Dealer says bad battery, I had them replaced 2 times already. I will put the truck on a lift and see if there are any wiring issues. Connect a 10A fused jumper wire to the test switch tool terminals. Oh, and did you check the electrolyte level? Push it once and the dome lights do not come on when the car doors open. It was about 9-10 months old. Correct as per the appropriate service manual. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely.
Any update on if you found a way to test and find the root cause would be great. Most importantly is the system has a wireless remote to open a circuit for 60 seconds for starting. Open the J38758 again when done. Refer to to diagnose exactly which part of the suspect circuit is causing the parasitic drain. But if your engine cranks that is not the case. If it happens repeatedly when it does occurs then your parasitic drain is probably more of a short in the system. Then see if the fan still runs.
The battery was one that came with the vehicle. I have been having problems with the battery going dead after truck sits for four to five days. I have always turned my own wrenches including 5 sets of intake gaskets on various vortec's. Going through the fuse terminal I discovered the radio as my culprit. It comes complete minus battery group 48. This is the most unreliable vehicle I've ever owned. The shifting into 4 wheel problem stopped and I am not sure why, but the service 4 wheel drive light still comes on.
Thank you for your time! Labor for these repairs that should take no longer than 3. I have the radio boxed up and labeled to ship to Short Circuit Radio Repair in San Jose, Ca. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. Hopefully no more dead batteries! Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If one or more module is waking up, how many times and which module s? The parasitic current drain should not exceed this number. Why is this not a recall for safety reasons? Verify that the battery and charging system are in proper working order.
If there is a light that illuminates the engine compartment when the hood is up, lower the hood until the light goes out or remove the bulb if necessry. The source of that figure was an article written by someone named Larry Hammer, and can be found at this website:. Update from Jan 31, 2011 : The vechicle now has 40K and the battery is only a year old. I pulled every fuse in the fusebox under the hood, and the panel at the end of the dash. The connections on the battery all are clean and tight.
I don't have a service manual of any type for it. Rims are showing signs of corrosion,flaking and blistering of the chrome on the aluminum rims. Update from Mar 29, 2011 : At 40K the battery that was just replaced in less then 15 months go dead again. I had to jump the vehicle. Some thing else to consider is unless someone can chime in and say from experience with an 03 Yukon or Tahoe or Suburbon that 1. Once the car is shut off and restarted it would be fine until the next incident.
Is there anything else that I should check to see why I have to keep getting a jump? Tured out it was a shorted cell in my 1 year old battery. It's interesting that I had a 2008 that I was experiencing the same problem with before I traded it in on the present vehicle. My battery display reads 15-16 amps when running. The battery leaked acid from the positive battery post and the material on the drivers seat was wearing out. I kept watching it and the dome lights came on a while after I shut it off. I had the part and was told this was not thee problem. With the radio fuse installed the current never dropped below 3 amps if I recall correct.
Open and close all doors, windows, deck lid, etc. Additional Diagnostic Tips Usually if a vehicle will start and then not start in a very short period of time, the condition may be created by a loose or corroded connection. However, there may be something that caused it to go bad like the alternator not charging it or a short in something. I pulled every fuse in the fusebox under the hood, and the panel at the end of the dash. The service 4 wheel drive comes on but it has done that since new. They had our Denali for 5 days, but it appears to be fixed now. Well you folks have helped allot.
However, I was told by the dealership that this battery does not have a warranty since it was replaced under warranty. This avoids damaging the digital multimeter due to accidental overloading, such as a door being opened to change a fuse. I am the second owner and have owned this vehicle for less than 1 year. Repeat the parasitic current drain test procedure after any repair has been completed to make sure that the parasitic current drain is at an acceptable level. Not sure what the problem is. Good news it isn't the alternator.