 Parasitic Battery Drain source found: Now what? |
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| moneysmarts |
 Apr 6 2011, 03:50 PM
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Member  Group: Members Posts: 164 Joined: 2-March 04 From: Central Massachusetts Member No.: 1,745 Region Association: None 
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Long-time- no-post!
Hi all. Just took the car out of storage from winter, looking forward to driving. My new battery keeps draining overnight. So I tapped in-line my multimeter and started pulling fuses and relays to locate the source. When I pulled the alternator wiring harness plug from the relay board, the volts/amps dropped to zero. Bingo! But now what do I do? (IMG:style_emoticons/default/confused24.gif) Do I have a bad alternator or can I diagnose further? Thanks for the help. I'd hate to have to struggle to replace that bad boy for nothing. Steve |
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Posts in this topic
moneysmarts Parasitic Battery Drain source found: Now what? Apr 6 2011, 03:50 PM
r_towle how far are you from Tyngsboro? Apr 6 2011, 03:53 PM
moneysmarts
how far are you from Tyngsboro?
I'm in Leom... Apr 6 2011, 03:54 PM messix diode in the alt is blown and is energizing the fi... Apr 6 2011, 03:54 PM Root_Werks Plug the alt harnes back in and the take the volt ... Apr 6 2011, 03:54 PM r_towle unplug just the alternator at the alternator.
It m... Apr 6 2011, 03:55 PM moneysmarts
unplug just the alternator at the alternator.
It ... Apr 6 2011, 03:59 PM r_towle not easily...but yes you can.
Chelmsford Auto Ele... Apr 6 2011, 04:01 PM moneysmarts [quote name='r_towle' date='Apr 6 2011... Apr 6 2011, 04:09 PM moneysmarts I just pulled out the voltage regulator from the r... Apr 6 2011, 04:07 PM r_towle well, that might seem easier, but it wont be in th... Apr 6 2011, 04:11 PM 76-914
well, that might seem easier, but it wont be in t... Apr 6 2011, 05:22 PM SLITS The alt harness unplugs from the relay board ........ Apr 6 2011, 05:24 PM moneysmarts
The alt harness unplugs from the relay board ....... Apr 6 2011, 05:35 PM moneysmarts Rather than pulling apart the sheet metal to get a... Apr 6 2011, 06:48 PM messix
Rather than pulling apart the sheet metal to get ... Apr 6 2011, 06:51 PM moneysmarts yes the diodes are blown and it needs to be rebuil... Apr 6 2011, 07:05 PM messix
yes the diodes are blown and it needs to be rebui... Apr 6 2011, 07:15 PM moneysmarts OK
Thanks much.
I'll have to pull it out tomor... Apr 6 2011, 07:20 PM Root_Werks Troy is my hero. :worship: Apr 6 2011, 08:59 PM Tom I would agree with Troy's assesment also, but ... Apr 7 2011, 12:58 PM r_towle in my recent experience with bosch rebuilt alterna... Apr 7 2011, 01:54 PM moneysmarts Rich:
I dropped the alt. off to Brian this morning... Apr 7 2011, 02:09 PM messix
Rich:
I dropped the alt. off to Brian this mornin... Apr 7 2011, 02:18 PM moneysmarts I have no idea Troy.
When the guy called me and sa... Apr 7 2011, 02:22 PM messix
I have no idea Troy.
When the guy called me and s... Apr 7 2011, 02:33 PM r_towle troy, these guys are very good.
This is all they d... Apr 7 2011, 02:28 PM messix
troy, these guys are very good.
This is all they ... Apr 7 2011, 02:34 PM r_towle OK, can someone post a diagram of that little wiri... Apr 7 2011, 02:33 PM moneysmarts Rich:
Just to refresh what I did...
When I pulled ... Apr 7 2011, 02:34 PM r_towle
Rich:
Just to refresh what I did...
When I pulled... Apr 7 2011, 02:41 PM messix
Rich:
Just to refresh what I did...
When I pulle... Apr 7 2011, 02:53 PM moneysmarts It looks ok, but I can replace it.
Any special gau... Apr 7 2011, 04:54 PM messix
It looks ok, but I can replace it.
Any special ga... Apr 7 2011, 05:29 PM moneysmarts how are you testing for draw? where are you doing ... Apr 7 2011, 06:51 PM SLITS Backup lights ... fuse 8 or 9? .... thru the main ... Apr 7 2011, 04:57 PM messix
Backup lights ... fuse 8 or 9? .... thru the main... Apr 7 2011, 05:30 PM SLITS The question was "Where oh where does the bac... Apr 7 2011, 05:34 PM messix so when you diconnect the wire from the alt to the... Apr 7 2011, 06:56 PM moneysmarts Yup.
Quirky.
I'll put it all back together tom... Apr 7 2011, 09:09 PM Tom I''l bet them cleaning it up cured your dr... Apr 8 2011, 08:50 AM TC 914-8 :popcorn:
I'm curious what it is
Keep us pos... Apr 8 2011, 10:58 PM moneysmarts
:popcorn:
I'm curious what it is
Keep us po... Apr 9 2011, 02:34 PM moneysmarts
:popcorn:
I'm curious what it is
Keep us p... Apr 11 2011, 08:34 AM  |
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