Assuming it's the same setup as the ones I've worked on, (I've never worked on <86), it should be in the fuse box located close to the parking brake pedal. The one you're looking for should be larger than the rest, and cylindrical-shaped.
Mercury Grand Marquis was created in 1983.
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1983 doesnt have a crankshaft position sensor. you have an ignition module located on the side of the distributor.
passenger side fender wall,it should have two hoses connected to it
The spin on style fuel filter found on many 1980 - 1983 Ford, Lincoln, Mercury full size cars is the Volvo engineered 33359 and is also made by WIX.
Crawl under the vehicle and follow the fuel line from the fuel tank forward toward the engine. You will find the filter somewhere along that line.
There isn't a reset switch on a 1983 grand marquis as Ford didn't put fuel injection into cars until 1986.
Jason Scott Marquis was born on September 30, 1983, in Chicago, Illinois, USA.
Mercury Topaz was created in 1983.
Mercury Microware was created in 1983.
The dry weight of a 1983 model, 40hp Mercury outboard, is 156lbs.
Assuming you mean Mercury Cougar, a new 1983 Mercury Cougar sold for $9800.