Question about 1996 Pontiac Grand Am

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Instrument cluster going nuts - 1996 Pontiac Grand Am

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Possibly bad altenator or bad rgulator inside the altenator. suggest you have it checked for under or overcharging. hope this helps!!

Posted on Oct 05, 2010

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Posted on Jan 02, 2017

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On a2000buick century odometer not working


You would need to take it to the dealer or someother qualified repair shop that has the diagnostic tool to check for DTC'S - diagnostic trouble codes in the instrument cluster .
DTC B0570 Season Odometer Malfunction

The instrument cluster receives a vehicle speed input from the vehicle speed sensor (VSS) over the Class 2 line. This signal is used in order to drive the speedometer and the odometer of the instrument cluster. The instrument cluster will compare the VSS data with a 16-point look-up table in order to determine needle deflection. A smooth filter is used in order to secure a continuous response. The season odometer displays the total accumulated kilometers (miles) of the vehicle. This value is permanently stored in the Electronically Erasable Programmable Read Only Memory (EEPROM) of the instrument cluster. The trip odometer displays the accumulated kilometers (miles) to the tenths of a kilometer (mile) since the last reset. This value is stored in Keep Alive Memory (KAM) of the instrument cluster.

Test Description
The numbers below refer to the step numbers on the diagnostic table.
Always perform the Instrument Cluster Diagnostic System Check before attempting to diagnose this DTC.
This diagnostic procedure requires using a scan tool.
This repair procedure requires instrument cluster replacement.
Step
Action
Value(s)
Yes
No
1
Did you perform the Instrument Cluster Diagnostic System Check?
--
YES - Go to Step 2
NO - Go to Diagnostic System Check - Instrument Cluster
2
Using a scan tool, clear the instrument cluster DTC and retest for DTC B0570.
Does DTC B0570 reset?
--
Go to Step 3
Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.1L or Powertrain On Board Diagnostic (OBD) System Check in Engine Controls - 3.8L
3
Replace the instrument cluster. Refer to Instrument Cluster Replacement .
Is the repair complete?
--
System OK
Go to Diagnostic System Check - Instrument Cluster
© 2017 General Motors Corporation. All rights reserved.

Feb 27, 2017 | 2000 Buick Century

1 Answer

What is the location of fuse for speedometer on 2o04 ford explorer


Speedometer The instrument cluster receives the vehicle speed sensor (VSS) signal from the powertrain control module (PCM) through the standard corporate protocol (SCP) communication network. The instrument cluster monitors the VSS input from the PCM and commands the speedometer with a corresponding movement of the pointer.
  • The speedometer/odometer is inoperative
  • Circuitry.
  • Powertrain control module (PCM).
  • Instrument cluster.
  • Go To Pinpoint Test L .
PINPOINT TEST L: THE SPEEDOMETER/ODOMETER IS INOPERATIVE Test Step Result / Action to Take L1 RETRIEVE THE RECORDED DTCS FROM BOTH CONTINUOUS AND ON-DEMAND INSTRUMENT CLUSTER SELF-TESTS
  • Use the recorded instrument cluster DTCs from the continuous and on-demand self-tests.
  • Are any instrument cluster DTCs recorded?
Yes
If instrument cluster U1123 is retrieved, REFER to Powertrain Control/Emissions Diagnosis (PC/ED) manual to continue diagnosis.

For all other instrument cluster DTCs, REFER to the Instrument Cluster Diagnostic Trouble Code (DTC) Index.

No
For inoperative speedometer, GO to L2 .

For inoperative odometer, GO to L3 . L2 CARRY OUT THE SPEEDOMETER ACTIVE COMMAND USING THE DIAGNOSTIC TOOL
  • Connect the diagnostic tool.
  • Key in ON position.
  • Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Active Command.
  • Select the instrument cluster speedometer active command.
  • Trigger the speedometer and scroll in increments of 10% while monitoring the speedometer. The speedometer should increase in increments of approximately 20 km/h (12 mph) for each 10% change.
  • Does the speedometer increase within specifications?
Yes
REFER to Powertrain Control/Emissions Diagnosis (PC/ED) manual to continue diagnosis.

No
GO to L4 . L3 MONITOR THE INTEGRATED CIRCUIT DISPLAYS
  • Key in ON position.
  • Monitor the compass, air temperature and message center functions of the integrated circuit display.
  • Do the compass, air temperature or message center displays operate correctly?
Yes
GO to L4 .

