PerTronix Ignitor MR-162 User Manual
PerTronix For the car
CAUTION!!! Before installing, please read the following important information....
CAUTION!!! Before installing, please read the following important information....
909-599-5955 www.pertronix.com
1. The Ignitor is designed for 12-Volt negative ground systems.
2. Leaving the ignition “ON” with the engine “OFF” for an extended period could result in permanent damage to
the Ignitor.
3. See Chart on back page for coil recommendations.
4. Four & Six cylinder engines require a minimum of 3.0 ohms of primary resistance. Do not remove resistors if
the coil primary resistance is less than 3.0 ohms.
5. If your Ignition coil has the recommended primary resistance, remove or bypass all external resistors.
6. The Ignitor is compatible as a trigger for most electronic boxes.
12-Volt Negative Ground Installation Instructions
Page 1 of 4
For Part Numbers: MR-162
DISASSEMBLY
1. PRIOR TO INSTALLATION TURN IGNITION SWITCH OFF OR DISCONNECT THE BATTERY
2. Disconnect the point wires from the negative (-) terminal of the Ignition coils.
3. Remove the distributor cap. Do not disconnect spark plug wires. Examine cap for wear or damage. Replace
as needed.
4. Remove the screw that retains the distributor rotor. Note position of the rotor. The red dot on the rotor and
the dot on the distributor shaft should be aligned. Remove the rotor.
5. Remove the three screws that hold the bearing support to the distributor housing. Remove the bearing
support and bearing.
6. Remove the points, condensers, and the grommets from the distributor. If present, remove the point
lubricating felt and bracket.
7. Remove the snap ring from the top of the point cam.
8. Clean the base of the distributor housing and distributor cam.
IGNITOR INSTALLATION
1. Place the Ignitor II adapter plate into the distributor housing. Align the notches in the plate with the
distributor. Make sure the “A” and “B” stamped into the plate align with the corresponding marks in the
distributor housing and the wire exits.
2. Use the provided screws to tighten the plate in place.
3. Install each module onto the adapter plate studs. Use the provided lock washers and nuts to tighten the
modules in place.
4. Insert wires from each module into the wire exit holes in the distributor housing. Pull the rubber grommets
into place and gently pull the excess wire out of the distributor. Make sure wires do not interfere with any
moving parts.
5. Install magnet sleeve over the distributor shaft, onto point cam. Rotate the sleeve until a slight locating
position is felt before applying pressure. Press down firmly insuring sleeve is fully seated.
6. Module and magnet sleeve air gap is not adjustable.
7. Install snap ring, bearing and bearing support.
8. Install the rotor by aligning the dots on the shaft and rotor.
9. Install the distributor cap. Make sure all spark plug wires are securely attached.
Warning!
DO NOT USE
WITH SOLID CORE SPARK PLUG WIRES.
10. See Wiring Instructions.