AEM 30-6905 Universal Programmable EMS-4 - Manual (Page 28)

Page 28 of 279 EMS-4 Install and Tuning Guide_Rev 1.6
Water Temp Sensor
Harness Connections
Water Temperature Sensor Harness Connections
Name Wire
Wire
Color Stamping
Coolant Temp Sensor 22 White COOLANT
Sensor Ground 22 Black SIG GND
COOLANT – Connect to sensor signal
SIG GND
– Connect to sensor ground
AEM P/N 30-2011 (Optional) Water Temp Sensor kit is specifically designed for temperature
measurements in automotive systems. The kit contains One GM style temperature sensor, one
“6” Flying Lead” mating connector assembly and a weld in aluminum bung.
Water Temperature Sensor Diagram
Housing Material:
Brass with 3/8” NPT Thread (Torque to 25 Ft-Lbs)
Elec. Termination: Integral weatherproof connector, Includes mating connector with 6” leads,
18 AWG.
Wiring to your EMS: Polarity does not matter. Connect one wire to harness COOLANT lead
and the other to harness SIG GND lead.