Trailblazer voltage gauge. 2005 Trailblazer alternator voltage dips alot as you drive.

• Trailblazer voltage gauge. It acts like a short in the grounding system.

  Trailblazer voltage gauge Search Fixya. Is there anything else I should check. Buy Dr. 8) I took to multipal auto part stores and they all said the voltage regulator is bad. Speedometer and Tachometer are always operational. All fuses in both fuse boxes look good. 3V at startup and settling to 14V while driving. Mine does this with nothing additional running on the truck other than the radio and a/c. I noticed the big drop on the gauge when the vehicle was brand new, I was surprised by its behavior. Gas gauge reads empty after I filled up. 2L, 3. I pulled out the multi-meter and checked voltage and got the following results: At battery with truck off: 12. 2L Engine (VIN S -- RPO LL8) Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Idle, Low Generator Output (SI Document ID #1540541) But, before you condemn it, run a voltage drop test between the alternator and battery. -When RPM's drop below 1k, Oil Gauge drops to 0 and lights come on. , Michigan Phone: 586. 66 Tune Only 51945 Gratiot Ave, Chesterfield Twp. When I check voltage at the battery when the motor is running I get 14. If it’s producing a voltage level in the 13’s, go ahead and take it into a parts store and have it tested. The voltage gauge did the same thing, would cycle between high and low. Does the dash gauge voltage fluctuations mirror voltage measurements taken with digital VOM directly from battery posts? Save Share Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum. 1. Any Forums. I also hear a clicking in the main fuse panel under Malfunctioning relay A malfunctioning relay may activate the module when everything is off. 8 and up to 15. com: Zinger Instrument Cluster Gauge Stepper Motor Repair Kit X27 168 Fits 03-06 GM Chevy Silverados Tahoes Yukons(7Motors+36Led Light Bulbs+Soldering Iron+Solder Sucker+Remove Tool+Flux Rosin Core) : Automotive A fuel gauge that only reads full may be caused by a faulty fuel gauge resistor sending the full voltage to the fuel gauge at all times. at night when it does this my dash and head lights dim until the volts go to 14. 1997 Chevrolet Blazer 120,000 mi, Visitor. Pitted against fixed Ignition, Sender provides varying voltage and current to the gauge. This is a short video showing which wires to hook (-> rebadged Trailblazer) After changing battery, starter, actuator, about 1 week later, my voltage goes all the way to the right, maxing out upon ignition and just stays there, completely maxed out. GM Tech (Cam) GM Grand Master Technician 2007. 2003 Trailblazer 4. Browse Categories Answer Questions . Specifically right now the Voltage gauge is inoperable and it sits beyond max all the time regardless if the truck is running. (about 12. A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. 2,548 satisfied customers. 1969 K5 Blazer work in progress 2000 Ford F250 RCLB 7. if the battery voltage is indicating in the area of 12. 5 volts if the charging system is working. This was in city driving with typical residentil accelerating etc. The ground strap is i have an 05 trailblazer with a 4. 9 or 13. took the battery and it tested at 15CCA so i replaced with a new battery the volts went up and down for about 3 The 2025 Chevrolet Trailblazer has high-tech displays, including an 11-inch diagonal infotainment touchscreen and an 8-inch digital driver display. Simply jumped and we had no problems. Malfunctioning voltage regulator The voltage regulator may burn out. When I put it back the voltage gauge went back to normal. Search Fixya DTC P0463 Fuel Level Sensor Circuit High Voltage Read full answer. 2 volts. But, Sender is actually a variable ground connection through the respective sending unit. Tapping the dash or the instrument cluster restores functionality. Following for other symptoms and fixes. . Also the battery, ABS, brake and air bag warning lights are on and the digital section on the cluster are not working (except the odometer and the trips). Oct 22, 2015 dropping the voltage. Does that year have RVC (Regulated Voltage Control)? I think it does, and if so, for some reason the computer thought it wise to crank up the output of the The 2004 Chevrolet Trailblazer has 380 NHTSA complaints for the electrical system at 67,256 miles average. My 2006 chevy trailblazers voltmeter goes down and the dash and headlights flicker at idle. died again, jumped it and same thing ran great for about a week. Click to expand It says in the manual when the switch is on and engine not running, the gauge indicates the battery voltage. The only mod that I have is a K&N intake system. The fuel sending unit is constantly in motion when a vehicle regularly uses fuel, which causes constant movement of the wiper in the variable resistor. When the state of charge is high, the voltage is lowered slightly to prevent overcharging. Check Gauges Light Causes. Only my What exactly does the volts gauge read on the tbss is it the battery output or the alternator power output because that still reads just a scant over 14 still? 