TACH MAGNETIC PICKUP & RPM SENSOR
Apply thread lock (MIL-S-22743, grade JV) on the threads of the magnetic
On harmonic balancer, install magnetic pickups at opposite holes using
3/16" flat tip offset screwdriver.
Strip insulation from ends of W67 MAG PICKUP and RPM sensor wires.
Connect each end of RPM sensor wire to each W67 MAG PICKUP wire with splice
(item 88, M7928/5-3). Using crimping tool, crimp wire splices.
On oil pan, remove and retain bolt closest to harmonic balancer using 3/8"
drive ratchet handle, 6" extension, and 10 MM socket.
Install RPM sensor holding bracket (item 34, C512261O-1) and secure with
bolt using 3/8" drive ratchet handle, 6" extension, and 10 MM socket.
Insure magnetic pickups on harmonic balancer pass in front of RPM sensor.