DeVille V8-4.6L VIN 9 (1995)
The reluctor ring is cast onto the crankshaft between the # 3 and # 4 main bearing journals. The reluctor ring has 24 evenly spaced notches or air
gaps and an additional 8 unevenly spaced notches for a total of 32.
As the crankshaft makes one complete revolution, both the 'A' and 'B' sensors will produce 32 'ON-OFF' pulses per revolution. In addition, the 'A'
sensor is positioned 27° of crankshaft revolution before the 'B' sensor. This creates a unique pattern of 'ON-OFF' pulses sent to the ignition control
module so that it can recognize crankshaft position.