06 AWD With some stuff. voltmeter reads over 14 volts. 8 volts DC with the engine off and 14. Hey guys I got a 07 ss trailblazer I been working on for 3 months. Looking at the gauges I noticed fluctuation in charging. Everything on the guage shows good, never goes below 14. The battery voltage is 13 vdc not running and 14. If it’s still showing in the 12’s, it’s time to replace the alternator. 25 volts or less is Ok and the alternator is bad. Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum. My 2015 GMC pickup however, needed a new battery after 2 years. The 2004 Chevrolet Trailblazer has 82 problems reported for gauges fluctuate. Once you accelerate Gauge cluster acting up - One of the gauges not working, such as the fuel gauge or speedometer, could indicate a problem with the instrument panel cluster. under hard acceleration the volt gauge will drop from 14 down between the 9 and 14 as the truck up shifts and the rpms drop the voltage goes back to 14 were it always is. Hence you should really check to see what the voltage at the battery terminals are under the following conditions - engine off, engine running, and engine running with the high beam headlights The 2024 Chevrolet Trailblazer’s unique display features enhance driving with modern technologies, intuitive interfaces, and seamless connectivity, keeping you informed and entertained on every trip. Jumped it and the truck ran great for about a week. Its digital structure can be changed to fit the needs of the driver, and it provides real-time information for a smooth driving experience. With the engine just fired up, you should get over 14. Now when I try to start it the dash cluster goes haywire the gauges jump up and down the idiot lights go on and off and occasionally the vehicle will not even try to 2002-2005 Chevrolet TrailBlazer 2002-2005 GMC Envoy 2003-2004 Oldsmobile Bravada with 4. If I leave the battery connected with key on battery gauge movies from 6-14 volts back and forth. I've check the ground posts in the engine bay for 12 volts and The battery gauges on most vehicles I have owned stays around 13 to 14 volts and doesn't move much unless something that consumes a lot of power is turned on. 1V across new battery, after driving about 5 minutes on a warm day voltage normlized to 14V and stayed there for aXXXXX I replaced Alternator, worried about overchraging, and found a new alternator behaves exactly the same way. GM typically runs a fusible link wire between them for overload protection and they can go bad, mimicking a bad alternator. If we unplug the RVC the battery light comes on and the TB runs as it should, but once you plug the RVC back in the TB will run and you can seen the battery gauge start to slowly move What might cause my gauges not to work properly in my 2004 Chevy Trailblazer 9 Answers. 3V DC. Located on the right side possibly. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Hey everyone, I too am having a similar issue with the wife's blazer. Turned out it was the battery being "old", and under spec as far as voltage went. 2l 142k miles. Depending on the load on the electrical system, anything higher than battery voltage is good It shows voltage around 12. Stepper motor - A stepper motor is the device that drives the gauges on the instrument panel. Save Share 2006 AWD Trailblazer SS - Custom Tuned by Lidio Iacobelli 13. Over time, this can wear down the resistive material The battery gauge has always been at 14 or a tick past, and suddenly today it is near redline, stayed there then, dropped a bit to say 16 or so. If it reads 14. 3M posts 180K members Since 2004 A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. - 08 Trailblazer LT, 4. The problem is, I noticed as soon as I started it back up, that the volt gauge was reading really high, like almost to 19 volts. At random times all of the lights will dim, voltage on the battery will drop suddenly, and the fan for the heat or a/c will slow down. To do this, use a multimeter. 2 - 12. 6L 193,000. 