5. Connect the Bosch sensors to the 6 pin mating connec-
tors on the Control Unit wire harness. Extension cables
are available. The cable for sensor 1 exits at the top of
the Control Uni
t and is identified with a yellow band.
6. Refer to Figure 2. Connect the heavy black wire to a
good chassis ground location. Keep the ground
connection as short as possible.
7. If your race vehicle uses any type of CD (capacitive
discharge) ignition such as the MSD 6, 7, or 8 series,
you must properly ground and filter the ignition unit. Un
-
less your ignition unit is directly connected to the battery
terminals, you must install a filter capacitor such as MSD
P/N 8830.
8. Connect the red wire to sw12 volt power.
9. Reconnect the battery ground cable.
SENSOR 1 CABLE
IDENTIFIED BY
YELLOW BAND
TO SWITCHED
+12V POWER
0-5V OUTPUT SCALED
AFR = 10 + (2 x VOLT)
RED
S1
S2
HEAVY BLACK
SENSOR 1
INPUT
SENSOR 2
INPUT
SENSOR 1 AFR
OUTPUT
SENSOR 2 AFR
OUTPUT
INPUT
INPUT
POWER
GROUND
SENSOR
Figure 2 - Controller Hookup
DATA ACQUISITION
SYSTEM
SENSOR