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There isn't an odometer light on an Alero, the digital readout is a VFD (Vacuum Fluorescent Display) which is self illuminating. The reason your odometer is out is most likely a blown resistor/resistors or cold solder joints on a resistor. Do a web search for "odometer resistor" and you should find enough info to fix this yourself. Since yours is an Alero probably any gm (grand am, impala, malibu...)with a digital readout will have a similar fix. On your Alero, take the board off the back of the gauge cluster, there should be 3 resistors just to the left of the odometer display. They look like little brown rods about 1/4-3/8" long with silver ends. If any of them are burnt or missing that would be your problem. On my alero they are 180 ohm and probably 1 Watt or so. You can remove all three and replace them with one 60 ohm 5watt power resistor.

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12y ago
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Q: How do you replace the odometer light on a 2003 Alero?
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