There is none.
There is a fuel pump relay switch for your 1988 GMC Safari. You can find the fuel pump relay switch at most auto-parts stores.
Chevy trucks DO NOT HAVE a safety switch / Inerita switch. You need to check the fuel pump relay and fuse first. You may just have a bad fuel pump.
The 2000 Hyundai Sonata does have a fuel pump safety switch. The fuel pump safety switch is located in the fuse box. The fuse box can be found in the engine compartment behind the battery box.
No, there is not.
Ford is the only one that used a Inertia switch ( safety switch ) You have to remove the fuel pump relay are the fuse.
NO. it does not.
GM does not equip their vehicles with a fuel pump inertia switch.
GM vehicles are not equipped with an fuel pump inertia switch.
GM vehicles do not have a fuel shut off/inertia switch
GM vehicles do not have a fuel shut off/inertia switch
GM vehicles do not have a fuel shut off/inertia switch
GM vehicles do not have a fuel shut off/inertia switch