Dead battery, again ... locating parasitic draw

[TXSUT]

Originally Posted by ree

If it's happening regularly for you, take it in.

Yep, took it in this morning. We'll see.

Thanks,

Pete

[HUMMERcustoms.com/TAZ]

Sorry to get in here late. Most likely they will tell You a faulty front passenger seat adjustment switch. I do not understand why there has not been a recall on these. It seems if you have a passenger and they adjust seat the switch will be stuck in a closed position and draw current for 2 or 3 days and if not driven daily battery will be dead. I worked with my dealer on this trying different things to help them have an answer. They suspected it but, i played with it by wiggling the switch after shut down of engine and other things. I finally confirmed that it was seat switch they changed out and never had a problem a gain.

But, I do know others on this forum have found other things that caused problem. My dealer for 2 years now have found this to be the problem most of the time not always.

TAZ

[HUMMERcustoms.com/TAZ]

Sorry to get in here late. Most likely they will tell You a faulty front passenger seat adjustment switch. I do not understand why there has not been a recall on these. It seems if you have a passenger and they adjust seat the switch will be stuck in a closed position and draw current for 2 or 3 days and if not driven daily battery will be dead. I worked with my dealer on this trying different things to help them have an answer. They suspected it but, i played with it by wiggling the switch after shut down of engine and other things. I finally confirmed that it was seat switch they changed out and never had a problem a gain.

But, I do know others on this forum have found other things that caused problem. My dealer for 2 years now have found this to be the problem most of the time not always.

TAZ

[TXSUT]

Thanks Taz, I'll pass that along to them. They've charged the battery and keeping it overnight to see if the problem repeats. I guess they have to rule out a weak off-the-shelf battery first.

[mdoyle]

Someone else already mentioned the same problem I'm having- sometimes when I turn off the ignition and take out the key, the shift position indicator will still be lit and a red battery light is displayed.

It's not a big deal to cycle the key again and it goes off, but if anyone else drives it, there is a risk they'll kill the battery if they don't notice it.

It's out of warranty and I mentioned it to the dealer while in for other service, he said it needs adjustment

I recall seeing a TSB about ignition switches, but I'll be damned if I can find it.

[TXSUT]

When I took mine in a few weeks ago, they supposedly couldn't find any problems. They put a charger on the new Optima battery overnight, thinking that maybe the battery was just weak from sitting on the shelf. Whatever. It took about two weeks, but the battery is drained again. When I called this morning to schedule an appointment, the service manager is already pointing a finger at my non-dealer-installed DVD headrests. Anything to keep it from being claimed under warranty, I guess. Taking it on Wednesday.

[TXSUT]

Okay, just got a call from my service guy saying that they replaced the (brand new) Optima Yellow Top, and that my problem was that that battery did not have enough cold cranking amps for my truck. Does that make any sense?

[PARAGON]

Originally Posted by TXSUT

Okay, just got a call from my service guy saying that they replaced the (brand new) Optima Yellow Top, and that my problem was that that battery did not have enough cold cranking amps for my truck. Does that make any sense?

Nope, been running a Yellow Top with not enough cold cranking amps for 3 years with no problem. I haven't read the rest of this thread yet. But sounds like a copout for something.

[PARAGON]

Originally Posted by TXSUT

Okay, just got a call from my service guy saying that they replaced the (brand new) Optima Yellow Top, and that my problem was that that battery did not have enough cold cranking amps for my truck. Does that make any sense?

Take that "brand new" optima to an optima battery dealer and have them test it.

Cold Cranking Amps really have nothing to do with it, in your situation. CCA is the number of amps a battery can provide at 0 degrees for 30 seconds and not drop below 7.2 volts.