Bulb Size? [Archive] - GrandAmGT.com Forum GrandAmGT.com Forum > GAGT - Technical - Sponsored by www.MilzyMotorSports.com > Technical Q&A > Bulb Size? PDA View Full Version : Bulb Size? BLkDOuTGT06-29-2007, 10:04 AMOn a 2000 Grand Am GT Coupe what is the bulb size in the 3rd brake light and in the foglight? Any answers are very much appriciated. Thanks!!! pyro06-29-2007, 10:57 AMSEARCH! (http://www.sylvania.com/ConsumerProducts/AutomotiveLighting/LampReplacementGuide/) 921 and 880 Sprucegagt06-29-2007, 11:46 AMAgreed! vBulletin® v3.7.2, Copyright ©2000-2017, Jelsoft Enterprises Ltd.