Question about 1990 Cadillac Eldorado

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Instrument cluster illuminates intermittently on 1990 eldorado

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If this is the analog intrument cluster and the entire instrument cluster is intermittently losing illumination, remove the instrument cluster light fuse and replace it with a new fuse. It is remotely possible that the actual fuse holder wires have broken due to age and would need to be soldered back together.
If this is the digital instrument cluster and the entire display is going dead, it could be anything from the wiring harness to the BCM. If it is the digital instrument cluster, I can really only recommend taking it to a reputable shop or Cadillac dealer to service.

Posted on Dec 21, 2016

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Posted on Jan 02, 2017

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What is the fuse number for the dashboard lights on a 2007 Ford Focus 3 door hatchback?


Principles of Operation
The instrument cluster and panel illumination consists of dimmable and non-dimmable illumination components. The dimmable illumination is controlled by the instrument panel dimmer switch, which allows the brightness level of the backlights to be adjusted to the customer preferences. With the parking lamps ON, the instrument panel dimmer switch uses electronic circuitry to provide a variable pulse width modulated (PWM) output to the instrument panel and all applicable switches depending on the driver-controlled level of intensity. The headlamp switch backlighting consists of 2 constantly illuminated LED bulbs that are powered by separate circuits. Battery voltage is supplied to the first bulb when the ignition switch is in the RUN position. Battery voltage is supplied to the second bulb with the parking lamps ON. The non-dimmable illumination allows for full intensity dependant on the ignition switch position.

Inspection and Verification
  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical or electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Headlamp switch
  • Instrument panel dimmer switch
  • Circuitry
  • Connector(s)
  • Headlamp switch
  • Instrument panel dimmer switch
  • Illumination source(s)

  1. If an obvious cause for an observed or reported concern is found, correct he cause (if possible) before proceeding to the next step.
  1. If the cause is not visually evident, verify the symptom and GO to Symptom Chart .

Symptom Chart
Symptom Chart Condition Possible Sources Action
  • The control illumination is inoperative
  • Headlamp switch
  • Circuitry
  • Go To Pinpoint Test A .
  • The instrument cluster illumination is inoperative
  • Circuitry
  • Instrument cluster
  • Go To Pinpoint Test B .
  • The climate control panel illumination is inoperative
  • Circuitry
  • Climate control panel
  • Go To Pinpoint Test C .
  • The audio unit illumination is inoperative
  • Circuitry
  • Audio unit
  • Go To Pinpoint Test D .
  • The transmission control lever illumination is inoperative
  • Circuitry
  • Transmission control lever illumination bulb
  • Go To Pinpoint Test E .
  • The hazard warning switch illumination is inoperative
  • Circuitry
  • Hazard warning switch
  • Go To Pinpoint Test F .
  • The traction control switch illumination is inoperative
  • Circuitry
  • Traction control switch
  • Go To Pinpoint Test G .
  • The window control switch illumination is inoperative
  • Circuitry
  • Window control switch
  • VERIFY the operation of the window control switch in question. If the window control switch is inoperative, REFER to Section 501-11 . If the window control switch operates correctly, INSTALL the new window control switch in question. REFER to Section 501-11 .
  • The instrument panel illumination does not dim
  • Headlamp switch
  • Circuitry
  • Go To Pinpoint Test H .

Pinpoint Test B: The Instrument Cluster Illumination Is Inoperative
Normal Operation A variable pulse width modulated (PWM) voltage is supplied to the instrument cluster through circuit 29S-LA31 (OG/BU). The instrument cluster is grounded through circuit 91-GG14 (BK/OG).
    Possible Causes
  • circuit 29S-LA31 (OG/BU) open
  • circuit 91-GG14 (BK/OG) open
  • instrument cluster
PINPOINT TEST B: THE INSTRUMENT CLUSTER ILLUMINATION IS INOPERATIVE CAUTION: Use the correct probe adaptor(s) when making measurements. Failure to use the correct probe adaptor(s) may damage the connector.

Sep 24, 2017 | Ford Cars & Trucks

1 Answer

2007 mercury mountaineer wrench light lit. what is that mean?


Wrench Warning Indicator (Base Instrument Cluster)
The instrument cluster receives the powertrain status from the PCM over the HS-CAN. When a powertrain system concern is detected, the PCM sends the instrument cluster a command signal to illuminate the wrench warning indicator. If the 4WD control module detects a failure with the 4WD drive system, the 4WD control module sends a message to the instrument cluster over the CAN to illuminate the wrench warning indicator. On 4.6L engines, if the transmission control module (TCM) detects a failure with the transmission, the TCM sends a message to the instrument cluster over the CAN to illuminate the wrench warning indicator.

