Jump to content

Server Lease Renewal/Software Licenses

Our yearly server lease, software licenses, as well as hardware operating costs, ARE due Dec 6th, 2021. Our current donations have fallen far short of the funds we need to renew. Please remember the RennTech.org community is Member supported so please consider a donation to help...  THANK YOU!

Welcome to RennTech.org Community, Guest

There are many great features available to you once you register at RennTech.org
You are free to view posts here, but you must log in to reply to existing posts, or to start your own new topic. Like most online communities, there are costs involved to maintain a site like this - so we encourage our members to donate. All donations go to the costs operating and maintaining this site. We prefer that guests take part in our community and we offer a lot in return to those willing to join our corner of the Porsche world. This site is 99 percent member supported (less than 1 percent comes from advertising) - so please consider an annual donation to keep this site running.

Here are some of the features available - once you register at RennTech.org

  • View Classified Ads
  • DIY Tutorials
  • Porsche TSB Listings (limited)
  • VIN Decoder
  • Special Offers
  • OBD II P-Codes
  • Paint Codes
  • Registry
  • Videos System
  • View Reviews
  • and get rid of this welcome message

It takes just a few minutes to register, and it's FREE

Contributing Members also get these additional benefits:
(you become a Contributing Member by donating money to the operation of this site)

  • No ads - advertisements are removed
  • Access the Contributors Only Forum
  • Contributing Members Only Downloads
  • Send attachments with PMs
  • All image/file storage limits are substantially increased for all Contributing Members
  • Option Codes Lookup
  • VIN Option Lookups (limited)

AAAAArrrrrgghhh - still got battery discharge problems


nik

Recommended Posts

Dear All,

OK here comes the update on my 986 battery discharge problem.

A quick summary first, drive about 500 miles a week on pretty long trips so battery has plenty of chance to charge itself, if i don't drive it for 2 days the battery is flat.

1. I fully charged the battery and had it tested, the garage told me it had a cranking figure of 580 which was fine, he couldn't tell me if it was holding it's charge though.

2. Purchased a clamp meter and and clamped it over the + lead next to the battery

3. I set the dial to 200ACA (the lowest available)to check the reading and then start pulling fuses

4. The reading was 00.0

Can't pull the fuses because the reading is at 0, am I doing this right or could it be that the clamp meter range is too high and I need a meter that measures miliamps.

So i guess i have a couple of questions

Am I using the clamp meter in the correct way?

Should the battery guys be able to tell me if the battery is fully charged and secondly is it holding that charge?

Not happy, i've spent way tooooooooooo much time trying to sort this out, it's stopping me from refurbing my recently acquired sport design split rims that I picked up for £300 from fleabay

As usual thanks for everyones help so far.

Link to comment
Share on other sites

Dear All,

OK here comes the update on my 986 battery discharge problem.

A quick summary first, drive about 500 miles a week on pretty long trips so battery has plenty of chance to charge itself, if i don't drive it for 2 days the battery is flat.

1. I fully charged the battery and had it tested, the garage told me it had a cranking figure of 580 which was fine, he couldn't tell me if it was holding it's charge though.

2. Purchased a clamp meter and and clamped it over the + lead next to the battery

3. I set the dial to 200ACA (the lowest available)to check the reading and then start pulling fuses

4. The reading was 00.0

Can't pull the fuses because the reading is at 0, am I doing this right or could it be that the clamp meter range is too high and I need a meter that measures miliamps.

So i guess i have a couple of questions

Am I using the clamp meter in the correct way?

Should the battery guys be able to tell me if the battery is fully charged and secondly is it holding that charge?

Not happy, i've spent way tooooooooooo much time trying to sort this out, it's stopping me from refurbing my recently acquired sport design split rims that I picked up for £300 from fleabay

As usual thanks for everyones help so far.

Nik, you have the meter set to AC amps, select DC amps.

Measuring AC will produce 0 as there is no AC current

Glyn

Link to comment
Share on other sites

  • Moderators

Read this from Peter and Scott. Peter works at a local dealer.

http://www.pca.org/tech/tech_qa_question.a...9-284D52B42EDE}

http://www.pca.org/tech/tech_qa_question.a...7-84710F816889}

I'm not sparky, so Peter told me to test for draw like in the picture. In fact, I think I should have turned the dial to mA and not the larger 10A scale.

Before I hooked up the meter I closed the trunk latch with a screw driver in order to turn off the light.

post-4-1166273036_thumb.jpg

Link to comment
Share on other sites

3. I set the dial to 200ACA (the lowest available)to check the reading and then start pulling fuses

Am I using the clamp meter in the correct way?

Sorry, Bro, amp clamp only works for AC current. You need to hook the meter in series and set to DC amps, like I told you earlier. Clamp works by induction. AC induces current. DC does not.

Try disconnecting fully charged battery for a couple days to see if it holds a charge. Feel free to E-mail me if you want.

Good luck!

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.