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Leading reported evidence
Check 3 fuses while at the store
Performed · outcome unconfirmed
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Leading evidence: 'Check 3 fuses while at the store' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'good reason' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check 3 fuses while at the store' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed · Original poster
The guy who installed didn't know why, I checked the relevant fuses with him, they all looked fine.
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Performed · outcome unconfirmed · Original poster
Disconnected the lead for about 5 min, reconnected and still nothing.
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Performed · outcome unconfirmed · Original poster
So, I go to Auto Zone today at lunch and have a new battery installed (Duralast AGM H6).
Install didn't know why, i checked the relevant fuses
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Performed · outcome unconfirmed · Original poster
The guy who installed didn't know why, I checked the relevant fuses with him, they all looked fine.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion · Original poster
It's been very cold in Wisconsin recently, the 996 has been slow to start, so I decide to do preventative maintenance, and replace my battery before it leaves me stranded somewhere.
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25 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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It's been very cold in Wisconsin recently, the 996 has been slow to start, so I decide to do preventative maintenance, and replace my battery before it leaves me stranded somewhere. So, I go to Auto Zone today at lunch and have a new battery installed (Duralast AGM H6). Car starts fine, but gauge cluster is dead! Headlights, directionals, radio, HVAC all work, but nothing in the gauges. The guy who installed didn't know why, I checked the relevant fuses with him, they all looked fine. He said to take it in and if it was something he did they will cover it. I'm really not looking forward to having to battle with an Auto Zone manager about this. He did use a power source at the OBDII port which is something I've never done. In general, he seemed careful, looked like he knew what he was doing, but no way I believe it's coincidence that my cluster died randomly. I'll take it to the dealer tonight, will see what they say the problem/cause is. Stay tuned. Really frustrating that I try and do things right, rarely ever let anyone else touch the 911, and this happens.
I've heard of this happening before. It will either come back to life on it's own within a few key cycles, or you may need to disconnect the battery for a minute or two and try again.
Your first mistake was taking it to Autozone. Second is letting someone replace your battery, something pretty trivial that you could've done. If you do say anything to them and there are $$ involved, they are gonna say there is no proof that hooking up a battery would cause that. But yeah try recycling the power and see what happens.
Why is auto zone a bad place to buy a battery? I don't see the point in paying for a dealer battery. If figured since they offer free install, why not? It saves me the troubles of going back to dispose of my old battery.
Check your battery connection to see if there might me a smaller, secondary wire at the cable connection on the Positive terminal. If there is, it may the source of continuous 12V power when the car isn't running, to support the clock, radio presets, alarm, etc. It is a possibility that wire may have been damaged during the battery installation.
I keyed on again after work, still nothing. Disconnected the lead for about 5 min, reconnected and still nothing. There is only 1 wire for each terminal post. Sometimes electrical problems are as easy to fix as a restart, but doesn't look like that's the case this time. I also noticed the mirror didn't tilt when in reverse, and it seems only the high beams work, not the low. It's at the dealer now. I can tell already it will be fun to battle Auto Zone about this. Almost as fun as battling with my medical insurance which isn't paying for my routine yearly preventative ophthalmologist visit.
I wonder if the AutoZone dude initially reversed the polarity when installing the new battery. Given how the terminals are configured, this would take a special kind of stupid, but...
Anyway, unless the battery has something other than 12 volts in it, the battery isn't to blame.
I never made any references to buying at the dealer but there are many other non dealer shops that carry better brands like Interstate and such. Problem with Autozone batteries is a crap shoot as their QC is poor. You might luck out with a trouble free one or you might get a lemon that could leave you stranded. Now all of a sudden, the price savings doesn't really seem worth it in wasted time and towing charges.
I along with many others have been let down with Autozone batteries. But stupid me, I was willing to give it a benefit of the doubt not once but 3 times with similiar results. YYMV depending on your environment(ie: cold regions and such) and luck of the draw. All I know is they lost me as a customer awhile ago when it comes to batteries.
My battery had been cranking less than optimal for a while. After the cold snap in Houston last week it died as well. After researching on RL, I too went to Autozone and got a Platinum Duralast. Brought my old core along to save $15.
Hooked it up and all worked well. However, I didn't hook it up in right order (+) then (-), nor did I reset the DME. So later that night, disconnected and went through the correct process. I didn't seem to have any problems but I didn't want to find out later that I missed a step. Also, had to reset window height, change from KM/H to MPH, clock, and radio. Starts good now.
The battery that failed was an Interstate, BTW. Right at 3 YO.
The three Duralast I've had went at 2 months, 13 months, 26 months on the 5yr battery. They could not revive(recharge) it. Warranty did cover it but not the lost time or towing charges.
3yo is avg in my experience with German cars in particular as they seem to have more gadgets that drain the battery.
The way I understood it is they probably jumped the jumper around the fusebox which is by OBD port to gain access to the frunk. If they indeed used the OBD port itself in any way to replace a battery, something is definitely wrong here.
I'm guessing the thing they plugged into the car was a device that provides enough power to everything to keep from resetting the radio and ECU when the battery is disconnected. Usually they plug into the cigarette lighter though.
Exactly, the idea is to never totally lose 12v power during the swap. My battery worked, didn't need a jump, this was preventative maintenance. Something went awry with what they plugged into the OBDII port. It blew a fuse and the radio and seat memory etc. needed to be reset.
That is both ironic AND moronic considering Autozone themselves sells the battery keeper version that plugs into the cig lighter. It would make way more sense and would've been a lot less risky to plug into cig lighter than obd2 port. You could use this as your argument. I haven't seen anyone do it through obd port and there's probably a good reason for it.
Btw, did you check ALL the fuses? Had something happen before where I ended up finding a non related fuse blown which somehow affected the circuit that I was originally looking for. Just a thought.
One of the pins of the OBDII port is always hot and fused. One possibility is they blew that fuse because the load (i.e., lights and all nonsleeping electronics) was too high.
I think you're right.
I only checked 3 fuses while at the store. These were the ones I thought were the most likely culprits. The dealer did find a blown fuse, not sure which one it was, could have been the OBDII one. Naturally, they charged 1 hour labor. I will go back to the store on Monday to see what the manager says. My service bill will be pretty good evidence. I didn't want to poke around too much myself leaving the window open for the store to blame me in case it was something more serious like needing a new cluster.
Good for you!
Your dealer work order should mention which fuse they found blown: B10, 15Amp, by any chance?
Just curious as to which one it would have been!
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