Question about 2001 Chevrolet Suburban

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Battery light on replaced battery, with eng off voltage read 12.8 with eng on 14.0 2001 chevy sub 5.3

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A battery light DOES NOT mean the battery is defective, it means the alternator is defective, most likely the alternator has a defective voltage retifier (changes the alternators AC voltage to DC voltage) diode.

Posted on May 26, 2010

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Posted on Jan 02, 2017

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2003 chevy tracker 2.5 v6 maf sensor voltage, ignition on voltage and running voltage? theres 3 wires one positive, two neg.


No the three wires are 1 battery voltage 1 reference voltage 5 volts 1 ground. these sensors read in Hertz so a low reading would indicate a leak in the piping. Low voltage could be due to a dirty sensor computer measures the burn off of the hot wire which has been contaminated by dirt or K & N air filter cleaner. The number one seller of mass air flow sensors.

Oct 26, 2013 | 2003 Chevrolet Tracker

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2006 chevy malibu


Check your ground wire to lights with DVOM; should read battery voltage from park light terminal of socket to the ground wire. If voltage is low you have a poor ground connection; if not, you may have a bulb/socket shorting across to park lamp ckt.

Sep 13, 2012 | 2006 Chevrolet Chevrolet Malibu

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2006 trailblazer ac only blows on #5 speed. Replaced blower resistor & control panel. Also on any lower speed ip lites up i.e. abs, traction control,e-brake &seat belt?


****, you can check some more but from what I am reading your problem could be related to a faulty ignition switch. I am sending you a copy of some fixes.. you can compare to your condition..
Best of Luck to you..

2006 Chevrolet Trailblazer LS 4.2L, Vin S, Eng Cfg L6
Customer Concern: No blower motor function. AntiLock Brake System (ABS), Red Brake Warning Light (RBWL), Traction lights all on. Radio does not work. Tests/Procedures: 1. Check for battery voltage at fuses #31 and 39 in Rear Fuse Box under the rear seat.

2. If the voltage value is less than battery voltage, check the Orange wire at the 48 cavity connector located at the base of the steering column at pin D1.

3. If the voltage is low at C201 check the voltage at pin "G" of the ignition switch.


Potential Causes: Ignition Switch


2006 Chevrolet Trailblazer LS 4.2L, Vin S, Eng Cfg L6
Customer Concern: ABS, Low track light comes on intermittently. The heater blower motor quits running, 4WD not working. No communication with the ABS. If you disconnect the ABS computer and plug it back in, it may work. Tests/Procedures: 1. Test voltage at HVAC 30A, 4WD 15A, HVAC 1 10A, BRAKE 10A, TBC RUN 3A labeled fuses in the rear fuse block during the problem.

2. Inspect connector 101 38 cavity connector mounted along the underhood bussed electrical center. This harness may be routed tightly around the underhood fuse block, causing chafing or connector terminal contact that could induce any of the concerns listed.

3. Clean and secure ground G110 located on the lower left side of the engine block. Potential Causes: Damaged Circuit 300
Damaged Connector C101
Improperly Installed Engine Compartment Harness
Malfunctioning Ignition Switch

Aug 26, 2011 | 2006 Chevrolet Trailblazer

1 Answer

2001 CHEVY SILVERADO 2500HD BATTERY LIGHT FLASHES INTERMITTENTLY. NO PROBLEM WITH BATTERY OR WITH ALTERNATOR, BOTH OF WHICH TEST OK. NO PROBLEM WITH STARTING OR RUNNING, EXCEPT FOR THE FLASHING BATTERY...


2001 chevy silverado 2500hd battery light flashes intermittently. no problem with battery or alterntor. both tested ok. no problems with starting or running. voltage gauge reads just above 14. no problems with anything except battery light flashes. what could be the problem?

Dec 04, 2009 | 2001 Chevrolet Silverado 2500HD

2 Answers

2002 accent eng light code is low voltage


check drive belt,if ok,check charging system

Feb 21, 2009 | 2002 Hyundai Accent

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