3M posts 182K members had the same issue on my 08, thought it was the alt. Start your vehicle and measure the voltage at the battery terminals. Battery voltage is good, clean connections, no blown fuses, nothing odd looking. occasionally 13. I tested the battery for voltage and it seems fine. It’s probably bad. A/C not blowing cold, Steering Assistance disable, Engine Temp Gauge at cold and we got CEL once with the P0128. Average repair cost is $480 at 69,900 miles. While idling the car will run at 1000 rpm for a few seconds then the voltage gauge will drop to 12 volts, lights will dim, heater blower will slow down, and the rpm will drop to 500. The low level light turns off when the level as reported by the PCM rises and hits 0x1C. -When RPM's go back above 1k, everything goes back to normal. 25V DC when running. 5-15. I have a 2004 Trailblazer and all of a sudden the fuel, oil pressure, temp and battery gauges stopped working. Here is a more detailed list of the causes of a Check Gauges light. Next is the speedo, it randomly works when it wants to. com FREE DELIVERY possible on eligible purchases battery voltage gauge, water temperature gauge or fuel gauge;Solve the common First, it sounds like the Voltage Gauge on the Instrument Panel is somehow broken (a bad solder joint on the IP's circuit board or a bad stepper motor). 3M posts 182K members Since 2004 A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. Anything more than a couple tenths outside those parameters indicates a bad regulator. There's no voltage coming from the alternator; battery voltage while running is the same as once it's stopped, plus or minus a few tenths of a volt; Oreilly's says the alternator is good; There are 0 ohms between Battery + Terminal and Alternator lug, I have not tested this at load though; Generator Turn On Signal sits at 0V engine off, key on Ok, so I have a Large fluctuation in the voltage meter while driving. I had the battery checked and it came back very good. This causes a chain reaction that turns on the instrument cluster, which drains the battery. The most common causes of a Check Gauge Light are bad engine ground, low battery voltage, or a faulty gauge sensor such as the coolant temperature sensor, oil pressure sensor, or tire pressure sensor. (resistance wise) and then the fuse holder pins (carefully with thin gage wire adjunct to The software shows that computer is reading 13. If its higher than 14. There is also an option to get an analog gauge to pop up on the As you said it varies voltage a couple of volts while driving by pulsing the L terminal on/off (duty cycle). love the truck but it has issues. Browse suggested weld parameter settings for Stick Welding, TIG Welding, MIG (Solid-Wire) Welding and MIG (Flux-Core) Welding. My result is no voltage so I guess I will try to order the second board. The same voltage fluctuation in voltage happened. ) My son obtained a 2004 Chevy Trailblazer with the 6 cylinder. These displays improve connectivity, navigation, and driving information, giving users My dash gauges drop out to zeros. A voltage drop of . I notice this more as it gets EnvoyBoy is right on with the voltmeter solution. Battery voltage gauge is controlled by messages to the cluster from the BCM using After replacing the battery in my new-to-me 2004 Trailblazer I noticed that the battery light as well as the prndl message stayed on in the cluster with the 2004 chevy trailblazer, 45500 miles. 7505. I'll give you a list of what I did check: Connector C1 Pin 19 (Ignition 1 Voltage) -Good Pin 20 (B+ Voltage) - Good Pin 21 (Ignition 0 Voltage)- Good Pin 29 (PNP Switch) - Good Pin 31 (Crank Voltage) - Good I have an 03 Trailblazer Ext that decided to die. If the gauges on the instrument cluster of your Chevrolet TrailBlazer are not functioning properly, there could be three possible causes: the gauges' fuse has blown out, the wiring connectors are loose, or the gauges themselves are bad. So that is normal. 56 2008 chevy trailblazer temp gage not working/ac not working - Cars & Trucks question. Carhelp4u. 2014 Impala LS (non-eco)-Build date 12/13/2013 Mine 3/15/2014<br />"I don't care what you think about me; I Specifically, on both my 2002 TrailBlazer and my 2003 benchtop testbed the low fuel level light comes on when the level as reported by the PCM to the cluster hits 0x10. This morning the needle was about 1 volt below (13 volts) the middle mark (14 volts) on the gauge. ( down to 12. Roc Instrument Cluster Gauge Stepper Motor Repair Kit Fits X27 168 03 to 06 with 6 Stepper Motors Soldering Iron Solder Sucker Compatible with Chevy Silverado Tahoe GMC Sierra Yukon: Speedometers - Amazon. Some days, I'm charging off the chart, some days I'm driving around at 9V, some days it works the way it should. These gauges aren't known for their accuracy but most of the vehicles I've seen the gauge stays around 14 - some of the newer models drop to 12 after driving for a while. That must have re-connec I HAVE A 2003 TRAILBLAZER IM HAVING TROUBLE WITH THE CHARGING SYSTEM,I CHANGE THE ALTERNATOR BUT IT STILL SHOW THE - Chevrolet 2004 TrailBlazer question. 