Question about 2002 Chevrolet Suburban
02 3/4 ton worked fine, pulled in to drive way, turned off. I got in again later, won't crank over, all power off. Battery is still registering at full power. Nothing else works. Any help?
I had a similar problem with a 1999 Chevy Astro. All fuses checked out good. Several posts advised cleaning the battery terminals, checking out the ECU to cutting the yellow wire from the ignition switch, check to see if it'll crank on Neutral, and also checking/replacing the brake switch. I simply removed several keys from the key ring, then shot several bursts of air from an air can (some keys are keyed to the ECU to turn off the Security System when attempting to start the engine), then waited several minutes for any condensation to dissipate, then was able to crank the engine to life.
Posted on Nov 18, 2013
Try jump starting it, if it starts it's probably your battery. Your battery may register full power but that little measurement can't tell you what will happen when your battery is under load. I bet if you test your battery as you're trying to crank the engine, the voltage will drop well below 12 volts.
Posted on Nov 18, 2013
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Posted on Jan 02, 2017
SOURCE: 1994 corvette wont start
I had the same issue this morning...ran yesterday just fine, but this a.m. when I went to start...nothing. No dash lights, no click, nothing except some odd ticking from the dash(?) ~ weird. Anyway, replaced the battery...starts like the champ!
Changing the battery is a bit of a challenge, but I found a GREAT step-by-step on http://www.corvettemagazine.com/2001/october/battery/bat1.asp
Posted on Feb 22, 2009
Body Control Module (BCM) on both counts. Find a shop in your town that specializes in electrical systems to test it. Beware, these can be intermittent problems, so make sure they keep it until the car does what you have observed. Expect to spend about $450 for the replacment. Dealers quoted me between $700 and $1,100 for the same repair. By the way, a new BCM will probably only last you about 12 months.
Posted on Aug 14, 2009
SOURCE: 2007 chevy cobalt ls won't
Ignition relay or fuse could be the problem. When you turn the key to start do you hear a fuel pump kicking on and or do you have spark when you hot wire the starter (I know it's hard to check while trying to start it)? You can email me back and I might be able to pinpoint it more.
Posted on Jun 06, 2011
It may be as simple as reprogramming your system. There is a way to re-synch your keys to the system. Use the instructions at:
That vehicle had a lot of problems with the PCM "Power Control Module" and that may be your problem.
Posted on Jun 11, 2011
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