Installation Manual
UL
POWER
UL390i UL390i
S
390i
SA
MI 390A01 Revision No: 3
Date:
2014-09-15
Page:
49
of
69
1.
Blue shrink sleeve : Battery - / Put all wires together
2.
Red shrink ECU : B / Put all 4 wires together
3.
Red shrink injection : B / Put the 2 wires together
Attention
:
Do not connect 2 en 3 together to the same +12V !
Use separate switches!
4.
Green shrink sleeve : “+” and “-“ to optional fuel pump relay
5.
Grey shrink sleeve : 3 wires :
white/white : RPM signal (2 pulses/ rev. 0 – 12V)
white/blue : Fuel consumption (Injector pulse).
Output is a duty cycle. 100% is equal to 72l/Hr
white/red : fuel consumption (pulses/litre)
70l/Hr = 170Hz (170 pulses/sec)
6.
Yellow shrink sleeve : 4 wires :
white/green : Common (-)
white/red : warning signal in case of ECU over temperature (not used)
white/blue : warning signal in case of battery low (<12.5V)
white/white : check light :
When the engine run correctly, the led doesn’t light up.
When there is a problem with one of the following sensors, the led light up.
a) Oil temperature sensor b) Inlet air temperature sensor c) Throttle position sensor
d) Altitude sensor (Integrated in ECU)
7.
Ground for cable shielding
8.
PC Connector for data transmission
9.
Connect to ECU
ECU Wiring loom engine cockpit
