My 06 Colorado LT has some of the lighting in the instrument panel blown. The 4x4H, the skip button for the cd player, the 1 and 2 button for programming radio stations and the TRAF button. I was wondering if the instrument panel has replaceable blubs or is in a circuit board lighting system?
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Since it's highly unlikely all your instrument panel bulbs are blown (that usually only occurs if a faulty alternator puts out excessive voltage), it can be several things.
Have you checked your taillights and brake lights? Reason I say, many vehicles are designed to not illuminate the instrument panel lights if both taillights are out (a safety feature and tell-tale warning to the driver). If the taillights are ok, it may have a bad dimmer resistor for the inst panel lights, presuming the fuse that controls the dash lights is good. The other possibility is a faulty ground connection to the instrument panel circuit board or wire loom.
Here's how it should work: Power for the instrument panel comes from the 7.5A ECU-B fuse in the instrument panel junction box (I/PJB). A WHT/BLK wire from the instrument panel is grounded in that box. The I/PJB also contains a 5A WARNING fuse which is connected to the instrument panel by a RED/YEL wire. The 5A BKUP LAMP fuse supplies power on a RED/BLU wire to the vehicle speed sensor (combination meter) and a LT GRN wire from sensor is connected to the instrument panel. In addition, a LT GRN/RED wire from the instrument panel connects to the ECM. The YEL/GRN and RED/BLU wires from the instrument panel connect to the body ECU. There are three ground wires: two WHT/BLK and one BRN
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The 2006 Chevrolet Impala receives a 211-horsepower 3.5-liter V6 for the LS and LT trims, with a 242-horsepower V6 standard for the LTZ and optional for the LT. The Impala SS is powered by a 303-horsepower 5.3-liter small-block V8 with Displacement on Demand technology. Updated exterior styling includes new front and rear fascias, headlights, and taillights. Inside the 2006 Impala features flip-and-fold rear seats, new instrument panel that wraps into the door panels, and standard side-curtain airbags
Your dash light fuse is usually labeled instrument lights or inst. lts. on your fuse panel cover . It is important to note that the instrument light fuse is fed by the brake light fuse . So , make sure your brake lights are working properly first . If your brake light fuse is blown , your instrument lights will not work .
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 SwitchesInstrument ClusterRemoval & InstallationTo Remove:
Remove the instrument cluster trim plate.
Remove the instrument cluster mounting screws.
Rotate the instrument cluster rearward and lift up on the top of the cluster in order to disengage the locating pins.
Disconnect the electrical connectors from the instrument cluster.
Remove the instrument cluster.
Connect the electrical connectors to the instrument cluster.
Position the locating pins to the holes in the instrument panel.
Install the instrument cluster by rotating the top inward.
Remove the 5 mounting screws from the instrument cluster trim plate and remove the trim plate. Remove the 4 mounting screws from the instrument panel face plate and remove the face plate.Remove the instrument light grid from the center of the cluster. From behind the instrument cluster reach behind the speedometer and disconnect the speedometer cable by releasing the tab. Pull the cluster forward just enough to detach the "check engine" light bulb from the center of the cluster. Remove the instrument cluster from the dashboard.
Did you check the dimmer to switch? This is for a 2000 Honda Accord but this may help you:
If your instrument lights have burnt out on your 2000 Honda Accord.... You may have another problem!!! While the dealer fixes this recall, they should replace your burnt out bulbs.
2000 Honda Accord Recall ID from NHTSA: 04V256000 Auto Recall Date: 06/07/2004 Vehicle Component: INTERIOR LIGHTING Estimated Vehicles Affected: 19572 2000 Honda Accord Defect Summary: ON CERTAIN PASSENGER VEHICLES, THE DIMMER CONTROL FOR THE INSTRUMENT PANEL LIGHTS COULD FAIL DUE TO HEAT BUILDUP. Defect Consequence: IF THIS OCCURS, THE INSTRUMENT LIGHTS MAY FAIL AND, AT NIGHT, THE DRIVER MAY NOT BE ABLE TO SEE THE INSTRUMENT PANEL GAUGES, SUCH AS THE SPEEDOMETER. Remedy: DEALERS WILL REPLACE A MULTIPLEX CONTROL UNIT FOR THE INSTRUMENT PANEL LIGHTS. OWNER NOTIFICATION BEGAN JUNE 16, 2004. OWNERS SHOULD CONTACT HONDA AT 1-800-999-1009. Notes: AMERICAN HONDA MOTOR CO., P36