Generally, however, it's likely to be found along the frame rail, somewhere near the fuel tank, but possibly closer to the engine. It's often a cylindrical canister, sometimes with a visible fuel line going in and out.
To find the exact location:
1. Consult your owner's manual: This is the best resource. It should have a diagram showing the location of the fuel filter.
2. Look under the vehicle: Carefully inspect the area near the fuel tank and along the frame rails. Look for fuel lines and a canister-shaped filter.
3. Use a repair manual: A Haynes or Chilton repair manual for your specific year and engine will have detailed diagrams and instructions.
4. Search online: Search for "1986 Ford Bronco [your engine size] fuel filter location" on Google Images or YouTube. You might find photos or videos showing the filter's location.
Important Safety Note: Fuel is flammable. When working near the fuel system, always disconnect the negative battery cable to prevent sparks. Avoid working near open flames or sparks. Use proper safety precautions.