For 1987-1991 Chevrolet G30 Auto Trans Downshift Relay Connector SMP 46152RVZS

For 1987-1991 Chevrolet G10 Auto Trans Downshift Relay Connector SMP 82771WTXW

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

For GMC V2500 Suburban Auto Trans Downshift Relay Connector SMP 97133MQNY

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

For GMC R2500 Suburban Auto Trans Downshift Relay Connector SMP 82511BYSP

For 1988-1990 GMC K2500 Auto Trans Downshift Relay Connector SMP 46882WB 1989

For 1987-1988 Chevrolet V30 Auto Trans Downshift Relay Connector SMP 19771TN