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alternator

  1. D

    Electrical? Transmission? Help!

    I'm hoping someone can help me. I have an 03 ex 4.0 I've had for a little over a year. It sat for 2 years because of a gas leak they couldn't or didn't want to fix. We put a battery on it and drove it home with no problem except gas leak and door ajar light on. And a new fuel pump fixed the gas...
  2. E

    Belt Size

    So i am going to be putting a 270a high output alternator in my 2019 2.3 explorer. Does anyone know the deminsions of the serpentine belt? I need to go .5"-1" smaller than stock belt. Thanks in advance!
  3. B

    Solved Alternator issues.

    When the Check Charging System light came on on my 2005 Explorer XLT, I changed the alternator. That did not correct it. I changed the battery. No change. I finally figured that maybe I got a bad alternator (from Advance Auto) so I got another one from a Ford Dealer. It was rebuilt but they...
  4. S

    Checking Charging System

    Hi, all. First of all I just wanted to say thank you in advance for anybody who can come up with any answers or has any advice whatsoever. Also, I apologize for the novel and if there are spelling errors because I used talk-to-text. TL;DR... checking charging system error started happening...
  5. T

    Avoiding self-destruction with a power inverter...

    I'm wondering if purchasing a 1000 W power inverter (ie. Amazon/Harbor Freight Tools/etc.) and running tools--like a cut-off wheel (7 A)--would damage my stock alternator/battery/electronics? I also have a portable carpet/upholstery cleaner (6 A) that would be nice to be able to use. Has anyone...
  6. A

    SOS No Crank No Start

    I am brand new to this forum, thank you for accepting me to this forum. This is my first post! I have a 2008 Ford Explorer XLT, 4.0 V6, 4WD. It has 130,000 miles. Here is the list of electrical symptoms I have had recently - starting a month ago it took a few more cranks than usual to start up...
  7. BrooklynBay

    Has anybody modified their charging system?

    My stock 7750 3G alternator in my 1995 van is rated at 95 amps which is low compared to more modern vehicles which use 130 to 160 amp alternators. I've looked into 350 to 370 amp alternators but they cost almost $500 which is a huge investment in a 25 year old vehicle. The reason why I'm doing...
  8. L

    Alternator

    I’ve got a 2016 limited with the 3.5, around 68,000 miles. Without any codes or warnings, It wouldn’t start this morning, and after getting it fired up from a booster got it to a shop. They said the alternator was bad and want $900+ to fix. Not happening. I’ve searched the forum for more...
  9. J

    Camshaft Position Sensor/Electrical Problems

    As stated in a previous post, I have multiple codes on my 2003 Ford Explorer Centennial Edition, 4.6L. After testing my alternator I figured most of them were due to it being weak. After removing countless alternators at the junkyard and testing them outside of the vehicle, I finally found one...
  10. U

    '04 Exp--3 stalls while driving, now "Check Charging System"

    So my 2004 XLT Explorer just recently started misbehaving. 3 times in the last week, the engine simply quite while driving at low speed (25-30mph), but never at higher speeds. Engine would restart immediately, no problem. No other issues or symptoms were observed...until yesterday. Now, while...
  11. A

    Possible Voltage Regulator or Battery Failure

    I have a 2000 Ford Explorer Limited I'm working on and I'm trying to figure out whether I need to get a new battery, a new alternator, or just a new voltage regulator. The battery before starting reads a decent 12 volts, but reads 14.6 or so once running, which seems a bit to high. Occasionally...
  12. L

    Voltage Issue

    I have a 00 Explorer Eddie Bauer which i just bought a new alternator for because i had thought the voltage regulator in the old one had gone bad and wasn't charging the battery. After putting in the new alternator the car ran fine for a few days, today i was driving home and all of a sudden my...
  13. N

    Volt gauge fluctuating, flickering lights

    I just want to say thanks in advance for any advice or help you guys can share . I've gotten a lot of great info from this site. But the issues I'm having are confusing the hell out of me. I'm new to trying to fix my truck so I don't know tons about how everything works but I'm learning...
  14. C

