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Is there a fuse that works the oil pressure gauge and the battery gauge for a 2005 chevy trailblazer

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  • Cars & Trucks Master
  • 11,082 Answers

NO , there is not a fuse just for those two thing's ! There are two power supply's for the whole insturment cluster . You could need a new cluster or the ECM isn't sending this info. to the cluster . Could have DTC'S - diagnostic trouble codes stored in the PCM or the insturment cluster . Without knowing how this works (insturment cluster gets it's info.) Your best bet , take it to a qualified repair shop that has the knowledge and test equipment to diagnose this problem.
Engine Oil Pressure Gage
The instrument panel cluster (IPC) displays the engine oil pressure as determined by the engine control module (ECM). The IPC receives a serial data message from the ECM indicating the engine oil pressure. The engine oil pressure gage defaults to 0 psi (0 kPa) or below if:
• The ECM detects a malfunction in the engine oil pressure sensor circuit.
• The IPC detects a loss of serial data communications with the ECM.
For the 4.2L LL8, the ECM uses an engine oil switch that is open when the oil pressure is normal and closed when the oil pressure is low. At normal pressure, the engine oil pressure gage will display 275 kPa (40 psi). At low pressure, the gage will go to 0 kPa and the low pressure warning will be displayed in the driver information center (DIC). At high pressure, the gage will display 551 kPa (80 psi). Any values between these three values are calculated values determined by the ECM.

Voltmeter
The instrument panel cluster (IPC) displays the vehicle voltage based on the information from the body control module (BCM). The IPC uses the serial data information from the BCM to provide a voltage level indication on the voltmeter.

DTC P0521: Engine Oil Pressure (EOP) Sensor Performance

DTC P0522 Engine Oil Pressure (EOP) Sensor Circuit Low Voltage
DTC P0523 Engine Oil Pressure (EOP) Sensor Circuit High Voltage

Volt Gage Inaccurate or Inoperative
2
Install a scan tool.
Turn the ignition ON, with the engine OFF.
With the scan tool, perform the instrument panel cluster (IPC) gauges output control.
Does the volt gauge move up and down when commanded?

Posted on Aug 12, 2017

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Posted on Jan 02, 2017

  • 16 Answers

SOURCE: When driving my oil pressure gauge and tachometer does not work

if its not a fuse check the speed sensor for the tach, and the oil pressure switch on the side of the engine block see if the lead came loose

Posted on May 08, 2009

  • 67 Answers

SOURCE: My 2005 Trailblazer's oil pressure gauge AND

DO YOU MEAN AT OTHER SIDE OF STOP, YOU MIGHT BE ABLE TO FIX IT REMOVING CLUSTER MOVING IT UPSIDE DOWN WHILE NEEDLES MOVE AT UPPER MIDDLE PART OF GAGES

Posted on Nov 11, 2009

roniecon
  • 6826 Answers

SOURCE: oil pressure at 0 on 2005 trailblazer

It sure sounds like the oil sending unit is at fault,now sometimes,not always,the oil sending unit will seep oil or leak oil if they go bad,but like I said,not always,change the unit,and the oil and filter just for precaution.

Posted on Apr 21, 2010

  • 22 Answers

SOURCE: I own a 2005 Chevy Trailblazer. My oil pressure

could be the oil pump in the motor.

Posted on May 29, 2010

DrSpeedo
  • 294 Answers

SOURCE: 2005 Trailblazer Ext: how doi fix a gas gauge on my chevy trailblazer 20...

Common problem on the 03-06 Trailblazer instrument clusters for the fuel gauge to go out. It's usually caused by one of two main problems, either the stepper motor on the cluster's circuit board is going out or the sending unit on the fuel pump is going out. Check out this blog post about the problem - Trailblazer fuel gauge problems

Posted on Sep 30, 2010

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I have a2005 chevy trailblazer 5.3...no oil pressure at a idle...50 lbs when I step on the gas.changed the oil pump same thing


Have you checked the pressure with a mechanical gauge to make sure the gauge on the dash is correct ?
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It sure sounds like the oil sending unit is at fault,now sometimes,not always,the oil sending unit will seep oil or leak oil if they go bad,but like I said,not always,change the unit,and the oil and filter just for precaution.

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the sensor is on the side of the engine block. there's two thing that monitors oil. a pressure switch turns you oil light on and you oil pressure sensor the operates your gauge, start with your sensor. that is near you oil filter that is where it gets it pressure reading from

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The oil gage on my 2005 chevy trailbaizer is starting to act up sometimes by reading zero. The truck has 87000 miles is this something that can be fixed? I checked the dipstick and I have plenty of oil??


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When driving my oil pressure gauge and tachometer does not work


if its not a fuse check the speed sensor for the tach, and the oil pressure switch on the side of the engine block see if the lead came loose

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2002 Chevy Trailblazer Oil Pressure


Common issue on teh 03-06 Trailblazer instrument clusters, it's caused by failing stepper motors on the cluster's circuit board. It is fixable, check out this page for more on how to get it fixed - Trailblazer oil gauge broken

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