1993 GMC Sonoma Owner's Manual - Page 239
1993 GMC Sonoma Manual
Page 239 highlights
JACK LOCATIONS FRONT REAR 1 LOCATE IN FRAME HOLE AS SHOWN. LOCATE IN SPRING HANGER HOLE ASSHOWN. PO345 Positionthejackunderthevehicle. Your vehicle has ahole in the frameneareachfrontwheel,andaholein thespringhangerneareachrearwheelfor the jack.Fitthejackintothe holenearesttheflattire. CAUTION A Gettingunderavehiclewhen it isjackedup is dangerous. If the b vehicleslips off thejack, you couldbebadlyinjuredorkilled.Never getunderavehicle when it is supportedonly by ajack. NOTICE .. Raisingyourvehiclewiththe jack improperlypositionedwilldamage vehicleormayallowthevehicle to fall off thejack. Be sure to fitelac! lift head into theproper location before raising yourvehicl ? 1 5-23