alternator

  1. iboughtatahoe23

    Need some advice on which direction to go

    2014 Tahoe 177k miles. So the last few days, it’s been getting pretty cold and I noticed my truck kinda bogs down like it’s gonna stall for a split second when first starting it and than rpm go back up. I did a battery and alternator test with my OBD reader and it passed on battery but...
  2. E

    All lights are flickering and voltage is bouncing around

    Hey all! I recently replaced my battery and my alternator and now my voltage gauge is bouncing around and all lights (headlights and interior lights) are flickering while driving and while at idle. I replaced my battery and alternator as my battery recently died and it was overdue so I figured...
  3. Denali Z

    2008 Yukon pulley noise

    High pitched whining from the front belt area. Had alternator tested, test came back good. I am planning on replacing the idler/tensioner pulleys but curious if I can replace just the pulley on the alternator? Every part store in my area does not sell one and have to buy the full alternator. Any...
  4. 0

    Do I need to upgrade my Alternator for new subs+amp?

    I’ve got a 2007 Chevy tahoe Ls package and I’m not sure how many amps my stock alternator has but I’m pretty sure its 145amp. I currently have a single 10” skar audio subwoofer running on a 800w Rms skar amp but im wondering what steps I would need to take to upgrade to 2 12” Subs with a 2000w...
  5. B

    Battery problems after knock sensor replacement

    2003 tahoe 4.8, So I'm not a big car guy and this is probably the biggest repair I have taken on. Got the knock sensors in and actually snapped a stud putting it back together. Torque wrench only went to 10ftlbs. Anyways, I welded a bolt to it and backed it out and continued on. Snapped the pcv...
  6. MalcDogg

    Dual Alternator wiring 07 Tahoe

    So I purchased the dual alternator bracket and second alternator 4 pin got everything installed but the second alternator is on putting out 11-12 volts and it’s not keeping my second battery charged Can someone help me out?
  7. T

    New alternator, flickering lights

    Ok so i have a 2003 yukon xl 1500 denali backstory time. Sunday i had to go to the store so I remote started my truck and when I got in it I seen battery not charging message on the dashing the battery light so I did a short test drive and it started charging again. So I kept going I went to...
  8. Tahoe97

    Alternator charging but making lots of noise

    My alternator on my 97 Tahoe 5.7l is almost 20 years old with 180,000 miles on it. While it continues to charge, it is getting noisy which I am attributing to age and wear and tear. When the original was replaced under warranty in 2000 with only 41,000 miles on it, the GM dealer's paperwork...
  9. TURNz

    Strange electrical/ power issue, clock resetting

    Yesterday when I left work, I started my 2001 Tahoe and the Factory head unit had reset. The clock said 1:00 and the CD player had lost it's spot. I thought maybe something drained the battery enough to reset it, but it still started ok. This morning, I left for work and the clock was ok...

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