KDirk Posted December 6, 2012 Share Posted December 6, 2012 Anyone have a reliable source for replacement neo-wedge (twist base) micro lamps used to backlight the 1990/91 headlamp switch and climate control head? I have found outfits that sell LED replacements but would prefer the OEM incandescent ones as they do not "hot" spot like LED's do. To further complicate this, there are three different sizes. The "medium" size is used on the headlamp switch, and all three sizes are used on the climate control head. I had a few burned out, and have replaced them with used bulbs from spare switches/ECC's I had on hand but will need more spares eventually.The parts manual shows three bulb types for the ECC but I do not think they are all correct, based on the descriptions given. None are shown for the headlight switch, leading me to think GM expected to just sell a complete switch when the back lighting went bad. So, I have not bothered to contact the dealer (yet).KDirk Link to comment Share on other sites More sharing options...
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