No
Go To Pinpoint Test AE . L4 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
  • Disconnect all instrument cluster connectors.
  • Check for:
    • corrosion
    • pushed-out pins
  • Connect all instrument cluster connectors and make sure they seat correctly.
  • Operate the system and verify the concern is still present.
  • Is the concern still present?
Yes
INSTALL a new instrument cluster. REFER to Instrument Cluster in this section. TEST the system for normal operation.

No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test. There isn't a fuse just for the speedometer , there are four fuse for the whole instrument cluster . If one of these fuse's were burnt you would have more then just the speedometer not working ! You need to have a scan tool to find out what is up ! you could need a new cluster ! Is the check engine light on ? if not wouldn't think vehicle speed sensor bad , besides speed info for speedometer PCM uses for transmission shift points ! Good luck ,hope this helps !

Mar 17, 2015 | Ford Cars & Trucks

1 Answer

DASHBOARD LIGHT WONT WORK 63 MERCURY MONTEREY BREEZWAY


You probably need to pull the instrument cluster out and replace the illumination bulbs from the backside of the instrument cluster. All the bulbs back there are likely all the same ( your illumination and warning bulbs), so change them all. Happy motoring!
How to get the cluster out? Look for screws to remove. Get any bezel or trim plates out of the way. Check for screws again, cluster should pull out a few inches, then reach behind and unclip the speedo cable from back of cluster, then pull off the electrical plug from back of cluster. Now should be able to remove the cluster. Hopefully your steering wheel will allow cluster to be removed, but if not, take off the steering wheel's center nut, the pull off the steering wheel-sometimes a steering wheel puller is required-an inexpensive tool available at parts store.

Of course, before doing all this, check for a blown instrument panel fuse-something like instr. lmps, or instr pnl designation.
Good luck.

Mar 19, 2013 | Ford Cars & Trucks

1 Answer

I'm having high RPMs and my speedometer is going crazy when I'm sitting still in park or while I'm driving and I just noticed that my mileage increases while I'm in park too. I know I need a tune up b


instrument cluster is bad or board is cracked indicated by multiple issues if it where just the speedo going nuts i would say a speed sensor but in your case the instrument cluster i think will solve your issue

Dec 10, 2012 | Cars & Trucks

1 Answer

No pwer at all going to driving light nor the instrument cluster, starter turns but it won't turn on .and on the fuse block some of the fuses have no power running to them .the fuses are still good


Sounds like you have a power drain (small-amperage short) in the wiring going to your instrument cluster. The short has disabled some of your instrument cluster lights, but, since is has high resistance, it has not blown a fuse (since it draws to few amps). Once the current drain has wasted enough amperage, there's not enough left in the battery to start the car.
Phase 1: Interim solution: (1) charge the battery with your battery charger (if you don't have a battery charger, attach the battery with jumper cables to the battery in a running car - its alternator will charge your battery).
(2) pull the fuse(s) to the instrument cluster, thus killing power to the short.
(3) start and use you car without instrument cluster lights until you can move
to phase 2 of your repair. If you're not sure that you've killed power to the short, disconect the battery each time you stop the engine.
Phase 2:
(1) isolate the problem (the short) to one specific fuse, meaning one specific branch circuit in the car.
(2) trace the wiring from the fuse block to the instrument cluster, looking for
burn marks, bare wires (all wires should be insulated), or anything touching
a frame ground. Also look for moisture iintrusion - water can cause these types of high resistance "shorts" - with the symptom that the problem disappears after the water dries up.
(3) correct wiring problem found in step 2, plug in fuse. done
(4) if replacing instrument cluster, use instructions below.

1995-99 Models

See Figure 4
Fig. 4: Common instrument cluster found in 1995-97 "S" series Pick-ups.
(see illustration at end of message)

1. Disconnect the negative battery cable.
2. Remove the sound insulators/trim panels.
3. If necessary for access, unfasten the steering column nuts and if necessary, the bolts at the lower flange, then lower the column for access.
4. Unfasten the instrument cluster bezel screws located at the lower edge of the bezel. If no screws are present, then remove the bezel by pulling it straight out.
5. Unfasten the four screws retaining the instrument cluster to the instrument panel, unplug any necessary cluster electrical connections, then remove the cluster.

