Go Back   MY350Z.COM Forums > 350Z Tech Area > Maintenance & Repair
Sign in using an external account
Register Forgot Password?
Search


Welcome to my350z.com!
Welcome to my350z.com.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!


Reply
 
 
 
 
Thread Tools Search this Thread
Old 01-15-2009, 04:56 AM   #1
JAM3Z
Phenom
 
JAM3Z's Avatar
 
Trader Score: (17)
Join Date: Aug 2005
Location: Greenville SC
Posts: 8,729
Points: 6,220, Level: 51
Points: 6,220, Level: 51 Points: 6,220, Level: 51 Points: 6,220, Level: 51
Today's Activity: 0.4%
Today's Activity: 0.4% Today's Activity: 0.4% Today's Activity: 0.4%
Send a message via AIM to JAM3Z
Default Why the hell won't my car hold a charge?!

Ok, so my TT Z is my second car, and I only drive like once or twice a week. But, EVERYTIME I go to start it, the battery is either completely or almost dead. This means that I have to jump the car if I want to use it. Considering this car is my play toy, thats a lot of extra work just to enjoy a little driving.

So, my question is this: What is draining the battery on my car so badly?
JAM3Z is offline   Reply With Quote
Old 01-15-2009, 05:05 AM   #2
Fleet Z
Registered User
 
Fleet Z's Avatar
 
Trader Score: (24)
Join Date: Sep 2006
Location: Rhode Island
Posts: 195
Points: 2,449, Level: 29
Points: 2,449, Level: 29 Points: 2,449, Level: 29 Points: 2,449, Level: 29
Today's Activity: 0.8%
Today's Activity: 0.8% Today's Activity: 0.8% Today's Activity: 0.8%
Default

More than likely you have something draining the battery. Get a voltmeter and disconnect the negative cable on the battery. Connect the voltmeter leads between the negative battery post and the cable. If you get a voltage reading, something is staying on in the car.

If you do get a voltage reading, then it's a "search and destroy" mission. Start pulling fuses until the voltage reading disappears. Once you have located the circuit, that's where the "search and destroy" comes in.

Good Luck

PS..Another possibility is that you have a dead cell in the battery. Bring the car to Auto Zone or Advanced and have the battery loaded tested.
__________________
Fleet Z

Last edited by Fleet Z; 01-15-2009 at 05:07 AM..
Fleet Z is offline   Reply With Quote
Old 01-15-2009, 06:43 AM   #3
Paul350Z
Living in 350Z
 
Paul350Z's Avatar
 
Trader Score: (1)
Join Date: Mar 2005
Location: Riverside CA
Posts: 4,725
Default

Quote:
Originally Posted by Fleet Z View Post
More than likely you have something draining the battery. Get a voltmeter and disconnect the negative cable on the battery. Connect the voltmeter leads between the negative battery post and the cable. If you get a voltage reading, something is staying on in the car.
You'll want that Volt, Ohm, Milliamp meter in the current setting rather than the voltage mode. Modern cars will always draw some amount of current to keep things like the ECU and radio's memory fresh and the remote door locks working. A typical load ought to be a couple of watts - 100 to 200 milliamps. You're likely drawing 8-12 watts from your description - which will show up as 750 to 1000 milliamps of current flow. Any more than that and your battery would be dying faster.

When I faced this I found that the fancy cap for my after market stereo was putting on light shows in the sub-woofer compartment all night long. The spiders in there were partying like it was 1999.



I'm in the same boat as you but run my Z a couple of times a month so I have a trickle charger installed. I run the cable up from the battery and out near the windshield washer on the passenger's side. I pull into the garage, connect the trickle charger and then put the car covers on.

Hasn't failed since. Good luck.
__________________
Super Black 2005 35th Anniversary
Paul350Z is offline   Reply With Quote
Old 01-15-2009, 06:57 AM   #4
PerfZ
Registered User
 
PerfZ's Avatar
 
Trader Score: (3)
Join Date: Sep 2003
Location: hilliard ohio
Posts: 2,261
Points: 4,478, Level: 42
Points: 4,478, Level: 42 Points: 4,478, Level: 42 Points: 4,478, Level: 42
Today's Activity: 2.6%
Today's Activity: 2.6% Today's Activity: 2.6% Today's Activity: 2.6%
Default

Paul, wouldn't disconnecting the battery cable take care of any draw, other than shorts? Just curious. And LMAO on the spiders. OP - how old is the battery? As far as shorts, check mods such as audio first - that is generally where the problems occur, on aftermarket stuff.
PerfZ is offline   Reply With Quote
Old 01-15-2009, 07:03 AM   #5
Dr. Venture
Registered User
 
