Viking VS 255 Installation Manual page 10

Remote engine starter with keyless entry
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lower amounts of AC voltage. Also, if necessary, the system can use a fuel injector control wire for engine
speed sensing. Common locations for a tach. wire are the ignition coil itself, the back of the gauges,
engine computers, and automatic transmission computers.
IMPORTANT! Do not test tach. wires with a test light or logic probe. The vehicle will be damaged.
How to find a tachometer wire with your multi-meter
1. Set the ACV or AC voltage (12V or 20V is fine.)
2. Attach the (-) probe of the meter to chassis ground.
3. Start and run the vehicle.
4. Probe the wire you suspect of being the tach. wire with the red probe of the meter.
5. If this is the correct wire the meter will read between 1V and 6V.
IMPORTANT NOTE: You must program the "Tach Signal" before trying to remote start.
H7. 2 PIN BLUE CONNECTOR FOR THE VALET SWITCH:
Select a mounting location for the switch that is easily accessible to the driver of the vehicle. The switch
does not have to be concealed, however, concealing the switch is always recommended, as this provides
an even higher level of security to the vehicle. Mount the valet switch in a hidden but accessible location.
Route the valet switch wires to the control module.
H8. 3 PIN DOOR LOCK CONNECTOR:
Blue Wire
Green Wire
NEGATIVE TRIGGER DOOR LOCK SYSTE
Blue Wire Door Unlock
Green Wire Door Lock
5-WIRE ALTERNATING DOOR LOCK
Green Wire
Master Door
Lock Switch
86
87
3 Pin Plug
87a
30
To Alarm
85
+12V
86
87
87a
30
85
Blue Wire
To Slave Door
Lock switches
VS 255 INSTALL
( - ) Unlock Pulse
(+) Lock Pulse
( - ) Lock Pulse
( + ) Unlock Pulse
Locking
Master
Switch
To Exiting
Door Lock Relay
Splice
Cut the Existing
X
Unlock Wire
Splice
Cut the Existing
X
Lock Wire
To Door
I
INSTALL NEW DOOR LOCK MOTOR
Blue Wire
+12V
3 Pin
Plug To
Alarm
Green Wire
POSITIVE TRIGGER DOOR LOCK SYSTEM
Blue Wire Door lock
Green Wire Door Unlock
VACUUM OPERATED CENTROL LOCKING
Green Wire
+12V
+12V
3 Pin
Plug To
Alarm
Blue Wire
Lock
Motor
10
87
86
30
87a
85
86
87
87a
30
85
Locking
Master
Switch
+ 12V
To Exiting
Door Lock Relay
86
Door Switch
X
Cut
87
87a
30
85
86
Compressor
87
87a
30
85

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