Well, darling, the crankshaft sensor on a 1999 GMC Jimmy is located behind the harmonic balancer at the front of the engine. You'll have to do a little shimmying and shaking to get to it, but it's not rocket science. Just make sure to disconnect the battery before you start poking around under the hood, unless you're looking to give yourself a little shock therapy.
The 1999 Chevy Lumina 3.1 liter engine crankshaft position sensor is located on the back of the crankshaft. A diagram can be obtained from most Chevrolet dealerships.
On the head
The crankshaft sensor on a 1999 Chevy Blazer is located on the bottom of the engine, near the oil filter. It connects to the vehicle's computer and constantly updates it on the crankshaft's position.
It is behind the starter in the block.
forward of the firewall
The 1999 Cadillac crankshaft sensor is located on the same side of the motor as the alternator. It is on the side of the block about half way between the front and the back.
there isn't a crankshaft position sensor on a 3.8l motor in a 1999 Pontiac grand prix according to the manual
On my 1995 Mercedes Benz E320 where is located the crankshaft position sensor?
where would the marks be located for the cams & the crank shafts on a 1999 ford contour
if it has a distributor, its in the distributor, if no distributor its at the front of the engine by the crankshaft damper
located on the passenger side of the bellhousing. It detects notches on the flywheel/driveplate
Located next to the crankshaft pulley