2 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHYes, Another 996 Starting issue
Leading reported evidence
Check battery and it was just above 12v
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
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1
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Leading evidence: 'Check battery and it was just above 12v' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check battery and it was just above 12v' (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
I popped the hood and disconnected the battery for the night.
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.
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Suggestion
Sounds like a battery cable problem, check voltage right at the alternator, then the starter, then the rear post, then the battery.
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Suggestion · Original poster
I took it out, soaked up the water that was in there and went to town cleaning the circuit board and connectors.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
2 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Pelican Parts: 1 discussions
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Generation: 20261026T165820Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
First off, thanks to everyone who has posted before about their similar problems. I've been reading a lot about what the issue could be and have done a bunch of troubleshooting prior to posting this. I've got a 2000 C4 Cab.
Now, on to the issue. A few weeks ago, I noticed the 996 wouldn't start right away when I turned the key. It took two, maybe three times to turn before the starter would catch and fire up the engine. It was never more than three times. I got back in from a road trip and parked it on a Sunday night. Monday morning, turned the key...nothing. Of course I had a day off and the weather was perfect for a round of golf, which was where I was headed. Turned the key a few times with no luck. So, I jumped in my Vette and continued with my day, only to find that my clutch gave out about a mile down the road. Great day.
Back to the issue. Two days after the day off, the alarm goes off at 2 in the morning. I turned it off, reset it and it goes off over and over again. I unlocked the doors, opened it up and the car goes crazy!! Alarm is going off the whole time. I popped the hood and disconnected the battery for the night.
Next day, I reconnect the battery. Interior lights stay on the whole time and the alarm won't set, nor will the doors lock. Disconnect the battery and loop the terminals for about 20 minutes. Reconnect and the driver's window starts going up and down about an inch or so, over and over again. Disconnected the battery again. Did some reading online and ordered an ignition switch. Checked the clutch switch and it's fine. Checked the battery and it was just above 12V. Got the ignition in and changed it out, still has the same problem.
Tried to jump the battery in case the voltage was too low with no luck. Scratched my head for a few minutes, said a few choice words out loud and tried it again...BOOM, it starts. Let it run for about 10 minutes, turned it off, tried to start it up again...nothing.
Let it sit for a few days, tried it again. After about 10 turns, it starts. Turned it off again and nothing. I took the driver's seat out and discovered the alarm/ignition module has had significant water issues prior to me owning the car as well as a buttload of water in the plastic tray where the module was. I took it out, soaked up the water that was in there and went to town cleaning the circuit board and connectors. I sanded down the ground wire connectors and post, put it all back together and tried it again. That seems to have solved all of the issues except for the power getting to the starter to get things going. The locks and the alarm work, just no juice to engage the starter.
Any other ideas before I shell out a few bucks for a new module and have to deal with all of the reprogramming issues? That is going to be a pain in the butt as the closest Porsche dealer is about 90 miles away. I'm going to get a new battery on Monday to see if that is the issue. Maybe I should have done that first, but I didn't.
Thanks for any help you all can be. My apologies for the long read, I really had to vent a bit while I was looking for help.
Sounds like a battery cable problem, check voltage right at the alternator, then the starter, then the rear post, then the battery. ..... If voltage drops more than 1 volt down the chain then that's the problem.
Also of the ground strap is unhooked the starter won't always work and it won't charge. ....
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