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Installation Guide
Warning:
Incorrect installation may result in serious damage being caused to both
the product and your vehicle’s electrical system. It is strongly recommended that
you seek the services of a qualified automotive electrician to carry out this work.
Before You Start
Check that you have the items shown below. You will also need a selection of tools
and a safe place to work.
(A) Rally Computer; (B) Speed Sensor
Troubleshooting
‘Error: No pulses detected’ message appears during
calibration.
The Q-10/20 is not detecting any signal from the speed sensor. Check your
connections and the instructions supplied with the speed sensor.
The distance is not consistent / The distance increments
when my vehicle is stationary.
The Q-10/20 works by counting the pulses produced by a speed sensor. Noise
from other parts of your vehicle’s electrical system can interfere with this signal
and cause distance measurement errors.
Wiring Diagram
Connect to a fused (1Amp) 12 Volt power
•
source that is able to supply power when
the ignition is turned off.
Use a common ground point for all parts
•
of the circuit. Do not use the vehicle’s
chassis.
(Optional)
•
Attach a hand or foot switch to
the white Auxiliary Input wire. Any type of
switch can be used.
Speed Sensor Connector colors:
•
Yellow—5V
Red—12V
Green—0V
Blue—Speed Signal
RED
BLACK
WHITE
(optional)
Speed Sensor
Connector
Monit Speed
Sensor
+12V
0V
1
Fitting to the Vehicle
Securely attach the Q-10/20 to the interior of your vehicle. The most common
locations for this are either on the dashboard or the passenger door frame.
When fitting the device, ensure that:
It will not come free of its mounting during an accident. There are two M4
•
bosses on the back that can be used to fasten it securely.
It does not interfere with any of the vehicle’s safety equipment.
•
The co-driver can operate it comfortably while seated.
•
Warning:
If the vehicle still has airbags fitted, do not place the device over the
covers from which these are deployed. Doing so could result in serious injury in
the event of a collision.
Electrical Connections
All electrical connections to the Q-10/20 are made through the color-coded wiring
loom attached to the device. Connect this loom to your vehicle’s electrical system
as shown in the wiring diagram below.
Final Checks
Before you apply power to the system check all your electrical connections and
ensure that any exposed wires in the circuit are covered with insulation tape or
heat-shrink.
2
3
4
(A)
(B)
To solve the problem:
Ensure that the Q-10/20, speed sensor and any attached switches are all
•
grounded directly to a ground point on the vehicle’s engine management
computer. Do not use the vehicle’s chassis.
Physically move the Q-10/20 wiring away from other wires in your vehicle.
•
If the problem persists, seek the assistance of a qualified automotive electrician or
contact your Monit dealer.
© Monit Limited
