When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Not sure if this helps, or if this might solve the OP's problem with the illumination. I thought I would post this for the archive. This seems to effect cars made before 1994-1996 (possibly 964 too). I don't have a way to test or verify this information, but it was published by Porsche. Use at your own discretion.
__________________ SuncoastParts.com Your #1 Source for Genuine Porsche Parts and Accessories on the Web!