Question about 1993 Buick LeSabre

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Where to find the charging systems - 1993 Buick LeSabre

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Hi
Trace the positive wire from the battery to the starter. From there it should go to the alternator. It sits along the side of the engine and your serpentine belt drives it. Just make certain you disconnect the battery before you start messing with it.

Posted on Jul 11, 2010

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Posted on Jan 02, 2017

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2004 expedition want run on its own alternator is charging battery is good but all warning lights are on and dies when i take charge off


How did you test battery and charging system?
Your charging system is computer controlled. Check for applicable trouble codes. To check codes yourself, at the least you need an obd2 code reader that will check manufacturer specific codes as well as po codes.
Take wire connector loose from generator . The two wires on the left should show battery voltage, do they? What is the voltage spec? This is with key off and no charger hooked up.
The two wires on the right are to and from the computer, To check those, at least, you need a digital multimeter that has a duty cycle or frequency setting, with engine running, should activity on both wires. You have a battery temp sensor that could cause problems.

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Jun 11, 2017 | 2004 Ford Expedition

1 Answer

MY battery went dead due to me leaving the lights on. I charged and it seems to be running fine, but the charging system failure message is coming on also battery pic in red?


The battery is not fully charged or you do indeed have a charging system problem. You need to have the charging system tested to insure proper operation

Dec 21, 2015 | 2007 Buick LaCrosse CXS

1 Answer

My can wont charge my battery and it wont rev about 2500 rpm in any gear. i have replaced cam sensor and crack sensor and put new timing belt and tensioner on?


My car won't charge my battery ? Check the alternator (charging system) . You put new cam & crank sensor an timing belt on for a charging system problem ? Or after you did this stuff ,now the charging system isn't charging the battery ?

Nov 10, 2015 | Cars & Trucks

1 Answer

2004 gmc envoy xuv , battery light stays on , replaced battery and checked alternator charging fine


You checked the charging voltage at the battery with a ? volt meter ? What was the voltage with the vehicle running ? 13.1 to 14.1 volts ?
BATTERY NOT CHARGING The IPC illuminates the battery not charging indicator in the driver information center when the following occurs:
?€¢
The PCM detects that the generator output is less than 11 volts or greater than 16 volts. The IPC receives a class 2 message from the PCM requesting illumination.


?€¢
The IPC determines that the system voltage is less than 11 volts or greater than 16 volts. The IPC receives a class 2 message from the body control module (BCM) indicating the system voltage


Charge Indicator Always On
Step
Action
Yes
No

1

Did you perform the Diagnostic System Check for Starting and Charging? yes or no
Go to Step 2 yes
Go to Diagnostic System Check - Engine Electrical no

2

  1. Turn ON the ignition, with the engine OFF.
  2. Observe the Charge indicator on the instrument cluster (IPC)
Does the charge indicator illuminate?
Go to Step 3
Go to Symptoms - Engine Electrical

3

  1. Turn OFF the ignition.
  2. Disconnect the generator connector.
  3. Turn ON the ignition, with the engine OFF.
Does the charge indicator illuminate?
Go to Step 4
Go to Charging System Test

4

Test the charge indicator control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 6
Go to Step 5

5

Replace the PCM. Refer to Powertrain Control Module Replacement in Engine Controls 4.2L.
Did you compete the replacement?
Go to Step 6
--

6

Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 3

Aug 25, 2015 | GMC Cars & Trucks

1 Answer

The alternator is good. Why is there low charging in the system?


How low ? Do you have a battery symbol or charge light lit on the dash ? Most newer vehicles the charging system is controlled by the PCM or ECM An sometimes the charge out put may not show a lot of voltage . 12.9 Are You Smarter than Smart Charging System Diagnostic News An sometimes they set DTC'S diagnostic trouble codes !

Mar 27, 2015 | Cars & Trucks

3 Answers

My car didn't take the R-134a


If your car ac is not taking in refrigerant, it could be caused by several things.
If you have recently done work on the system and you are going to fill the system the first time, you will need to pull a very deep vacuum before trying to charge in refrigerant. If you have already properly evacuated the system and having problems getting the correct charge adjusted, you may be having problem with pressure equilizing between the refrigerant source and your ac system. To get the refrigerant going again, you need to connect the charging hose on the low pressure side of the ac system and turn the fan and ac on cool. The pressure in the ac system on the low pressure side will get lower than the pressure in the refrigerant container and flow will start. When charging initially, charge liquid on the high pressure side and with the ac system running, charge gas on the low pressure side. To charge liquid, invert most container so spout is down, to charge gas, keep container right side up. Charging by gas help you to not over charge your system. Beware on most vehicle ac systems the suction and discharge connections are two different sizes and require the proper adapter. If you still having problems creating a pressure difference to move refrigerant, you can try immersing the refrigerant container in warm water or applying warm air to the exterior of the container.
Hope this helps.

Jan 02, 2015 | Cars & Trucks

1 Answer

Why doesn't it charge at idle?


It depends if the system is RVC/regulated voltage control. If so, there are about six modes of operation. One is, "fuel economy mode". In that mode, the targeted generator out-put is 13 volts and battery state of charge is greater than 80%. There are two other conditions.
Is there a battery discharge problem? Does the instrument cluster give charging system message or warning lamp?
Any charging system trouble codes? My info on your charging system is limited.

May 02, 2013 | 2010 Chevrolet Express Passenger

1 Answer

Can the a/c on 2002 Ford Explorer be re-charged with Freon or is it actually a sealed system?


All systems can be charged, there are valves to charge the system up, theres a highside and a lowside valve, the highside is the larger valve and the lowside is the small valve. the system is charged through the low side valve. good day.

May 15, 2011 | 2002 Ford Explorer Sport Trac

4 Answers

1998 jeep cherokee sport- i get a code p1682.


P1682 - Charging system voltage to low.

Nov 23, 2009 | 1998 Jeep Cherokee

1 Answer

Power to ac clutch fuse no power at clutch on 03 leSabre


If your AC system is otherwise operational, it may just need to be charged. The compressor will not come on unless there is sufficient charge/pressure in the system. So, first thing to check is the amount of charge in the system. You can purchase a gauge , similar to a tire gauge, that will give a reading of the system's charge. The gauge hooks up to the low pressure side ,or the larger diameter hose/line, same as where you place the re-charge hose. Again, if the system is operational, as you charge it, the compressor should kick in. At first, it will cycle on and off until the system reaches sufficient pressure.
Hope this helps...

Jul 16, 2009 | 2003 Buick LeSabre

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