GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Regal 🢒 Body and Accessories 🢒 Data Link Communications 🢒 Data Link Connector Schematics
Figure 1:

Cell 50: Class 2 Serial Data Link
Object Number: 349106 Size: FS
Cell 50: Entertainment and Comfort Serial Data Link
Data Link Communications Circuit Description
Cell 11: RADIO-HVAC RFA CLUSTER CEL TEL, BCM PWR, INADV POWER BUS,and CIGAR LTR DATA LINK Fuses
Cell 14: G200 (1 of 2)
Figure 2:

Cell 50: Entertainment and Comfort Serial Data Link
Object Number: 385082 Size: FS
Cell 50: Class 2 Serial Data Link
Data Link Communications Circuit Description