I put a 20amp then a 25amp and it still burns it

Disconnect the negative battery cable and check out the:

. Fuel Pump Relay.

. Inertia Switch.

. Constant Control Relay Module (CCRM). This is an involved and relay that controls a lot on your Sable.

. Wiring to fuel pump.

. Fuel pump.

. Ignition switch--check for wear, pitting, or melting.