Replaces dealer part numbers: LX346T GD1998A 10476627 10489422 SH7378 D1928A 8104672020 8104894220 6H1040 10467202 Installation Instruction-Some ignition modules are installed inside the distributor. But you need to disconnect the negative cable of the battery before you can take the ignition module off and replace it. You can refer to the circuit diagrams of specific brands and models of for vehicles/Cadillac/Chev-y Product name: Ignition Spark Control Module Replace Part Number 10489422 for BUICK CENTURY 1987-2005 for BUICK REGAL 1988-1996 for BUICK RENDEZVOUS 2002-2005 for BUICK SKYLARK 1994-1998 for CADILLAC CIMARRON 1987-1988 for CHEVROLET BERETTA 1987-1996 for CHEVROLET CAMARO 1993-1995 for CHEVROLET CAVALIER 1987-1994 for CHEVROLET CELEBRITY 1987-1990 for CHEVROLET CORSICA 1987-1996 for CHEVROLET IMPALA 2000-2005 for CHEVROLET LUMINA 1990-2001 for CHEVROLET LUMINA APV 1996 for CHEVROLET MALIBU 1997-2003 for CHEVROLET MONTE CARLO 1995-2005 for CHEVROLET VENTURE 1997-2005 for HONDA PASSPORT 1994-1995 for ISUZU RODEO 1993-1995, ISUZU TROOPER 1992-1995 for OLDSMOBILE ACHIEVA 1994-1998 for OLDSMOBILE ALERO 1999-2004 for OLDSMOBILE CUTLASS 1995-1999 for OLDSMOBILE CUTLASS CIERA 1987-1996 for OLDSMOBILE CUTLASS CRUISER 1987-1989 for OLDSMOBILE CUTLASS SUPREME 1988-1997 for OLDSMOBILE FIRENZA 1987 for OLDSMOBILE SILHOUETTE 1996-2004 for PONTIAC 6000 1987-1991 for PONTIAC AZTEK 2001-2005 for PONTIAC FIREBIRD 1993-1995 for PONTIAC GRAND AM 1994-2005 for PONTIAC GRAND PRIX 1988-2003 Colour:black + silver Material:Plastic + Metal Package Contents: 1 * ignition spark control module Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.