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battery drain dealer says


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reecegr 
Member - Posts: 28
Member spacespace
Joined: November 24, 2007
Location: Wisconsin, United States
Posted: February 04, 2008 at 8:29 PM / IP Logged  
installed a ca670 on a 2007 ford explorer,no different than a 06 and installed many just like it.dealer claims its the remote start.truck was fine when new 3 weeks later installed the ca670 everything fine for a week ,now the battery dies after it sits over night,battery tests ok dealer says.any help would be great,Im lost installed many first battery drain,how would i even test.
chadwa2003 
Copper - Posts: 353
Copper spacespace
Joined: January 08, 2005
Location: Canada
Posted: February 04, 2008 at 8:37 PM / IP Logged  
Pull all the fuses keep the customers car overnight test the voltage before disconnecting and then check in the morning. Also you could also test for any current draw with the fuses in and with the fuses out of the remote starter. You should have very minimal current draw it should be under 1 amp
tonyberg 
Copper - Posts: 116
Copper spacespace
Joined: November 08, 2005
Location: North Dakota, United States
Posted: February 04, 2008 at 9:29 PM / IP Logged  
Battery draw on MOST vehicles should be about 25-30 milliamps stock, I find an extra 10milliamps draw from a remote starter with a module to be common...should you should be seeing 40mA max.  If there is anymore than that, something is wrong.  The easiest way to see if its the remote starter, is to keep the vehicle over nite with the fuses out of your system.  If the batterys still good in the morning you know your starter is more than likely the culprit
reecegr 
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Joined: November 24, 2007
Location: Wisconsin, United States
Posted: February 04, 2008 at 9:33 PM / IP Logged  
thanks for the reply's,but how do you do a curent draw test(I know installer that does'nt know}LOL
reecegr 
Member - Posts: 28
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Joined: November 24, 2007
Location: Wisconsin, United States
Posted: February 04, 2008 at 9:36 PM / IP Logged  
Oh yea, normal draw on this is 50mil,and dealer says now 200mil so if I could test and unplug seperate plugs Id know where to look.
cmk0808ny 
Copper - Posts: 203
Copper spacespace
Joined: June 02, 2007
Posted: February 05, 2008 at 4:42 AM / IP Logged  
you need to put diodes on the dorr locks relays from the module. wihtout it drains the battery- computer wont go to sleep.
offroadzj 
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Gold spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: June 03, 2005
Location: New York, United States
Posted: February 05, 2008 at 10:08 AM / IP Logged  
cmk is right. It has something to do with the commputer sending out test pulses or something to that nature. Anyways, if you dont use the diodes, the computer will stay awake, which causes the battery to drain.
On a side note, I am also wondering what the best method is to test battery drain. I know that you put the DMM between the positive side terminal, and the wire (in-line) but what setting do you use on the DMM, and will most DMM's work?
Kenny
Owner / Technician
KKD Garage LLC
Albany, NY 12205
reecegr 
Member - Posts: 28
Member spacespace
Joined: November 24, 2007
Location: Wisconsin, United States
Posted: February 05, 2008 at 11:02 AM / IP Logged  
That is what I need to know,so if you find out please post.and thanks for the reply
swerve 
Copper - Posts: 149
Copper spacespace
Joined: January 10, 2007
Location: Oregon, United States
Posted: February 05, 2008 at 6:12 PM / IP Logged  

your dmm has to have an amperage setting. usually it will have its own plug and will either be fused or not fused. you set the meter to dc amps and connect one test lead to battery, other to the disconnected battery terminal. and check the amperage draw with the doors closed, lights off, etc...measure the current draw right as you hook it up and then wait like half an hour for everything to go to sleep.

if your meter has a peak hold setting you can use that to record the highest draw, you can use that to see if the computer is sending pulses and not going to sleep. it will spike when it gets a pulse so you set peak hold at a baseline reading where you think the computer is alseep. if the computer sends a pulse then you will notice the draw being higher than what you recorded previously.

super cheap dmm's wont have a current draw feature but a majority of dmm's $20 and up will.

git yer swerve on!
reecegr 
Member - Posts: 28
Member spacespace
Joined: November 24, 2007
Location: Wisconsin, United States
Posted: February 05, 2008 at 6:30 PM / IP Logged  
You guy's rock,everything works great and that was the problem.It was pulling an extra 175Ma and radar detector was pulling 200 and their phonecharger with a phone connected was a extra 400 so all in all fixed and thankyou.oh yeah stock is 29 spikes to 50 about every 40 sec.
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