MSD Cam Sync Sensor

MSD Cam Sync Sensor




DESCRIPTION

MSD Holley part number: 85141

Haltech does not sell this part.

This distributor plug is equipped with an adjustable Hall-Effect Cam Sync Sensor for fuel injected engines. The Cam Sync can be adjusted to achieve the proper lead time required for the particular ECU being used.  It is used to provide a Home (Sync) signal in conjunction with a crank trigger to allow cylinder identification, which in turn allows sequential fuel injection and direct fire ignition.




SETTINGS

 Configuration

Haltech Elite Series Setting
Value
Sensor Type
Hall Effect
Edge
Falling
Filter Level
0
Pullup
Enabled





WIRING




Wire Colour
Haltech Connection (Home 4-Core)
Red
12V+ (Red)
Green
Home + (Yellow)
Black
Signal Ground (Blue)



Please note that MSD claim the signal output will be 1.5V less than the power supply.  If you are powering the sensor from 5V instead of 12V then custom settings will be required for the Home sensor, with the Arming Voltage Threshold set to 3.0V and the Activation Voltage Threshold set to 1.0V





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