MadMan EMS-3, Operating Manual

Page: 29 / 37

Madman EMS-3 Operating Manual Page 29
10.2 Cable connections (Molex Microfit 3.0)
Looking at the rear of the EMS-3 instrument
Note: Some wires might not be populated
Pin Color Function
1 White EGT Probe – (K Type Red lead)
2 Orange EGT Probe + (K Type Yellow lead)
3 Brown Coolant Level Detector (CLD input)
4 White/Blue N/C
5 Blue/Yellow External Buzzer
6 Black/Red RPM Input
7 Blue/Orange RS232 Transmit Data (Firmware upgrading)
N/C
8 Orange/Black RS232 Receive Data (Firmware upgrading)
N/C
9 Green Analog Input 1
10 Yellow Analog Input 2
11 Grey Analog Input 3
12 Blue Analog Input 4 / Oil pressure switch
13 Purple Alarm Output 2 (Open collector)
N/C
14 Pink Alarm Output 1 (Open collector)
15 Black Ground. Connect the ground to the engine block, and
the engine block to the battery negative. Do not
connect the EMS-3 ground directly to the battery
negative. This must be routed via the engine block.
16 Red 8-30Vdc power via power switch / circuit breaker and
fuse.