3 6spd In turn, the fuel gauge might think the voltage feedback means that the tank is either empty or full, depending on how the car is set up. Oil pressure, battery, temp, and gas gauge. It seems to only happen on de-acceleration. I just took my meter and measured the voltage at the battery, and it was about 12. 5 with engine off, and 14. If the alternator is not putting out, the voltmeter will read same The voltage meter drops significantly and then bounces up and down slightly. From home and they would go dim and the gage would dropbelow 14 and then they would brighten up and the gage went above 14, has done this on several occasions dealer took Now we are in June and we watch the volt gauge and it drops as low as 12 volts back up to 16 volts driving on the highway. Cigar lighter (power outlet) fuses in the Chevrolet TrailBlazer is the fuse №13 (Cigarette Lighter) in the Underhood Fuse Box and fuses №15 (2002-2003, Auxiliary Power 2), №46 (Auxiliary Power 1) in the Rear Underseat Fuse Box. 7 or lower than 14. voltmeter gauge doesn&#39;t show correct voltage. the way test for the problem is to check the voltage on the return wire at the motor and ground with a dvm meter you should see a vary voltage when slide temp controls from 12-volt Ignition and Ground are constant, providing a fixed reference voltage and current to each gauge. 70 @ 100. Those values seem within normal ranges, so I am now 99% sure it's a mechanical problem with the 16 brown - generator lamp to "i" terminal on alternator or voltage regulator 18 light green - hi beam indicator spliced off of high beam circuit at dimmer switch gauge wiring 18 blue - oil pressure 18 green - water temp gauge power (this goes to the ignition terminal of all gauges and one side of the generator lamp) ***voltmeter uses this also Amazon. If the voltage is significantly lower Yesterday with my test light I checked for voltage on several sockets of each PCM connector. With the engine running the gauge is showing the condition of the charging system. 2L 189,000 2010 Traverse 3. : In this tutorial you'll learn how to repair a sticky, stuck, jumpy or dead GM speedometer, tachometer, fuel gauge, oil pressure gauge, volt meter, water temperature 2003 Trailblazer 4. Come join the discussion about performance, modifications, troubleshooting, towing capacity, maintenance, and more! My voltage gauge is doing the same thing. It apparently was a After emailing Miller tech, this time I was told to check battery voltage exists on RC21 pin 3, if battery voltage is there (SW2 on) change PC1, if no voltage change both boards. I notice this when I am stopped at a light, in gear, foot on the brake. Supporting Donor. 2) Photo showing the problem with the Volts gauge PEGGED (power off) 3) Photo showing the problem with the Volts gauge PEGGED (power ON) - gauge was pegged regardless 4) Removed fascia around the instruments - (Just squeeze and pull loose) 5) Instrument panel after fascia removal. 2 to 14. I revved the I would agree that 2 marks past 14 volts isn't normal. -Over time, oil gauge would 'bounce' while idling. Having said that, how are you monitoring your voltage, dash After gathering information with the scan tool, it’s time to inspect the Chevy Trailblazer’s alternator and the voltage regulator. 5 volts, but much slower than the rate of the flicker) giving the engine a rev seems to improve the flicker, until it Are you tired of having to go to the car plugging in the gauge to see if you installed you LEDS correctly. When I start it, the guage moves about as much as it normally would, but even farther off scale. any advice? Mechanic's Assistant: What shape is the alternator belt currently in? When was the last time it was replaced or adjusted? On my drive to work this morning the coolant gauge was pegged at cold the whole drive around 50 miles. 2005 Chevy Trailblazer LT, 2-Door, 4WD, I6 4. mrrsm. Also checked all the conections and everything seems tight. If the meter reads between 13. If this happens, the instrument cluster may draw too much voltage from the battery. The magnetic interaction between ‘fixed’ and ‘variable Just had the new alternator tested today along with the new battery, all good. I will try and check the actual voltage with a handheld. I had the Steering Assist & no a/c, & cold temp. Save Share The voltage gauge fluctuates as the gauge actually shows current state of power through the system not just the battery itself. It hasn't run the battery down low so it always cranks good and doesn't need a jump. The VR is located in the alternator so I put in a new one. And my charger inside the vehicle registers 14 solid coming from the port. any advice? All new. charging, battery and starting systems tested ok except - Chevrolet 2004 TrailBlazer question. Trailblazer no start Fixed!!!!! Ok folks finally got fed up and sent it to my local Chevy dealership. 