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tipo1000

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Everything posted by tipo1000

  1. I got it fixed - the voltage regulator was bad. When I described the problem (charging for a while and then not) to car electrician he said that it sounds like a voltage regulator problem. With that I got new VR from Bosch (old part was F 00M 145 225, new is F 00M 145 350), paid 68 euros. The next step would have been to replace the alternator itself. I was able to replace VR with instructions I found from this forum. THE MOST HELPFUL INSTRUCTION WAS TO TURN ALTERNATOR LITTLE BIT CLOCKWISE TO GET IT OUT. Thanks to everybody!
  2. Thanks for all the replies! Still I have the same question that how can I narrow down where the problem is (VR, alternator, somewhere else)? Is there some more tests I can run? As I describe in my first post, it is charging for a minute or so and then goes discharging. I don't think this points to any faulty connections. I don't have too much faith on "Autozone" and similar, anyway they try to sell parts.
  3. 2001 Boxster non-S USA, shipped to Finland one month ago and started to experience this problem. I found similar posts here in the group and mostly alternator, voltage regulator, ignition switch or bad battery was blamed. I noticed the problem when couldn't start the car anymore even though I was just driving it. I thought the battery is dead and went to get new, tested battery. The car started happily with the new battery, but after a while same problem. I charged the battery and ran some tests: 1) Battery connected, ignition on, car not running: battery voltage 13.0V 2) Start the car > battery voltage jumps to ~14.5V for a few seconds 3) Car running on idle battery voltage starts to drop steadily and after a minute or two it is 12.35V 4) Revving engine doesn't change battery voltage at all 5) Battery seems to stay at this voltage (~12.35V) at least for few minutes until I turned engine off 6) I repeated above three times with exactly same results Everything turned off the idle current consumption is 30mA. Ignition turned on the current consumption is 2.8A. Obviously car is not charging since the voltage is around 12.35V. But it seems to be charging for a while when engine is started. How can I narrow down the problem? I don't want to change alternator and/or voltage regulator and still experience the same problem. Any help greatly appreciated!! Timo
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