CHEVROLET DOOR LOCK NOT WORKING

1997 Chevrolet Silverado Ext Cab 3 Door 350 Engine Sn 2gcec19r0v1119067 Vortec 5700 V8 Sfi Engine Remote Keyless Entry, Power Locks...

The Door Power Locks Work For The Back Doors And The Back Passenger Sliding Door, But Not For The Two Front Doors. Thanks

I Have An Issue Where If My Power Locks Are Bumped, It's Very Difficult To Unlock My Truck. Sometimes I Have To Hit Them Several Times...

Purchased Vehicle And Driver's Door Lock Did Not Work. Passenger Door Locked Worked When Pushing Switch On Driver's Door Switch...