Dr. Venture's Avatar
 
Trader Score: (19)
Join Date: Apr 2008
Location: Dirty Jersey
Posts: 2,683
ilidrventureili
Points: 4,860, Level: 44
Points: 4,860, Level: 44 Points: 4,860, Level: 44 Points: 4,860, Level: 44
Today's Activity: 0.4%
Today's Activity: 0.4% Today's Activity: 0.4% Today's Activity: 0.4%
Default

It is possible that the battery just does not hold charge any more, So grab a new one and perhaps buy a trickle charger for the storage time.
__________________
03 Performance running strong w/ 56k on it...
Dr. Venture is offline   Reply With Quote
Old 01-15-2009, 07:08 AM   #6
ZU L8R
Viper Sellout
 
ZU L8R's Avatar
 
Trader Score: (84)
Join Date: Aug 2003
Location: Orlando, Fl
Posts: 6,893
Points: 7,661, Level: 58
Points: 7,661, Level: 58 Points: 7,661, Level: 58 Points: 7,661, Level: 58
Today's Activity: 0%
Today's Activity: 0% Today's Activity: 0% Today's Activity: 0%
Send a message via AIM to ZU L8R
Default

Have the battery checked out first. How old is it?
__________________
-Matt-
www.FlatOutMotorsports.us
99 Viper GTS Not Stock
My car is so cool it has speakers in the hood!
ZU L8R is offline   Reply With Quote
Old 01-15-2009, 07:14 AM   #7
WTX350Z
Registered User
 
WTX350Z's Avatar
 
Trader Score: (8)
Join Date: Jul 2007
Location: Midland, TX
Posts: 1,302
Default

most likely your battery is just going south. buy a new one. and as previously posted, if you rarely drive the car a battery tender would be a wise investment.
__________________
"Nothing says love like a handgun" - 05 Magnetic Blue Lotus Elise
WTX350Z is offline   Reply With Quote
Old 01-15-2009, 07:31 AM   #8
Paul350Z
Living in 350Z
 
Paul350Z's Avatar
 
Trader Score: (1)
Join Date: Mar 2005
Location: Riverside CA
Posts: 4,725
Default

Quote:
Originally Posted by PerfZ View Post
Paul, wouldn't disconnecting the battery cable take care of any draw, other than shorts? Just curious. And LMAO on the spiders. OP - how old is the battery? As far as shorts, check mods such as audio first - that is generally where the problems occur, on aftermarket stuff.
Yes but a short would show up rather quickly.

Pulling the negative cable from the battery and then connecting the VOM between the battery terminal and cable forces all power coming from the battery to flow also though the meter. When set to the current mode the meter will measure the current in amps/milliamps. SOP is to always start with the highest current scale and work your way downwards. Many VOMs have a third jack for the (+) cable to measure high current loads and normally it's labeled 10 AMPS or 20 AMPS, the negative test lead stays in it's normal jack while the positive lead is moved to the high current jack. With the car still having some juice after a week the load it's "that" high like leaving the headlights on ... but rather something smaller like leaving a dome light on (8-12 watts).
__________________
Super Black 2005 35th Anniversary
Paul350Z is offline   Reply With Quote
Old 01-15-2009, 07:39 AM   #9
HP 350Z
Registered User
 
HP 350Z's Avatar
 
Trader Score: (17)
Join Date: Mar 2007
Location: Clarksville,TN/Kissimmee,FL
Posts: 31
Points: 1,757, Level: 24
Points: 1,757, Level: 24 Points: 1,757, Level: 24 Points: 1,757, Level: 24
Today's Activity: 0%
Today's Activity: 0% Today's Activity: 0% Today's Activity: 0%
Send a message via MSN to HP 350Z
Default

I am having the same problem with my car right now. the only way to get the car going is by jumping the battery. i also tried putting another battery but the car did not want to turn on. even thoe it had power inside the car. it wont hold a charge and i only use it on the weekends.
__________________
03 Touring. JWT TT 400whp @ 8 psi Utec inside
HP 350Z is offline   Reply With Quote
Old 01-15-2009, 07:42 AM   #10
VO...
Administrator
 
VO...'s Avatar
 
Trader Score: (25)
Join Date: Jun 2005
Location: Down Under & Dirty
Posts: 39,122
Points: 31,220, Level: 100
Points: 31,220, Level: 100 Points: 31,220, Level: 100 Points: 31,220, Level: 100
Today's Activity: 99.8%
Today's Activity: 99.8% Today's Activity: 99.8% Today's Activity: 99.8%
Default

