Prins VSI LPG - Electrical Connections VSI-2.0 Wiring Harness

Copyright © Prins Autogassystemen B.V. 2013 Page 26
Electrical connections VSI-2.0 wiring harness
Check and measure the wiring in case of changes in the cars wiring colours.
Insulate all not used wires.
Wire number / code
Wire colour
Connection
1 ground battery
brown
Connect to the ‘–‘ of the battery; use a ring terminal for this
purpose.
Wire colour :
Wire location :
32 ground battery sense
brown
Connect to the ‘–‘ of the battery together with VSI wire 1
ground battery.
44 +12V battery
red
Connect to the '+' of the battery; use a ring terminal for this
purpose or solder.
Wire colour :
Wire location :
Do not place the fuse in the holder before having
completed the installation of the LPG system.
13 +12V battery sense
red
Connect to the ‘+‘ of the battery together with VSI wire 44
+12V battery.
112 + petrol injectors or
ignition+ ( +15 )
red-grey
Make a connection to + petrol injector or ignition+ ( +15 )
Wire colour :
Wire location :
20 AD3 ( lambda 1 )
orange
For the measurement of the lambda signal of cylinder bank
1
Connect the wire in parallel to the lambda sensor.
Wire colour :
Wire location :
19 AD4 ( lambda 2 )
orange-white
For the measurement of the lambda signal of cylinder bank
2
Connect the wire in parallel to the lambda sensor.
Wire colour :
Wire location :
18 AD1 ( MAP )
blue
For measuring the inlet manifold pressure ( MAP ).
Wire colour :
Wire location :
17 AD2 ( Valve Care )
green
Optional connection.
Wire colour :
Wire location :
8 RPM
purple-white
For measuring the engine speed.
Wire colour :
Wire location :