first you need to diagnose the problem. turn on the ignition and press the appropriate switch. while pressing the switch slowly both up and down notice whether the dome light dims. if it dims then the switch is working and the problem is probably the motor as it is drawing power and not working.
Need to know what's wrong with it. More info please.
On a 1996 Mercury Grand Marquis the windshield washer squirter button is on the end of the turn signal lever
A grand marquis wiring diagram can be found in a Chiltons or Haynes auto repair manual.
Mercury Grand Marquis was created in 1983.
Try Autozone.com - they very likely have an on-line illustrated repair guide for the '93 Grand Marquis.
Take it to a repair shop.
According to my Chilton's Auto Repair manual : A 1988 Mercury Grand Marquis has a ( 20 U.S. gallon ) gas tank
You have to replace a whole thing, not only a cable
According to my Chilton's Auto Repair manual : A ( 1987 ) Mercury Grand Marquis has a ( 20 U.S. gallon gas tank )
Replace the hose.
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