Question about 1984 Oldsmobile Omega

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I have an 84 olds omega. The problem i am having is that when i start my car all the lights on my instrument cluster are not coming on, but they are supposed too. I have one light that is not coming on all the time when i start my car that is the charge light. It is supposed to come on evertime with all the other lights when i start the car to show that the lights are working. What would be the problem and how do i find it and fix it?

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Posted on Jan 02, 2017

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This problem can be three things. The ignition switch is a good place to start but its under a recall and you should not spend any money on this repair. The passlock system next to ignition switch should probably be changed at the same time and is also under a recall. The instrument cluster is the most probable in your case. The reason i say that is because the key is the headlights not turning on you may also have some lights on the instrument cluster flickering on and off at weird times.The speedometer or other gauges are probably not working all the time. if you are handy you can remove the cluster and send it out for repair. The tech who repairs this might even tell you that the instrument cluster has nothing to do with non start issue but it does. the passlock anti theft reads the ignition key when you insert it into ignition cylinder. Once you turn the key the ignition sends a signal through the instrument cluster to the pcm. the pcm will allow the car to start if the correct signal is recieved. If the pcm recieves no signal it allows the car to start for a second and then kills the car.

Posted on Oct 30, 2008

Testimonial: "i changed the instrument cluster and yes this was the issue.. its great... thanks.."

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SOURCE: sometimes instrument light don't come

Might be the ignition switch. Pretty easy to switch out. Mine went bad and the dash lights would not come on for abot 20 seconds.

Posted on Jan 11, 2009

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SOURCE: instrument panel and ac will blink off randomly while driving or when you crank the car the these come on after a delay period

we checked.....the fuses, all of the wires from the instrument panel, and the grounds from the cluster connection to the fuses and all seemed to be normal. We couldn't find the main master ground, but all of the wires from the cluster seemed to be grounded correctly. We think the problem has to be the custer going bad. it has 126000 miles on the instrument panel. We have another ordered, but only because that is the last resort to fixing the problem. I know it is a weird temp fix, but my husband found a mild tap on top seems to jolt it just enough to make it start working again for a short while until the new cluster arrives.

Posted on May 26, 2009

SOURCE: security light comes on and car doesn.t start

try another key. if this doesnt work the wire in the tumbler assembly most likely broke and you will need it replaced. ( Ignition Switch)

Posted on Jul 18, 2009

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SOURCE: starts shuts off all lights on instrument panel when finaly start

Sounds like you have a wiring short sometimes grease and dirt corrode the wiring under the hood examine all the wiring under hood ex specially any wiring next to exhaust and under motor.

Posted on Sep 23, 2009

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2003 sentra Nissan. Trouble starting, engine has died while I was driving, it did start back up. Today speedometer, engine temp,etc showed nothing? Battery is 5 months old? What could be wrong?

Nothing working on the instrument cluster ? Shouldn't be a battery problem with being only five months old. Turn on the headlamps , do they shine bright ? Does the check engine light come on when you turn the key to the on position ? Do all warning lights come on with the key on , then some go off after a few seconds ? Checking for diagnostic trouble codes in the instrument cluster would be a good thing to do also . The Instrument cluster could be the problem .

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All my gauges just quit working. car still runs fine. they done this 2 or 3 times but would always start again. this time have not come back on. turn signals and dash lights work just no gauges.

At the moment, your instrument cluster maybe faulty? Due the basic tests, try to be sure. Check for applicable trouble codes relating to instrument cluster--pcm--communication codes. Some of the national brand auto stores in this country may check codes for free, if there are any.
Check voltage and ground circuits for the instrument cluster. The sending units for gages are wired to pcm then the pcm sends serial data to instrument cluster telling instrument cluster what to do with gages. If you want to check gage sending units, that's ok.

If you have a scanner that can communicate with instrument cluster, you can get instrument cluster to do a self-test. The self-test, the instrument cluster will turn warning lamps on and off, sweep gages w/o outside data input. The instrument is considered good, if it passes that test, if not, the instrument cluster is considered faulty.

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If you have a chipped key with a transponder you might find like the vw the clocks have to be programmed to the cars ecu as the car won't start part of the immobiliser system

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You will have to replace the light bub within the instrument cluster. First remove the instrument cluster cover (two bolts at the top 7 mm) then remove the 4 bolts securing the cluster to the instrument panel (7 mm) and you should be able to pull out the cluster, disconnect the three wire harnesses with a screwdriver, your light bulb is at bottom, twist to remove your old and twist to install the new.

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Try to remove the instrument panel and disconnect the harness to see if doing that gets rid of the blown fuse when starting the car. If it does, then the instrument panel should be replaced with another. If the fuse still blows when starting, then there is a wire shorted to ground somewhere.
Instruments and Switches Instrument Cluster Removal & Installation To Remove:
  1. Remove the instrument cluster trim plate.
  2. Remove the instrument cluster mounting screws.
  3. Rotate the instrument cluster rearward and lift up on the top of the cluster in order to disengage the locating pins.
  4. Disconnect the electrical connectors from the instrument cluster.
  5. Remove the instrument cluster.
To Install:
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  2. Position the locating pins to the holes in the instrument panel.
  3. Install the instrument cluster by rotating the top inward.
  4. Install the mounting screws.
  5. Install the trim plate.
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the 3.5 to 5 volt signal is a reference signal generated by the ECM. I believe the current runs through the check engine bulb before it comes to that particular connector. what you need to do is perform a instrument cluster bulb test by turning the ignition switch in between run and start. in other words you pretend like you're going to crank the motor but you don't turn the ignition switch all the way to where it actually starts cranking in the engine. just before the switch engages the starter of your instrument balls should light including the check engine light bulb. it does not light you need to pull the instrument cluster in replace the bulb, it is probably burned out. good luck .

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Hello frumento, Your are describing an advance cluster failure. I have repaired many GM instrument clusters and see your issue come to my shop on a regular basics.
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Call dealership and find out if it's a "PMI" system. If it has to be PMI'd at the dealership, then the old instrument cluster has all the old data in it. You have to remove all of the data from the old instrument cluster and put it in the new cluster before the car will run.

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