7 volts on the OBD diagnostic port. New posts Search forums. (Page 1 of 5) The 2025 Chevrolet Trailblazer’s instrument cluster shows important vehicle data in a modern, easy-to-understand way, such as speed, gas mileage, and safety alarms. For the sake of helping someone else I'll post the exact worksheet-- open in the positive voltage circuit #440 to PCM - Check your blinkers and voltage gauge pull power from your ign switch as the switch and wiring get old the contacts get dirty and will cause this live with it or replace the switch and clean the wiring contacts . When he first got it the voltage gauge indicated very high. Customer: 2007 Trailblazer LT, alternator output voltage was 15. (Page 1 of 19) the vehicle's oil gauge will go all the way down. 42 Gears, Red/Silver two tone, 177k. If you got 14. When selected, Show in Cluster may be chosen in the dialog. Before Yesterday The Gauge Always Read Empty With No Movement. then goes up to 14 v. 249,000. Radio does not work unless it is 100deg, then only one speaker works. 2 or more volts, the alternator is charging fine. 15. Answered by Carhelp4u in 11 mins 17 years ago. My voltage gauge will drop into mid 12's during H'way driving, but never saw it lower than the 13's running around My son obtained a 2004 Chevy Trailblazer with the 6 cylinder. Over charging 16. -At first only occurred on occasion. 5 volts from the frame to the engine. The gauge is reading right at 14 volts. was reading below 12. Both high and low. My plan was the I have a 2006 Trailblazer that has intermittent electrical issues. 7 vdc with engine running. My voltage gauge fluctuated after I added my second amp while I was stopped with my headlights on, ac blowing etc. ASE CERTIFICATION. 5 and 14. Not sure if its the alternator or if there is an external regulator going bad. Customer: over charging 16. Over the last month I've noticed my battery gauge is buried full out past 19 volts indicating an overcharge issue, yet no running issues or changes even under a full load with ac ect on. Once I shut off and restart the Blazer the gauge will start reading closer to where it should be but is still off (lower) by about 1/8 of a tank. Member. Gauge. But, when it happens it drops and then comes back higher than it runs (12 volts). When the engine was shut off, it displayed 12. Jan 01, 2017 • 2006 Chevrolet Colorado. We are noticing two other symptoms. where it should. [The Ultimate Guide to 2003, 2004, 2005 and 2006 Chevrolet / GM Gauge Cluster Repair and Problems] This article is an attempt to bring together in one place all the knowledge currently available about GM gauge cluster repair 2002 Trailblazer LT While driving, the oil pressure, voltmeter, fuel gauge, and temp gauge all go to zero, with a "check gauge" message and abs light lit up. The lights dim and brighten (almost a flickering candle effect for dimming and brightening quickly) with the voltage gauge slowly going up and down about a notch or two (multimeter test gave specifics of going between 14. The battery voltage guage is reading way off scale on the high side even with the ignition off. 2L engine Won't start or turn over. I have checked voltage at battery using a multi-meter, when engine is off and on and all is normal. Trailblazer Instrument Cluster Dead! ~~By just re-connecting the plug and moving it around it worked for 2 years before I sold it~~. 2. My 07 would go up and down as well. 7 with the engine running and the dash gauge still reads 19 then you most likely have a gauge problem:m2:. 5 engine on. A healthy charging system should provide approximately 13. 32,709 Satisfied Customers. 5 volts there is no problem with your charging system. The problem is the u0100 no communication with pcm. 6L I have a 2006 trailblazer ls. 2, 120k and motor/accessories are all stock as far as I know. 5 volts or more means the wire is bad. Gauge: Displays no information It should be 12. 5 to 14. Checked CIGAR fuse #13 under the hood and is good. You might want to Then today it started to stall again, the mechanic looked at it for a couple of hours and came to the conclusion that it was the Regulated Voltage Control (RVC). 7 volts DC with the engine running. It acts like a short in the grounding system. 13 -14v is the average alternator output. I got another pcm no luck the brought a new pcm and new bcm. 0 with the engine running you have an alternator problem. 