Question about 2003 Chevrolet TrailBlazer
Sounds like the ignition even though its turning the vehicle off is not completely switching the ignition switch off could be a faulty switch or bent rod going to switch not the ignition itself but the switch
Posted on Mar 30, 2014
Try remove fuse one at a time and see witch circuit is at false
place a ampmeter to battery to know what is the draw it should be around 30mA . anything higher than 30mA is too much that what drain the battery,
hope it helps
Posted on Mar 30, 2014
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Posted on Jan 02, 2017
thats a good question. very hard problem to fix. i had a 2005 colorado i went through 4 batteries in 3 years. chevy could not find problem. they said i had a drain. never did find it sold vechicle.
Posted on Feb 25, 2009
your alarm system has been tripped when the battery went dead, to get the information on how to reset the alarm is to call the car manufacture to get the procedure, and should not cost you anything.
Posted on Jun 23, 2010
SOURCE: I have a 2003 Chevy
Your problem is most likely the fan relay. It is normally under the hood in the fuse box. Open the fuse box locate the fan relay (most are labeled ) If labeled tap on that relay and the fan should shut off if it does the relay needs to be replaced. If its not labeled tap on the relays one at a time till it shuts off. The one you tap that shuts it off is bad pull it out like a fuse and replace it. 4 thumbs up is appreciated if this helps.
Posted on Dec 24, 2010
could be a problem with the cables ,check they are connected and you have a 12v supply on the big thick cable from the battery to alternator as some vehicles have a fuse in this line and iam not familar with american vehicles sorry ,if you have power then renew the alternator complete unit prefferably with a bosch factory rebuilt unit if available in your area or country
Posted on Dec 24, 2011
Tips for a great answer:
Jun 23, 2016 | 2003 Ford Focus
The IPC determines that the system voltage is less than 11 volts or greater than 16 volts. The IPC receives a serial data message from the body control module (BCM) indicating the system voltage.
The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds.
The ignition is on, with the engine off
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