1. ISO PCM Pin diagram alternator won’t engage

    2010 Dodge Ram Forum
    Hey guys! I’m in need of a pin out diagram for the PCM of my 2010 Ram 1500 Sport, 5.7L Hemi. Had a bad alternator, bench tested and then replaced. New one bench tested good. I have checked out all connections in regards to fuse box and fuseable link. I now need to check the control wires that...
  2. Inconsistant voltage reading

    For about the past 2 -3 weeks I have been having a problem with the electrical system in my 2004 Dodge Ram 1500. The voltage reading on the voltage gauge varies: Normal: needle straight up and down and center on the gauge, Low: needle off to the left toward "L" and finally None: needle rests on...
  3. 1999 5.2l Alternator Replacement...wires

    Hello everyone, this is my first post on here and I hope it's in the correct forum section. Anyways, I am replacing the alternator in my 1999 Dodge Ram 1500 5.2l (318) 2wd. I bought the truck used about a year ago and I haven't really needed to replace much. I replaced the plugs, wires, cap...
  4. 94 ram 1500 dual battery upgrade and alternator upgrade

    I want to add a second battery to my 94 and I want to upgrade the altenator any ideas on best course of action? What size alternator should I get? What kind of battery is recommended? Also I have the painless wiring system for dual battery setup already however not installed yet.
  5. Alternator making a loud whining noise!

    I just replaced the fan clutch on my 2006 Ram 1500, because it was making a lot of noise like it was stuck on. Well after replacing it, the noise was still there. I Pulled the fan off and started the truck and it was still making the noise. After looking around, it turns out the noise is coming...
  6. alternator trouble

    Ok...first..I'm almost computer illterate..2nd..a female who knows next to nothing about this truck...PLEASE HELP!!! It's my DF's 1500 ram a 2002. The Check gauge light comes on..He has replaced the alternator twice..when the light comes on,he hits the alternator and it goes back off and...
  7. Whirring Sound in 2010 RAM 1500, HEMI 5.7

    2010 Dodge Ram Forum
    I am getting a whirring sound when my truck is idling and when I accelerate. When I accelerate the sound increases in volume. I initially removed the serpentine belt and the sound completely disappears. I used a long handled screwdriver to help identify where it the noise was coming from and it...
  8. Alternator Not Charging

    I have a 2001 Ram 1500 and my alternator is not charging my battery. I had a bad alternator so I replaced it with a new one from Auto Zone. I thought everything was fine but about 5 minutes after driving it the battery charge level dropped to zero and the Check Gauge light came on. I thought...
  9. Diode testing and alternator removal.

    2011 Dodge Ram Forum
    1. Do you need to remove the alternator to do a diode test with a multimeter. Do you just need to remove connections? But ok to leave in place? 2. If you do need to remove the alternator is it difficult in a 2011 Ram? 5.7L Thanks... I'm getting increasing static in my am / fm radio...
  10. going from 75 to 90 amps

    LD RAM - General Discussion
    My '96 Dakota needs a new alternator. Every auto parts store in my area has 3 different kinds that pop up. 75, 90, and 120 amp. I believe that mine is 75 though nobody can verify that, and the 75 is a special order. My question is if I were to go from the 75 to the 90 could I potentially hurt my...
  11. Power issues

    5.7L V8 Specific Topics
    I have a 2003 1500 hemi. I've changed the alternator and battery, as I was told by a mechanic. But the battery gauge is still showing no power, and more than 15 minutes on the road proves a fatal mistake. I've had the battery and alternator tested, both good. I can't find any obvious ware or...
  12. howling noise in my hemi?

    5.7L V8 Specific Topics
    i just bought a 2006 hemi with 230,000km on it and when i go about a 1/4 throttle there is a whinning noise and a slight but steady viberation on the peddle. any thoughts on what this could be? im thinking maybe the alternator but all the power to lights and all is fine. thanks for any tips!
  13. Charging problems

    5.2L V8 Specific Topics
    I have a 1994 Ram 1500 5.2 automatic. My truck has been great, till a few months ago. It is having a charging problem at idle in gear. I have replaced the alternator, the battery, replaced the cable ends, replaced the alternator again, checked all the wires, checked the fuseable link, I cleared...
  14. 2001 dodge ram 1500 5.9 electrical problem!

    I need some help!!! on monday i drove my truck to work and all was well, when i got out of work my truck wouldnt start. When i hit the key the gages and everything would light up but as soon as i tried to turn it over everything would die. i ended up figuring out that it was a ground problem. i...
  15. Idling amps and max amps

    Hey, all. I am a noob and apologize if my Search failed to show an answer to my question, and this is one that has already been addressed. I have the 5.7L Hemi with stock 136A alternator and battery (I think 1000CCA, 650 CA). Does anyone know a ballpark estimate for idling amps? For max amp...
  16. fusible link??

    5.7L V8 Specific Topics
    i own a 2004 dodge ram 1500 with 5.7 hemi. i''m having charging problems, i've narrowed it down to a fusible link. question is does anyone know where this link is located??? or does anyone know where i can get i wiring diagram for this that may show the location of a fuseible link? if anyone can...
  17. HO Alt?

    Custom Modifications- Interior & Exterior Lighting
    hey guys, I just swaped out the bulbs in my hella lights from 100 watts to 130 watts. On the highway they seem fine but at idle my gauge almsot hits the "L" mark. Would a higher output alternator and the "big 3" help with this problem? If so where should I begin my search for the HO alternator?
  18. Voltage regulator?

    Hello. I have a 2005 Ram 1500 SLT HEMI. It wouldn't start this morning(wouldn't turn over, solenoid just chattered) It was very cold here -35C, -45C with windchill. The battery was frozen. I put a new battery in and it started and i let it run for about 20min. I put a voltmeter on the battery...
  19. 3-state alternator

    LD RAM - General Discussion
    what is everyone's opinions on this alternator?
  20. Warning!!

    Performance Mods - Engine - 5.9 Liter V8
    i finally figured out what made my abs and brake light come on and my speedo not work....why my computer needs reflashed and why my stereo keeps shorting out. Warning to everyone. go to advanced or some place like that that does free alternator testing. My alternator was putting out 17-18V not...