Parasitic battery drain

Tiny
FUSE*1945
  • MEMBER
  • 2001 MITSUBISHI ECLIPSE
  • 2.4L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 101,000 MILES
Hi: I recently had my battery replaced and it died three months later. I was told that this could be the result of a battery drain because the voltage was extremely low, and yet, the battery subsequently charged okay. I did notice that when I cranked the ignition, there was a motor sound coming from the CD player but there was no CD in the slot.

At least a year before this battery replacement, my left turn signal switch stopped working and it would not turn the signal off without me physically moving the arm back to neutral. The volume control knob stopped working as well.

Now, after this battery replacement, the car door lock switch will not lock the door. I have to use the key. (My keyless entry device has been dead for years.) The left headlight is dim. The dome light doesn't come on when it should. When the driver side door is ajar, the chime sounds on and off, randomly, even when the key is out of the ignition but if I leave my headlights on, the chime doesn't sound. Everything is miscuing.

I have a cracked dash which now causes vibration on the passenger side. The rubber trim around the door window leaks into the cab so when it rains, there's more water inside the cab then outside. This causes condensation on the instrument panel.

The technicians could not find the drain source because it's intermittent.

I think that part of the problem might be a bad column switch or relay or corroded something but I can't take everything apart.

At this point, I need to know where I can take this car to have a thorough electrical diagnostic test performed. From everything that I've read, this doesn't sound like anything that I can perform. Any information or recommendation that you may provide would be greatly appreciated.

Also, the starter was replaced in 2013 and I was assured that the alternator is working. I do notice that these problems arise after a heavy rain and when I park my car on an upward incline. When I turn the key and apply pressure to the brake, it locks and I can't depress it. The car is really old and porous but this is a new kind of bad.

Thanks for all your help.
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Friday, December 18th, 2015 AT 7:42 PM

5 Replies

Tiny
HMAC300
  • EXPERT
It will have to be scanned for codes first to see if anything wrong with any of the modules. Then it will need to see if there is a drain on battery. Also check charging as it maybe the belt and tensioner are worn so belt slips when charging heavy. The headlight may be a bad ground which you can look at
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Saturday, December 19th, 2015 AT 6:59 AM
Tiny
FUSE*1945
  • MEMBER
Hi: Thanks for replying so quickly. When you say belt, are you referring to the drive belt or serpentine belt? I've been hearing a squealing noise and I know that it's a belt but it goes away. I hear it, occasionally, when the AC is activated or after a rain, when I crank the engine.

Would you say that any mechanic shop could scan for the codes and do the necessary fix? Is it laborious? I ask this, because no one is noticing these things enough to report it to me as the problem. So I assume that the belts are fine and that the alternator is fine. To my knowledge, no one is scanning for codes. Does there have to be an obvious drain for this scan to be performed? Do I need to be really specific in what I want checked? Thanks for your advice.
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Sunday, December 20th, 2015 AT 11:25 AM
Tiny
HMAC300
  • EXPERT
Scanning won't help on a belt problem i'm talking about the serpentine belt just replace it as well as tensioner then if you still have a problem check for parasitic drain
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Sunday, December 20th, 2015 AT 11:31 AM
Tiny
FUSE*1945
  • MEMBER
Hi: The mechanic didn't see a problem with the belt but I may get a second opinion. If I take this car to a general service shop, like a chain, they can eventually do the scans and fixes, right? I'd have them look at the belts first, now that I know.
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Sunday, December 20th, 2015 AT 11:37 AM
Tiny
FUSE*1945
  • MEMBER
Thanks HMAC300. I'm just going to go ahead with this now that I know what might be the problem and what procedures need to be done. Thanks again for all your help. I really appreciate it.
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Sunday, December 20th, 2015 AT 11:57 AM

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