How to illuminate gauges?

[_o_OOOO_oo-Kanawha]

The SD40-2 that comes with Sherman Hill has a nice cab light but dark gauges.
The SD40-2 that comes with the BN, BNSF and CSX packs has lit gauges. It uses a different cab geo file and lots of different textures.

How can I illuminate the gauges on the SH SD40-2?

[PapaXpress]

Add a light gizmo with a small radius and have it aimed at the gauge.

[OldProf]

Add a light gizmo with a small radius and have it aimed at the gauge.

As someone who designed theatrical lighting for many years, I find this quite interesting because it follows theatrical practice. When you see a lighted lamp on stage, the bulb it contains is almost certainly of very low wattage and used only to indicate that the lamp has been turned on (something that is done from the control room, since no sensible lighting designer trusts an actor to control such things), but the actual illumination comes from a completely different source.