Quote:
Originally Posted by Paul350Z View Post
When I faced this I found that the fancy cap for my after market stereo was putting on light shows in the sub-woofer compartment all night long. The spiders in there were partying like it was 1999
__________________
Team Nextstage
Sponsored by Meguiar's, Imported Performance
www.teamnextstage.com
Team DNF n00bslayer & eater of children............................................................ ...............
VO... is offline   Reply With Quote
Old 01-15-2009, 07:44 AM   #11
VO...
Administrator
 
VO...'s Avatar
 
Trader Score: (25)
Join Date: Jun 2005
Location: Down Under & Dirty
Posts: 39,122
Points: 31,220, Level: 100
Points: 31,220, Level: 100 Points: 31,220, Level: 100 Points: 31,220, Level: 100
Today's Activity: 99.8%
Today's Activity: 99.8% Today's Activity: 99.8% Today's Activity: 99.8%
Default

Quote:
Originally Posted by Dr. Venture View Post
It is possible that the battery just does not hold charge any more
That's what I was thinking. Especially if the battery is old. I upgraded to an Optima Yellow Top a few years back. The car sits for 2 weeks at a time now, and it starts like a champ everytime...
__________________
Team Nextstage
Sponsored by Meguiar's, Imported Performance
www.teamnextstage.com
Team DNF n00bslayer & eater of children............................................................ ...............
VO... is offline   Reply With Quote
Old 01-15-2009, 07:53 AM   #12
JAM3Z
Phenom
 
JAM3Z's Avatar
 
Trader Score: (17)
Join Date: Aug 2005
Location: Greenville SC
Posts: 8,729
Points: 6,220, Level: 51
Points: 6,220, Level: 51 Points: 6,220, Level: 51 Points: 6,220, Level: 51
Today's Activity: 0.4%
Today's Activity: 0.4% Today's Activity: 0.4% Today's Activity: 0.4%
Send a message via AIM to JAM3Z
Default

Quote:
Originally Posted by ZU L8R View Post
Have the battery checked out first. How old is it?
Battery is like 3 months old.
JAM3Z is offline   Reply With Quote
Old 01-16-2009, 05:59 AM   #13
Dr. Venture
Registered User
 
Dr. Venture's Avatar
 
Trader Score: (19)
Join Date: Apr 2008
Location: Dirty Jersey
Posts: 2,683
ilidrventureili
Points: 4,860, Level: 44
Points: 4,860, Level: 44 Points: 4,860, Level: 44 Points: 4,860, Level: 44
Today's Activity: 0.4%
Today's Activity: 0.4% Today's Activity: 0.4% Today's Activity: 0.4%
Default

What kind of batt did you get. Here at the shop i sell interstate and i RARELY have any problems with selling them. But if i get a customer come in with a problem and then i check and see it's like an autozone duralast batt...that right there would be the problem.

Example tho i had this ladies bmw that i threw in a big mtp 93. Now i know the batt was sitting a while b4 i sold it, but her car started fine no problem and it showed cahrging well plus my machine said batt was good. 2 days i get a call that the car was dead and she needed a jump. I drove myself nuts checking everything out only due to when she drove here each time the damn batt would charge and hold just enough for it to say good when checking it. But over night was dead next morning. So i replaced it regardless and so far 3 weeks its good. I even called her to make sure. So it also depends on how the shelf life was on the new batt you bought.
__________________
03 Performance running strong w/ 56k on it...
Dr. Venture is offline   Reply With Quote
Old 01-16-2009, 06:36 AM   #14
ZU L8R
Viper Sellout
 
ZU L8R's Avatar
 
Trader Score: (84)
Join Date: Aug 2003
Location: Orlando, Fl
Posts: 6,893
Points: 7,661, Level: 58
Points: 7,661, Level: 58 Points: 7,661, Level: 58 Points: 7,661, Level: 58
Today's Activity: 0%
Today's Activity: 0% Today's Activity: 0% Today's Activity: 0%
Send a message via AIM to ZU L8R
Default

Quote:
Originally Posted by JAM3Z View Post
Battery is like 3 months old.
I had the one in my 300zx last about that long.
__________________
-Matt-
www.FlatOutMotorsports.us
99 Viper GTS Not Stock
My car is so cool it has speakers in the hood!
ZU L8R is offline   Reply With Quote
Old 01-16-2009, 08:46 AM   #15
HondaKiller
Banned
 
