Lights and gages on dashboard of my 2005 Pontiac Sunfire don't work! All lights work but the gages don't move

Asked by Mar 20, 2017 at 05:55 PM about the 2005 Pontiac Sunfire GT

Question type: Maintenance & Repair

I bought a 2005 Pontiac Sunfire and the
dashboard lit up and you could see the
milage and use trip but all the gages
don't work! The only way I knew I
needed gas was a check gages light
came on that mentioned almost out of
gas! Now nothing shows up! At the
junkyard every car I found the plastic
part you look at were thrown in the floor
or backseat so whatever the fix is it's
behind the face Gage piece! Help I'm
tried of being slow or to fast and
getting tickets! Help!!!

2 Answers

18,615

I have known of issues with this before few are exact and any and many symptoms can occur and 60% of the time its the ignition switch. The contacts within the switch fail and cannot carry the current for the circuits involved. Replacing the ignition switch should fix your problem. Otherwise a low battery voltage to fuse panel for other reasons, bad battery shorts ect. If you want to verify that the ignition switch is the bad part, use a voltmeter to check voltage at all of the fuses with the key in the ON position, or with the engine running. It would be best to test voltages when the problems exist with the gauge cluster acting up. You should see battery voltage on each of the fuses. If one or more of the fuses does not have full voltage, this is a good indication that the ignition switch is at fault.

18,615

And of course check all fuses under dash and hood and check for good grounds to frame from battery & motor. You may also have another fuse panel(smaller) on passenger side and also check computer connections and grounds tight. Check all connections and all ground wires for good wires and tight. If battery cables are corroded replace them.

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