Join Date: Dec 2006
Location: Plano, TX
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Does anything in the instrument cluster light up? In other words does the seat belt light or ebrake light, or other warning lights come on when you first turn the key on?
If not did you check the instrument cluster fuse?
ok if your A/C control back lights work, and you can control the brightness with the dimmer switch, then you have power. The back lights in the cluster are controlled by the same circuit. So either there is a wiring issue to the cluster, or could be the bulbs as you said, or could be the control board in the cluster is damaged.
Did they all these lights go out at the same time?
You said the tach and speedo back lights don't work. So are the fuel gauge and coolant temp gauge back lights working?
Next step would be to test the connector/pin that provides power to those lights in the cluster. This way you determine if the issue is wiring or internal to the cluster. Do you have a test light or multimeter?
You can find which connector to test in the manual or on hmaservice.com, or if you don't know where to look, i can post the location for you.
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