HondaKiller's Avatar
 
Trader Score: (5)
Join Date: Mar 2007
Location: Florida
Posts: 1,140
Points: 2,103, Level: 27
Points: 2,103, Level: 27 Points: 2,103, Level: 27 Points: 2,103, Level: 27
Today's Activity: 0%
Today's Activity: 0% Today's Activity: 0% Today's Activity: 0%
Default

my SR20 240 always used to have a dead battery after a few days of sitting. I sold it like that charged and good for 72 hours of course
HondaKiller is offline   Reply With Quote
Old 03-07-2009, 02:11 PM   #16
sluggoZ
Registered User
 
sluggoZ's Avatar
 
Trader Score: (127)
Join Date: Feb 2004
Location: Hudson, Ohio
Posts: 2,251
Points: 5,385, Level: 47
Points: 5,385, Level: 47 Points: 5,385, Level: 47 Points: 5,385, Level: 47
Today's Activity: 0.4%
Today's Activity: 0.4% Today's Activity: 0.4% Today's Activity: 0.4%
Default

What do you guys think about these battery trickle chargers I found on ebay.
ebay#330311300790 #320339579844 #270353907107

I'm seriously thinking about buying one of the above.
So far I like the Wildfire, all one unit that just plugs into the wall but the Carson Engineering is 3 amps.
__________________
My '04.5 SB ZR still feels like HEAVEN...what a cooool ride doing the twisties!
sluggoZ is offline   Reply With Quote
Old 10-22-2010, 10:07 AM   #17
onecoolee
Registered User
 
onecoolee's Avatar
 
Trader Score: (0)
Join Date: Oct 2002
Location: PA
Posts: 667
Default

get a c-tek charger...they make good stuff.
onecoolee is offline   Reply With Quote
Old 10-10-2011, 06:19 PM   #18
ReNo350
Registered User
 
ReNo350's Avatar
 
Trader Score: (0)
Join Date: Oct 2011
Location: Reno
Posts: 3
Points: 1,069, Level: 17
Points: 1,069, Level: 17 Points: 1,069, Level: 17 Points: 1,069, Level: 17
Today's Activity: 0%
Today's Activity: 0% Today's Activity: 0% Today's Activity: 0%
Default

Quote:
Originally Posted by HP 350Z View Post
I am having the same problem with my car right now. the only way to get the car going is by jumping the battery. i also tried putting another battery but the car did not want to turn on. even thoe it had power inside the car. it wont hold a charge and i only use it on the weekends.
I'm having the same problem It started when I put Two 12 inch Rockford Fosgate P3's w/ 850.2 ZX Kicker amp in the car. I dissconnected everything and I haven't had a problem since. But I want to rock the subs so I'm thinking about putting one of those shuriken audio batteries to run off the main one. I was told that would fix it So if by coincidence you realize that this started happening when you installed a system, this is your problem.

Last edited by ReNo350; 10-10-2011 at 06:23 PM..
ReNo350 is offline   Reply With Quote
Old 04-27-2012, 10:46 AM   #19
vaporiz
Registered User
 
Trader Score: (0)
Join Date: Dec 2011
Location: California
Posts: 54
Points: 1,176, Level: 18
Points: 1,176, Level: 18 Points: 1,176, Level: 18 Points: 1,176, Level: 18
Today's Activity: 0.4%
Today's Activity: 0.4% Today's Activity: 0.4% Today's Activity: 0.4%
Default

Hi same problem here, I got my z for a week or so. This is my first manual car and I've been stalling and having to restart my car every time I screw up my clutch and 1st gear timing. After those initial days of learning manual, I've gotten pretty comfortable driving manual. But now the car won't start. I charged the car for like 10 min thenjump started the first time it did turn on and I drove it around for like 30 min or so to charge it. So after that I went home and didn't turn it on again until this morning. I started once and it worked, but I left something in my house so I turned it off and when i came back out and tried it again, it didn't work.

I'm wondering if learning manual in this car caused this problem?

Any help appreciated, thanks!
vaporiz is offline   Reply With Quote
Old 04-27-2012, 10:46 AM
MyG37
Infiniti G37




Paid Advertisement
 
 
 
Reply

Tags
2003, battery, car, charge, charging, club, days, dying, fine, hold, jump, mtp93, run, sr20det, start, started, time, won



Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump

ADVERTISING
INSURANCE CENTER

All times are GMT -8. The time now is 06:51 PM.


Advertise on MY350Z.COM - Privacy Statement - Terms of Service - Jobs
Copyright 2002 - 2008, MY350Z.COM All Rights Reserved.

Admin control Panel Backup