To install.
6. Install the cluster to the instrument panel making sure the cluster is firmly seated onto the connector, attach any necessary electrical connections and tighten the cluster fasteners to 17 inch. lbs. (1.9 Nm).
7. Install the instrument cluster panel bezel by snapping it into position, then if equipped, install the screws along the bottom of the bezel.
8. If lowered, re-position the steering column and tighten retaining nuts to 22 ft. lbs. (30 Nm) on 1995 models. On 1996-99 models tighten the nuts to 20 ft. lbs. (27 Nm). If removed, tighten lower flange bolts to 120 inch lbs. (13 Nm).
9. Install the sound insulators/trim panels.
10. Connect the negative battery cable.

9_30_2011_9_51_04_pm.jpg

Sep 26, 2011 | 1996 Chevrolet Blazer

1 Answer

Need to remove heater A/C dash control , what is proper procedure?


Look at fig. 4 for the heater a/c dash control: HEATER CORE Altima REMOVAL AND INSTALLATION
  1. Position the steering wheel in the straight-ahead position.
  2. Turn the ignition switch OFF.
  3. Disconnect the negative (() battery cable; then, the positive (+) battery cable. NOTE: Wait for a least 3 minutes after disconnecting the battery cables for the charge in the air bag circuit to dissipate before working on the air bag module(s).
  4. Remove the driver's side SRS and steering wheel by removing or disconnecting the following:
    • Lower lid from the steering wheel and disconnect the driver's air bag module connector
    • Left and right side lids from the steering wheel
    • Special bolts from both side of the steering wheel using a tamper resistant Torx wrench (T50)
    • Air bag module and store it face up
    • Horn's electrical connector and remove the steering wheel nut
    • Steering wheel from the steering column using a suitable puller
  5. Remove the passenger's side SRS by removing or disconnecting the following:
    • Glove box door and the glove box
    • Front passenger's air bag module connector
    • 2 special bolts using a tamper resistant Torx wrench (T50)
    • 4 passenger's air bag-to-instrument panel nuts
    • Front passenger's air bag module and store it face up.
  6. Drain the cooling system into a clean container for reuse.
  7. Discharge and recover the air conditioning system refrigerant.
  8. Working in the engine compartment, disconnect the heater hoses from the heater core tubes.
  9. Remove the instrument panel by removing or disconnecting the following:
    • Kick plate and dash side finisher on the driver's side
    • 2 lower panel-to-instrument panel screws and the lower panel on the driver's side
    • 2 lower reinforcement panel-to-instrument panel screws and the lower reinforcement panel
    • 6 steering column cover screws, the covers, the spiral cable and combination switch
    • 2 cluster lid "A" screws and the cluster lid "A"
    • 3 combination meter screws, disconnect the electrical harness connector and remove the combination meter
    • Switch panel
    • Instrument panel lower covers
    • Snap out the transmission shifter finisher (boot)
    • 4 cluster lid "C" screws and the cluster lid "C"
    • 4 audio and deck pocket-to-instrument panel screws and the audio and deck pocket
    • 5 center console screws and the center console
    • 2 center instrument panel screws and the center panel
    • front defroster grilles
    • Front pillar garnish
    • Instrument panel 3 nuts/4 screws and the instrument panel
    • 8 instrument stay assembly nuts and the stay
    • Steering member assembly 5 nuts/1 bolt and the steering member
  10. Remove the air conditioning housing assembly by removing or disconnecting the following:
    • Refrigerant lines from the air conditioning housing assembly
    • Thermo control amp
    • Air conditioning housing assembly
  11. Remove or disconnect the following:
    • Heater unit
    • Heater core from the heater unit Fig. 1: Exploded view of the steering wheel and air bag module 93112gd9.gif
      Fig. 2: Exploded view of the passenger's side air bag module 93112gd0.gif
      Fig. 3: Exploded view of the instrument panel assembly 93112ge1.gif
      Fig. 4: Exploded view of the heater housing assembly and related components 93112ge2.gif
      Fig. 5: View of the heater core and heater housing 93112ge3.gif
    To install:
  12. Install or connect the following:
    • Heater core to the heater unit
    • Heater unit
  13. Install the air conditioning housing assembly by installing or connecting the following:
    • Air conditioning housing assembly
    • Thermo control amp
    • Refrigerant lines to the air conditioning housing assembly
  14. Install the instrument panel by installing or connecting the following:
    • Steering member assembly and the steering member 5 nuts/1 bolt
    • Instrument stay assembly and the 8 stay nuts
    • Instrument panel and the instrument panel 3 nuts/4 screws
    • Front pillar garnish
    • Front defroster grilles
    • Center instrument panel and the 2 center panel screws
    • Center console and the 5 center console screws
    • Audio and deck pocket and the 4 audio and deck pocket-to-instrument panel screws
    • Cluster lid "C" and the 4 cluster lid "C" screws
    • Snap in the transmission shifter finisher (boot)
    • Instrument panel lower covers
    • Switch panel
    • Combination meter, connect the electrical harness connector and install the 3 combination meter screws
    • Cluster lid "A" and the 2 cluster lid "A" screw
    • Combination switch, the spiral cable, the covers and the 6 steering column cover screws
    • Lower reinforcement panel and the 2 lower reinforcement panel-to-instrument panel screws
    • Lower panel and the 2 lower panel-to-instrument panel screws, on the driver's side
    • Kick plate and dash side finisher, on the driver's side
  15. Working in the engine compartment, connect the heater hoses to the heater core tubes.
  16. Install the passenger's side SRS by installing or connecting the following:
    • Front passenger's air bag module
    • 4 passenger's air bag-to-instrument panel nuts
    • 2 new special bolts and torque using a tamper resistant Torx wrench (T50) to 11-18 ft. lbs. (15-25 Nm)
    • Front passenger's air bag module connector
    • Glove box door and the glove box
  17. Install the driver's side SRS and steering wheel by installing or connecting the following:
    • Steering wheel to the steering column
    • Steering wheel nut and torque the nut to 22-29 ft. lbs.
    • Horn's electrical connector
    • Air bag module
    • New special bolts to both sides of the steering wheel and torque the bolts using a tamper resistant Torx wrench (T50) to 11-18 ft. lbs. (15-25 Nm).
    • Both the left and right side lids to the steering wheel
    • Lower lid to the steering wheel and connect the driver's air bag module connector
  18. Refill the cooling system.
  19. Connect the positive (+) battery cable; then, the negative (() battery cable.
  20. Evacuate, charge and leak test the air conditioning system refrigerant.
  21. Operate the engine to normal operating temperatures; then, check the climate control operation and check for leaks.

