2004 GMC envoy SLT i replace the battery the year of 2017 i bought it at autozone i took it back to autozone and they charged it and check it and he said the battery was good so i brought the battery back and put it back into the GMC the next morning the battery died again so i took a battery out of another vehicle and put it into the GMC and let it sit for 2 night and this battery didn't died so i am thinking the battery from autozone is bad but autozone said it is good so what i do now?
Battery needs to be replace...test is not accurate...
Sometimes their doors switch if you spray a little WD-40 maybe one of these switches are stay open but you can't see it the light won't come on also check if you have one of those light bulbs that when you open the trunk or the hood it comes on the first thing we'll do the ones from the trunk remove the light bulb or remove the light bulbs from the doors from the interior doors and the trunk and put your battery back on if it if it doesn't drain and is one of those light bulbs most of the times is the one on the trunk this this switch the auto Mercury switches off or damage
Brad is right about the parasitic drain. You can track this down with a cheap multimeter from Harbor freight. There are many videos on YouTube about how to do this including A good one by Ericthecarguy. Search for “how to find a parasitic drain in a Car.”
Check alternator and fan belt
You need to test for something called parasitic drain. This is a problem with devices that run when the vehicle is off. There are instances where the electronic controls in some GMC vehicles exhibit battery drain intermittently.
i want to know why the battery i took out of another vehicle and put it into the GMC and sit for 2 night didn't died like the autozone battery?
Some of the modules like the BCM ECM etc can hold a drain condition when the vehicle is turned off, when the battery dies or is removed, it resets.
AND you still need to do a parasitic test. Likely the battery is fine.
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SOURCE: replace starter on 2002 GMC Envoy SLT
check to see if the starter itself is getting a signal to crank. youll need to use a test light and have someone else try to start the vehicle, while you probe the wire to the starter to see if it is getting power. if not, check the starter fuse to make sure its not blown, as well as the starter relay to make sure that is good too (very common on gm's for bad relays) if the fuse and relay are good, but your not getting signal, it is an ignition switch problem.
SOURCE: Nissan Wont hold a charge
Hi. this is defiantly a slow or major drain that is occurring within this vehicle. Here is a test that you can preform that will help you find this battery drain so you can illuminate this issue.
--BATTERY DRAINAGE TEST PROCEDURE--
Using a 12-volt test light, hook one end to the negative battery post the other
end to the negative battery cable you just disconnected. The test light will glow
or "light" if there is a drain. If the "light or glow" is faint, that is probably
normal draw for the clock or computer. If the "light or glow" is bright, then there
is a large drain. That should be corrected. Now start removing and replacing the
fuses one by one until the light goes out; that one will be the circuit with the
drain. Remember to hold in the button in the door jam for the interior lights.
Please rate and god bless:)
SOURCE: charge ac
It is located under the hood in the larger of the 2 AC lines, this large line is the low pressure line, also check on the round can the low side line connects to as it can be on that as well, that part is called the Accumulator/reciever drier
SOURCE: Battery not charging indicator. What could be my issue?
Who did the testing & did both the
battery & alternator fail at one time?
Auto Zone has a repair facility & did the work?
What codes are present?
Did anyone look at a data base, to see what
the message your getting was & the solution?
Please see my tip at http://www.fixya.com/cars/r5932051-check_engine_light_check. These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.
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