this weekend? Any thoughts ideas or recommendations to do or check something other than replace the alternator?
when my alternator went out on my 2000 2.5, I bought the 200 amp and it's been working like a champ...
Mr. Alternator - high output, powder coating, chrome starters & high torque starters.
 
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