ISSPRO R8510 User Manual
ISSPRO Hardware
ISSPRO, INC. 2515 N.E. Riverside Way, Portland OR 97211
Telephone: (503) 288-4488 Toll Free: (800) 888-8065
FAX: (503) 249-2999
Form No. IS011 (1/10/00 Rev. B) Page 1 of 2
ISSPRO 2” Dia. Ignition Tachometers
P/N R8508 (4k scale), R8509 (5k scale), R8510 (6k scale)
General Information:
Operating Voltage: 10-16 VDC
Reverse Voltage Protected
Calibration:
ISSPRO ignition tachs are pre-calibrated for 4, 6 or 8 cylinder, single ignition coil en-
gines. To se the tach for your particular engine, remove the plastic hole plug (in the rear
of the tach – lower right) and place the jumper in the position corresponding to the
number of cylinders of the engine. The cylinder number is marked on the circuit board.
Installation:
1. Set the tach to the proper number of cylinders as described above.
2. Mount the tach in the desired position.
3. Connect the wires as shown in the wiring diagram. NOTE: The white wire may also be
connected to the “TACH” connection of the distributor, if this connection is available.