ISSPRO R8902 User Manual
Page 2

Form No. 235B (2/4/03 Rev. B) Page 2 of 2
EXISTING OIL PAN BOLT.
SENSOR WIRES
FRONT OF ENGINE
SWITCHED +12 VDC.
RED WIRE: CONNECT TO IGNITION
WHITE WIRE TO SENSOR
MOUNTING BRACKET
ISSPRO R8504 TACHOMETER
3 WIRE CABLE
OTHER WIRE TO GROUND
ONE WIRE TO DASH LIGHT CIRCUIT
BACK VIEW OF PULLEY
#20 AWG (or larger)
EXTENSION WIRES
(Not Furnished)
(length to suit).
SENSOR: R8902
MAGNET PAIR: R8911
BLUE SIDE OUT.
SEE INSTRUCTIONS.
ADJUST SENSOR TO GIVE
1/8"-1/4" CLEARANCE
BLUE SIDE
BLACK WIRE TO SENSOR
AND TO GROUND.
MOUNTING BRACKET
BEFORE GLUING MAGNETS !
SCRAPE AWAY PAINT.
CLEAN SURFACE WITH ALCOHOL.
ROUGHEN SURFACE WITH COARSE SANDPAPER.
PULLEY
INSTALLATION DIAGRAM: R8504 2 1/16" TACHOMETER
FOR: NISSAN SD-22 DIESEL ENGINE
SENSOR
ASSY
(Optional)
MOUNTING HARDWARE