Question about 1991 Mercedes-Benz 190

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Can the current usage by speedometer cluster drain the battery over night?

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Posted on Apr 12, 2014


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03 Chevy trailblazer stops accelerating on highway. Then bearly moves and shuts off constantly. Gas gauge goes up and down under 1/4 tank. Is this a fuel problem. Help!!

Without testing we'd only be guessing . Hooking up a factory or a professional type scanner , an checking engine sensor data parameters , checking fuel pressure an flow , basic electrical system testing - battery condition , charging system output testing etc.... GM did have instrument cluster problems , late 90's - mid 2000's . Stepper motor's inside the cluster that drive the gauge needles , an silver migration . Can cause all kind of electrical issues , battery draining over night , starting problems ,warning lights coming on etc....
How to repair GM Instrument Cluster Speedometer Gauge Stepper

Your best bet , take your vehicle to a qualified repair shop.

Feb 05, 2018 | Cars & Trucks

1 Answer

1998 Buick LeSabre Odometer and Trip Odometer quit working

Your first step should be to have the vehicle hooked up to a factory or professional scan tool .
Diagnostic Trouble Codes (DTCs)
The DTCs when set, indicate that the instrument cluster has detected a malfunction in a particular circuit or other system. The instrument cluster is programmed with routines for internal tests that the instrument cluster follows only under prescribed conditions (test conditions). When these conditions exist, the instrument cluster tests certain circuits or systems for a malfunction (failure conditions). When the failure conditions are true, a DTC is set current. Some DTCs command the instrument cluster to illuminate the SERVICE VEHICLE SOON indicator.
The DTCs are not stored in the instrument cluster's electrically erasable programmable read only memory (EEPROM). The DTCs are not retained after a battery disconnect.
Instrument Cluster EEPROM
Important: The EEPROM is soldered into the instrument cluster. You can not service the EEPROM separately.
The instrument cluster contains a data storage device that can save critical data even when battery power is removed. This device is called the electrically erasable programmable read only memory (EEPROM). The EEPROM is used by the instrument cluster in order to store the following information:
• The odometer readings
• The options settings
• The manufacturing information
Speedometer and Odometer
An electronic circuit operates the speedometer. The vehicle speed sensor (VSS), located in the transaxle, generates an ac voltage with a frequency proportional to the speed of the vehicle. The voltage goes to the powertrain control module (PCM) and then to the speedometer circuit board in the instrument cluster. The solid state unit drives the pointer of the speedometer.
The same buffered speed signal from the PCM is processed by the speedometer circuit board in order to drive the odometer. The odometers are operated by a stepper motor that responds to pulses from the speedometer circuit.

Nov 18, 2017 | Buick Cars & Trucks

1 Answer

Hey on my 2008 chevy impala my my speedometer light doesn't glow at night. All of the gauges around it does but it doesn't. We checked and replaced fuses but it still does not glow any advice.

It is most likely the bulb behind the instrument cluster specifically for the speedometer are. You must remove the cluster and replace the bulb. If there is no bulb then you will need to replace the cluster. I would call the dealer prior to determine if they sell a bulb for your cluster.

Mar 18, 2016 | Cars & Trucks

1 Answer

The IOD is pulling 2 amps n draining battery over night. What can I do to correct the problem???

Testing for Battery Drain - Randy's Repair Shop
Instructions for measuring automotive battery current drain. ... Excessive current drainwill usually result in the battery running down overnight or within a few days. ... Many digital meters have a 2 amp internal fuse that may blow if multiple ... If pulling fuses and circuit breakers doesn't stop the current draw, you'll need to look ...

How do you trace a drain on the battery of your car with an ...

InstructablesApr 13, 2011 - I know this is an old question, but I that if the battery cable is not clean or .... I wish I could find one of those 14.4 Vdc 2 Amp solar chargers. ... be to pull a different fuse every night (not the ones which would require factory help ... As others have pointed out, the LED will not drain a good car battery overnight.

Diagnosing A Car Battery That Runs Down

Jan 05, 2016 | Cars & Trucks

1 Answer

How do you replace the speedometer cable in a 1998 chevy tracker

Removal Procedure
  1. Remove the instrument cluster assembly. Refer to Instrument Cluster Replacement .
  2. Unhook the speedometer cable from the heater case.
  3. Remove the grommet from the bulkhead.
  4. Feed the speedometer cable through the bulkhead.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Unscrew the speedometer cable (1) from either the transfer case or the transmission. Remove the speedometer cable (1) from either the transfer case or the transmission. Remove the speedometer cable (1) from the clamp. Remove the speedometer cable (1) from the vehicle.
Instrument Cluster Replacement
Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.
Disconnect the negative battery cable. Remove the hazard lamps switch by gently pulling the knob straight up. Remove the instrument cluster bezel from the instrument panel. Refer to Instrument Panel Cluster Trim Plate Bezel Replacement . Remove the 4 screws and pull the instrument cluster assembly forward from the instrument panel. Disconnect the 3 electrical connectors. Remove the speedometer cable at the speedometer head. Remove the instrument cluster assembly from the vehicle.
Remove the 5 screws (2) and the steering column upper and lower covers (1, 3).
Remove the 4 screws and the instrument cluster bezel from the vehicle.

Jun 17, 2015 | 1998 Chevrolet Tracker

1 Answer

Speedometer doesn't work every time the instrument cluster light is on. I tried covering up the sensor with no avail

Its a connection problem. Also the sensor system in you blazer could be worn out. Too expensive to fix. Get a Garmen GPS. It tells you your current speed and all that other good stuff. Highly recomend.

Oct 09, 2014 | 2001 Chevrolet Blazer

1 Answer

How do I change the bulb behind the speedometer on the dashboard?

Remove the instrument cluster

Try googling the question or You Tube Video
to see how

Oct 02, 2014 | 2008 Mercury Sable

1 Answer

Is it safe to drive my 2004 mercury mountaineer without fuse #15

your cluster is another name for your insturment panel speedometer etc no it will not hurt your vehicle but your gauges or your warning lights will not work

Oct 31, 2012 | Mercury Cars & Trucks

2 Answers

800 ma current drain when parked, drops to almost 0 when i unplug the instrument cluster, could it be something inside the cluster causing the fault

There is a back up on the clock and the memory to the audio system which can casue this drain, So if there is malfunction on this circuit it can cause draining of the battery. Ideally there is only a trickle drain for the back up.
Also check the remote locking system and the alarm circuit as they are always on circuit.

Jul 05, 2011 | 2000 Plymouth Grand Voyager

1 Answer

Instrument cluster removal 1965 mustang

  1. Disconnect the battery cable.
  2. Disconnect the speedometer cable from the speedometer head.
  3. Remove the six screws retaining the instrument cluster assembly to the instrument panel and tilt the cluster forward.
  4. Disconnect the wiring and the bulb sockets and remove the cluster assembly. NOTE: All individual instruments may be removed and serviced at this time. To install:
  5. Position the cluster and connect the wiring and bulb sockets.
  6. Install the instrument cluster assembly to the instrument panel with the six retaining screws.
  7. Connect the speedometer cable and the battery cable.
  8. Check the operation of all gauges, lights, and signals.

Jun 25, 2009 | 1965 Ford Mustang

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