If you pull the cluster, there are a couple of twist in lights behind the speedo. Just replace the one that is out and you will be fine. Cheap at the dealer, about a buck. Greg W. In a message dated 2/9/2006 7:44:22 A.M. Pacific Standard Time, phuber_1 at charter.net writes: I have an 89 90 Q & need to replace a speedo light any one have any insight on this