For 1987 GMC R1500 Auto Trans Downshift Relay Connector SMP 12588WFBR

For 2001-2002 Dodge Ram 1500 Auto Trans Downshift Relay Connector SMP 26283VRGD

For 1988-1991 GMC C1500 Auto Trans Downshift Relay Connector SMP 95162BWKP 1994

For 1988-1991 GMC K1500 Auto Trans Downshift Relay Connector SMP 23953DRNX 1995

For 1987, 1989 GMC R2500 Auto Trans Downshift Relay Connector SMP 33626HZDN

For 1988-1991 Chevrolet K1500 Auto Trans Downshift Relay Connector SMP 47266FKRB

For 1987-1991 GMC R1500 Suburban Accessory Power Relay Connector SMP 93558HWGP

For 1987 Chevrolet R30 Auto Trans Downshift Relay Connector SMP 47567TVBC 1988