- 4 -
2 Mounting and Connecting the LC-1
1. Find a suitable location under your vehicle where the LC-1 body can be mounted. Using
zip ties or other suitable method, fasten the body of the LC-1 device securely to the frame-
rails or other mounting points as far away from the heat of the exhaust system as the sensor
cable allows. DO NOT zip-tie the LC-1 by the cables.
2. Route the cables from the LC-1 (except sensor cable) into the car interior under the dash.
3. LC-1 Cable connections:
A. Interface and power cables with 7 stripped ends*:
a.
Red
12V supply
b.
Blue
Heater Ground
c.
White
System Ground
d.
Yellow
Analog out 1
e.
Brown
Analog out 2
f.
Green
Analog Ground
g.
Black
Calibration wire
B. Serial In connection, 2.5mm stereo (female) marked as IN
C. Serial Out connection, 2.5 mm stereo (female) marked as OUT.
* 3.1 If you have an LC-1 with only 6 stripped ends (early production) the wiring is as follows:
a. Red 12V supply
b. Blue Heater Ground
c. Metallic
System Ground
d. Yellow
Analog out 1
e. Brown Analog out 2
f. Black Calibration wire
4. Connect the
RED
wire to a switched 12V source in your car. A switched 12V source
goes on as soon as the ignition on the car is on Make sure the connection is fused with a
minimum fuse size of 5A.
5. The
BLUE,
WHITE,
and
GREEN
wires should all be grounded to the same ground source
and although these grounds are of the same source, the
BLUE
wire should be wired
separate from the
WHITE
and
GREEN
wires to avoid analog ground noise.
6. Optionally, the
YELLOW
(Analog out 1) and/or
BROWN
(Analog out 2) can be connected
to the analog inputs of other devices such as data loggers and ECUs. If either one or both of
these wires are not being used isolate and tape the wire(s) out of the way.
Note: The LC-1’s
heater ground, system ground, and analog ground wires should be grounded at the
analog input’s ground.
7.
Optionally
connect a momentary push-button switch between ground and the
BLACK
calibration wire. Please refer to section 2.1.
Note
: The use of the calibration wire is not necessary if the LC-1 is connected to Innovate
Motorsports’ XD-1 digital gauge. If the wire is not are not being used, isolate and tape the
wire out of the way.
8.
Optionally
connect a indication LED (1.2-2.2V, 1-30mA is recommended) between the
calibration wire and ground. Please refer to section 2.1
