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.
I just installed a 2003 cluster into my 2000 and I had the same thing. Just pull the cluster out, look at the back and you will see the LED buld with "Security" beside it. Twist and pull. I use mine for my shiftlight now. Good luck.