0 helpful. The only gauge that seems to work is the gas gauge and the thermostat. (can't say that about the timing chain, but that is a different story). -Only occurs when coolant temp has reached around 210. If this motor fails, it can cause the gauges to stop working. My battery connections and connectors are clean and tight, but I think I'll recheck the grounds. 5 - 14. 6v is the optimal battery voltage. 2L 189,000 The alternator is not putting out 9 or 11 volts on the gauge when the battery is measuring 12 volts. 2006 chevy trailblazer with fuel gauge not working Filled with gas this morning and now the gauge shows empty and - Chevrolet 2006 Trailblazer question. 949. 5 volts, 2007 trailblazer, changed alternator twice. None of the gauges in my car work. Dead instrument gauge problem solved 03 TB 4. There are no problems with the radio except for the lights for the readout dimming, it will stay in tune perfectly. When the battery's state of charge is low, the voltage is raised slightly to quickly bring the charge back up. Report. "Service Engine Soon" light comes on because fuel level sensor is drawing too much voltage. 7. 2ish with multiple meters (2 flukes, and 1 cheap-o meter I keep in my 4wheeling vehichle). Remedying any of those situations is fairly simple and should only take half an hour to complete. voltage guage drops to 9volts for a few sec. Then it levels out at 12 all within maybe 3-5 seconds. DIY: Finally! How to Repair a GM Instrument Cluster at Home - Speedometer and All Gauges. the problem continues. The volt gauge has always read a BIT high, but never more than like 14. I then used the probes to measure the voltage on the OB2 diagnostic port, using pins 4 (ground) and pins 16 (battery +) and I got about 14. Mechanic's Assistant chat. Yeah, my gauges aren't reading too accurately - the temp gauge is high and the battery gauge is low. In this case, the gas gauge won’t change regardless of how much fuel is in the tank. 2004 Chevrolet TrailBlazer 2005 Trailblazer Ext: how doi fix a gas gauge on my chevy trailblazer 20 GM Gauge Repair offers instrument cluster repair & rebuilds for common issues: Faulty gauges, erratic speedometer, dim/dead backlighting, power loss & more. 14 years experience. Check the voltage drop across your battery terminals with the engine running. Stuck it in my backside though, battery turned out to be the actual problem, had the car in on extended 2005 Trailblazer alternator voltage dips alot as you drive. replaced my fuel pump. 12. It can also be caused by low fluid levels. The new GM trailblazer I have had 0. If the vehicle has a voltmeter gauge or a voltage display on the Driver Information Center (DIC), you may see the voltage move up or down. Upon initial startup dashboard voltage gauge shows above 14 but after driving 10 minutes or so voltage gauge drops way below 12. 5 when key in accessory position and about 14. Search Fixya to see if it makes a difference at the vent while the ac system is on. Cluster/guage reading about 12 volts with the battery light on while running and the information center reading (battery not charging). 5 with engine on. 8 volts. 0 volts and your dash gauge does not agree, then the dash cluster has a bad stepper motor which drives the gauge. for Silverado, Tahoe, Yukon, Suburban, Sierra, H2, Avalanche and Other 2003, 2004, 2005 and 2006 Chevrolet GM Vehicles. I also have the flickering needle thing going. As we were driving the vehicle just quit running. After speaking to the guys at dc power engineering I did the big 3 wire upgrade instead which helped tremendously. -Over time, occurred every time I drove. Checked for battery voltage at the rear fuse block big red wire & 12 volts. My voltage will still drop with all of the above on plus the rear defroster but it's still way better plus it The wife has a 2007 Trailblazer with the 4. one day the truck wouldnt start. Any ideas? I Have A 2006 Chevrolet Trailblazer Lt W/ V6 It Has A Gas Gauge Problem. Lifetime VIP Donor. Battery Voltage: Displays the current battery voltage. When I turn on the care they will move and then go back to 0. And after about 20 minutes the battery is died. 5 volts. Customer: I have a 2005 trailblazer- voltage meter keeps dropping below 13 volts andlights dimout sometimes Dealer replaced altenator still happening. If I turn it off at a light and then restart it This is accomplished by using knowledge of the batteries SOC and temperature to set the charging voltage to an optimum battery voltage level for recharging without detriment to To check, put a voltmeter on the battery with engine running-it should show over 13. then it died again. qra eybkju rlk nzvu btncm vzyzy dqlfv coznm nvb wcft eakhq mlgyciw ythue yyjr spgwvi