Nov 19, 2010 | 2002 Nissan Sentra

1 Answer

I have a f-150 ford super cab automatic transmission that has a sloppy shifter. the indicator does not show actually what gear it is in. how to fix and how to get to the problem.


If you are talking about the indicator for (PRNDL) section of your instrument cluster, then, remove the instrument cluster bezel (trim) look at the bottom of the cluster you will see a small cable that goes in at the bottom next to the (PRNDL) display, the cable has a threaded nut on the end of it, adjust this nut to correct its position while in Park. You may need to remove the cluster to adjust, if so remove the screws around the outside of the cluster, and lift out. The other end of this cable is a loop that is placed over a lever connected to the shift lever this end is non adjustable. Hope this helps, let me know.

Aug 04, 2010 | Ford F-150 Cars & Trucks

2 Answers

Instrument cluster keeps going off and on. i have


Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Silverado instrument cluster repair
Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Yukon instrument cluster repair

Jul 25, 2010 | 2002 GMC Yukon XL

1 Answer

Gauges going nuts


faulty stepper motors on the instrument cluster circuit board. replace stepper motors for around 40 dollars urself or pay dealership around 500 for new instrument cluster. click this link
http://www.naioa.com/v2/modules.php?name=Forums&file=viewtopic&t=28085&highlight=

problem occurs with all 03-06 GM vehicles.

Feb 25, 2009 | 2005 Chevrolet Impala

1 Answer

86 IROC heater core


Removal & Installation
1.Disconnect negative battery cable. Drain cooling system. Disconnect heater hoses from heater core, and plug openings. Detach hood release cable. Remove both dash side panels. Remove left and right lower dash trim panels. Remove glove box. Remove 7 screws securing center accessory console. Disconnect wires on accessory console, and remove accessory console. Remove control cables at heater case.

2.Remove 4 bolts securing steering column to instrument panel. Lower steering column. Remove 2 bolts from instrument panel mounts at far left and right sides of instrument panel. Remove defroster duct trim on top of dash. Remove instrument cluster screws. Pull instrument cluster out slightly. Disconnect electrical connections and speedometer cable from instrument cluster. Remove instrument cluster.

3.Disconnect all electrical connectors from instrument panel. Remove parking brake console. Remove glove box. Remove bolts securing instrument panel support to floorpan. Remove all instrument panel mounting bolts. Remove instrument panel.

4.Separate heater case from blower. Remove 3 nuts and pull heater

Dec 06, 2008 | 1986 Chevrolet Camaro

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