    2005 Alternator Mystery at Exciter Wire

    The problem: At operating temp. exciter wire will not start charging alternator when starting vehicle The facts: Alternator works fine at cold start. When ALT is functioning it puts out a normal 14.3 volts, Battery and ALT are...
  15. D

    2001 Ford Explorer XLT Alternator replacement

    So idk to much about vehicles and their mechanics but i bought a Powermaster Alternator - Alternator - Ford 3G - Large Frame Transverse Mounting - 200 Amp - 130 Idle - 6 Groove Pulley - OE Only - Natural for my 2001 Ford Explorer XLT 4.0L SOHC. I bought it from partsgeek.com because it was cheap...
  16. J

    98 Sport 4wd battery discharging, codes, etc...

    I inherited this Explorer from my late father. The check engine light was on all the time, I asked him about it to which he said "it's nothing, runs fine, don't worry about it". He drove it for years that way. When I started driving it the check engine light made me crazy so I started looking...
  17. R

    2009 Battery Light, Check Engine, throwing 10+ codes mostly wrong

    My son was driving, battery and check engine lights all came on, lost power. He limped it to my mechanic who replaced the alternator. Then runs fine for a short time then same thing happens. He checks all the codes, the system are all ok. Resets, then drives fine, for a bit, then starts all...
  18. J

    Speedometer is crazy

    Alright so my 1992 explorer isn't super moded but it is running a little bit bigger tires 30x9.5 so I thought I'd put it here. But on my way to school I hit a bad pot hole at about 60mph or so and for a split second the rear abs light came on it kicked the radio out for a sec and now my...
  19. M

    Quit running and won't start

    Hi Guys... Wife was driving the 2001 Sport Trac and it started to lose power, then stopped running. I checked it out and when I try and start it, it produces a rythmic clicking sound. Checked the battery and terminals and it appears the car is getting sufficient power... never did this before...
  20. P

    Need serious help with battery

    So I have a 2000 explorer. The 4 liter v6. And recently the alternator/battery duo has been a train wreck. About a month ago I replaced the alternator because the old one finally died. As soon as I put it in that's when the problems started. When I get into 2000+ rpm range the volt gauge shoots...
  21. P

    charging system fiasco

    This truck is driving me out of my mind. Ive got a new alternator new battery, fusible links are good fuses are good, replaced terminals, im getting no charge and my battery light is on. Ive tested EVERYTHING. When i put the new battery in it was running at 14 or so volts, checked at alt yellow...
  22. C

    1991 Explorer XLT Voltage Ripple, Oscillation at speed or idle

    Hi everybody; thank you for taking time to read this. My family is the original owner of said loved Explorer (1991 XLT, 4.0L RWD), 320,000 miles strong, but nobody can seem to pinpoint the cause of a very annoying oscillation. Very familiar behavior for old cars, I remember seeing old Accords...
  23. K

    Alternator smoking

    I just picked up a 2002 explorer XLT, and have been fixing some of the issues it has such as the 4x4 (needed a shift module), a couple windows, blend door, today I decided to charge the air conditioning system with Freon. The compressor finally decided to kick on and I was getting cold air...
  24. B

    2016 Explorer battery light on / not charging? / alternator bad already?

    Hi all, new to the forums and semi-new to Ford. Traded in our previous family vehicle on a 2016 Ford Explorer Limited 4WD. It was a former Enterprise Rental (wasn't thrilled about that, but the offer was too good to pass up). As we approached 36k miles, I desperately wanted to have the...
  25. N

    '98 5.0 V8 Alternator Replacement Gone Bad

    Hello! So, I was on the way to the gym and I noticed a little red battery icon glowing under my RPM reader. Knowing this meant my battery was dying, I sped up to above 2000 RPM and the icon went away. I got to a place where I couldn't go that fast and my battery started dying again. I knew...
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