yes you can but i strongly suggest not using any electronics or you will drain your battery really fast as long as you have enough power to turn over the starter then your good to go.
On a 2004 Ford Excursion : ( 166.6 liters / 44.0 U.S. gallons )
According to the 2004 Ford Excursion Owner Guide ( 226.7 inches long )
To change the brake switch in a 2004 Ford Excursion, first disconnect the battery to ensure safety. Locate the brake switch, which is typically mounted above the brake pedal. Remove the electrical connector and the mounting screws, then take out the old switch. Install the new switch by reversing the process, securing it in place, and reconnecting the battery.
According to the 2004 Ford Excursion Owner Guide : ( 44.0 U.S. gallons )
The 2004 Ford Excursion wheelbase is ( 137 inches )
Yes
DOT ( 3 ) brake fluid , meeting Ford specification ( ESA-M6C25-A ) according to the 2004 Ford Excursion Owner Guide
44 U.S. gallons
According to the 2004 Ford Excursion Owner Guide : ( Motorcraft MERCON automatic transmission fluid is used as the power steering fluid )
According to the 2004 Ford Excursion owners manual ( 5W-20 engine oil ) is used in the 6.8 liter V10 gasoline engine
On a 2004 Ford Excursion : ( mini fuse # 12 is a 20 amp fuse for the cigarette lighter and OBD II ) You can view the 2004 Ford Excursion owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides ( the fuses and relays section starts on page 169 )
To replace the alternator on a 2004 Ford Excursion 6.0, start by disconnecting the negative battery cable to prevent electrical shorts. Remove the serpentine belt by loosening the tensioner, then disconnect the wiring harness from the alternator and remove the mounting bolts. Once the old alternator is out, install the new one by reversing these steps: secure it with bolts, reconnect the wiring harness, and reinstall the serpentine belt before reconnecting the battery. Always ensure to check the belt alignment and tension after installation.