battery drain

  1. C

    New thread - Electrical issues

    Hey again y'all. I chased a drain in the following thread but it has returned. At this point, I have no power at driver or passenger's door except that I can move the driver's mirror as expected. The speedo and tach are the only gauges that work. Stereo is always active, as long as the battery...
  2. J

    Bose factory amp - battery drain

    I bought a used 2003 Yukon XL Denali. The amp fuse was removed by the previous owner. I installed a new one and everything worked. I try to start the car after a week and the battery was dead. With a charged battery, I checked the mV readings on every fuse under the hood and found a 1.7 mV draw...
  3. D

    Troubleshooting parasitic drain after battery is connected.

    So I've been troubleshooting a parasitic drain. If the truck sits for too long the battery drains. The instrument panel cluster was already replaced by the previous owner. I am in the process of doing the troubleshooting flow in this video. When I measure inline with the battery, the current...
  4. Shatcher0428

    battery drain 04 suburban

    04 burb 4x4 z71, having a battery drain issue. Put a brand new battery on it last year a duralast gold and have not had any issues until past few weeks. It has been sitting more due to such cheap gas prices, but was still cranking just fine. Only thing i did recently was cut my cats off, it...
  5. D

    Could a broken chassis-to-hood ground strap cause my battery to drain and various CEL codes?

    Hi All - appreciate your thoughts on this. 2003 GMC Yukon 5.3L 2wd with 175k miles. I've been driving these 00-06 Yukons for 22 years. Had a 2000 that I put 400k miles on, and a 2005 that I put 300k on, and I love these 00-06 model years so I bought this '03 used a year ago from the original...
  6. D

    Instrument gauge cluster repair -- overnight parasitic battery drain

    Looking for advice and recommendations. I've been trying to track down the source of a parasitic battery drain on my 2003 Yukon SLT 2wd 5.3L with about 180k miles. I'm the second owner, had it for about a year. Always garage kept (per the prior owner). BACKGROUND: A year ago, I put in a new...
  7. Jadalexm

    Weird electrical problems

    I posted a thread before about this but I’ve eliminated a bunch of possibilities so I’m trying again. I’ve got a drain on my battery that will kill it in about 12 hours. My gauges intermittently lose power. My security and battery messages are always on. Seat belt and airbag lights turn on and...
  8. A

    Strange issue - Tahoe dies overnight but battery and alternator are good

    My girlfriends 2009 Tahoe has been having this issue for the past 3 days. When we first noticed it we had just taken it to wash and clean out and then driving home the radio kept randomly switching between the radio and the auxiliary input. The auxiliary input hasn't worked in years. And then...
  9. K

    New 16 Yukon Denali owner..Issues

    Hi all. I just recently bought a 2016 Yukon Denali. Drove great at the dealer. But owning it for almost 2 weeks now and am having major issues with battery drain. And always while car is off and sits for 12 hours or more. I’ve noticed weird things like the HVAC fan motor blowing intermittently...
  10. Dad28

    Battery drain, knock sensors and constant efans= PCM corrosion

    New guy here. 2005 Yukon SLT, 5.3 gas, RWD. 241,000 miles I wanted to thank everyone on this forum for the great sharing of information and share with you mine in hopes of it helping someone else. My wife went out to go to the store the other morning and her battery was completely dead. Would...
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