It means a trip to the dealer or some other qualified repair shop .

May 21, 2017 | Mercury Cars & Trucks

1 Answer

2006 wrench light is on


Powertrain Malfunction (Wrench) Warning Indicator (base instrument cluster)
The instrument cluster receives the powertrain status from the PCM over the high speed CAN. When a powertrain system concern is detected, the PCM sends the instrument cluster a command signal to illuminate the powertrain malfunction (wrench) warning indicator. If the 4WD control module detects a failure with the 4WD drive system, the 4WD control module sends a message to the instrument cluster over the CAN to illuminate the powertrain malfunction (wrench) warning indicator. On 4.6L engines, if the transmission control module (TCM) detects a failure with the transmission, the TCM sends a message to the instrument cluster over the CAN to illuminate the powertrain malfunction (wrench) warning indicator.
better have it checked !
Bett

Sep 10, 2016 | 2006 Mercury Mountaineer AWD

1 Answer

Fuse box place for dashlights on ford escape 2008


Principles of Operation
The instrument cluster sends a signal to the instrument panel dimmer switch. The instrument cluster provides a variable pulse width modulated (PWM) signal to the dimmable backlighting components in accordance with the position of the instrument panel dimmer switch.
  • The instrument cluster illumination is inoperative
  • Instrument cluster
  • INSTALL a new instrument cluster. REFER to Section 413-01 . TEST the system for normal operation.
SJB -location below center of instrument panel
Inspection and Verification
  1. Verify the customer concern.
  1. Visually inspect the following for obvious signs of mechanical or electrical damage.

    Visual Inspection Chart Mechanical Electrical
    • Instrument panel dimmer switch





    • Smart junction box (SJB) fuse(s):
      • 7 (10A)
      • 15 (30A)
    • Circuitry
    • Illumination bulbs
    • Instrument cluster
    • SJB

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1 Answer

How do I replace dash light bulbs on a 2007 Ford Escape?


What lights are not working ? The instrument cluster illumination is inoperative or all the lights ,radio , heater control head, all the switches that would be back lighted.
  • The climate control panel illumination is inoperative , The passenger door lock control switch illumination is inoperative. Could need new dimmer switch , new instrument cluster. When installing a new instrument cluster, it is necessary to upload the module configuration to the scan tool. Following installation of the new instrument cluster, download the module configuration from the scan tool into the new instrument cluster. Refer to Section 418-01 .
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    1 Answer

    Where is the instrument panel relay located?


    There is no relay for the instrument panel. The dash lights and interior lights have fuses. The instrument panel itself is illuminated by the Central Power Module.

    Jul 11, 2014 | 1990 Oldsmobile Toronado

    1 Answer

    1997 cadillac eldorado instrument cluster removal


    remove ac vents with flat head screwdriver . thair should be a 7mm bolt in each vent holding tha dash pad on remove them. remove the trim going to head liner from the dash pad. use a 7mm to remove the bolts holding the cluser in place should be one each side and 3 across the back . disconnect the wiring harness and your done. also disconnect the negative batery cable when doing this

    Feb 15, 2010 | 1997 Cadillac Eldorado

    1 Answer

    Dash lights in '90 cadillac seville not working


    Most likley the instrument dimmer switch and that is part of the headlight switch, try wiggling it to get them on.

    Feb 03, 2010 | 1990 Cadillac SeVille

    1 Answer

    Gluster gauge won't illuminate


    Hello hayeizmyhome...Very low mileage for a 1990 model. However... this is usually around the mileage interval the dreaded instrument cluster, panel and dash light failures start...lights will flicker, then go out, gauges will start going up and down, lcd's will become hazey and hard to read....etc.
    The instruments are illuminated both day and night while the ignition is on.
    When the ignition is off, the panel goes dark and you can’t see the gauges at all.
    The lexus has an electronic circuit board behind the inst. cluster that has been the problem. Very expensive repair if done by dealer.
    *TIP* This circuit board can be repaired if you know a good electrical technician much cheaper.
    The recommended timing belt replacement interval on the LS is 120k...water pump should be replaced also, the timing belt runs the water pump. The LS has a non-interference engine, meaning if the belt breaks, no damage will be done to the engine...
    Hope this answers your questions..and your lexus runs for many more miles...with proper care and maintainnace, it will.

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    Instrument Panel Cluster stopped working


    U ARE GOING TO HAVE TO PULL THE INSTRUMENT CLUSTER OUT AND SEND THE ENTIRE UNIT IN FOR REPAIR AT AN AUTHORIZED GM DIDGITAL DASH REPAIR CENTER, YOUR DEALER CAN SUPPLY THRE NAME AND PHOMNE NUMBER, THIS IS NOT A FUSE PROBLEM.

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