Magnetic Tach Pickup Wiring Diagram
Run a wire from remaining terminal of magnetic proxim ity sender to tachometer gnd terminal.
Magnetic tach pickup wiring diagram. Magnetic pickup mpu sensors are devices which can be used in conjunction with electronic control modules for monitoring of parameters such as speed direction of rotation and a variety of alarm. Not sure if you have custom wiring so i do not have a solid answer. Thread the magnetic pickup until it bottoms out directly on the centered flywheel tooth. If you are using the magnetic pick up input green and violet wires to trigger your msd ignition you will need the pn 8920 tach adapter.
For dual control station applications install second gauge according to previous instructions. Once the pickup has bottomed out turn the pickup back out exactly one half turn or 180 degrees back out. The pn 8920 will correct the operation of most voltage triggered tachometers that do not work directly off the tach output terminal of the msd control. Located magnetic pick up senders is very weak especially at idle speeds compared to an alternator tach source or a pulse generator tach source.
That is why we have assembled the msd ignition wiring diagrams and tech notes non magnetic pickup the msd crank trigger system uses a non magnetic wiring of street fire ignitions is the same as msd 6 series with the exception of the gray tach wire. If the trigger wire of the tach was originally connected to the coil positive terminal it is a current triggered tachometer. Assortment of magnetic switch wiring diagram. Wiring with a magnetic pickup distributor and a voltage triggered tach.
Set the nut tight and connect the pickup to the engine harness. Hi in this video i describe cf5135b rpm tachometer speedomer how to properly wiring more gut info see on my page. Lt to lt gnd to gnd send to send ign to ign. The factory magnetic pickup no idea why it would be an aetna unit on the engine is dual output as noted one signal is for the tachometer and the other goes to the ecm that controls the grid air cold start heater system it s supposed to shut the heater off at 1400 1600 rpm or.
Wiring may be con nected to first gauge. A wiring diagram is a simplified standard pictorial representation of an electric circuit. Never connect any wires to the coil terminals when an msd 6 7 8 or 10 series ignition is installed. Apply grease to the threads on the magnetic pickup.