Where is the oil sending unit on a 2003 GMC Sierra 5.3 liter V8 1500?

What does an ignition switch do for a 1997 jeep? Where can you find torque specs for the head bolt torque for a quad 4 2.3l dohc? How do you know if bad compression or a low pressure switch is causing the compressor in a 1999 GMC Savana not to kick on and the drier orfice and compressor have been replaced? Why would a 1989 Corvette 350 tune-port lose its injector pulse on the left side after 10 minutes but the right side is ok? Pontiac Sunfire headlight? Why when the heater is on the rear wiper does not work on a Ford Laser? How do you remove the dash on a 2006 dodge ram mega cab? What is the order of the spark plug wires on a 2001 ford 4.2L engine? How do you replace AC Pressure Cut Off Switch in Ford Fusion? Does a 2000 jetta vr6 has timing belt or timing chain? Do the glow plugs cycle after engine is running? How do you change spark plugs on a 1996 cavalier z24? Where is the oil filter located on 2002 Honda Accord EX 4 cylinder 2.3L MFI VTEC engine? How do you replace the fuel pump on a 1995 Cadillac Eldorado? Were to find parts for a 1962 Chevy? How much refrigerant and oil does it take to fill a 1995 Buick Riviera Supercharger? What is the best phone in metro pcs? How many 1969 Pontiac Firebirds still exist today with a 400 V8 4 speed? 1997 Chevy 5.7 hard to start but runs great? How much weight can your 2003 Ford F250 Super Duty Diesel carry?

Where is the oil sending unit on a 2003 GMC Sierra 5.3 liter V8 1500?