When installing the RS900 III in TACH REFERENCE mode, this wire must be connected to a valid source of AC voltage.
This wire allows the RS900 to sense the engine and control the starter motor.
IGNITION SWITCH WIRING
6 PIN HIGH-CURRENT CONNECTORS:
PIN 1: BROWN 14 GA.: STARTER OUTPUT (30A)
PIN 2: GRAY 14 GA.: ACCESSORY / IGNITION 2 (30A)
PIN 3: RED 14 GA.: BATTERY CONSTANT FUSED (30A)
PIN 4: RED 14 GA.: BATTERY CONSTANT FUSED (30A)
PIN 5: PINK 14 GA.: IGNITION 1 (30A)
PIN 6: WHITE 18 GA.: (+) PARKING LIGHTS (10A)
NOTE:
Heavy duty/High Current Ignition circuits greater than 30 AMPS, such as those found on Work or Industrial
vehicles, require high-current relays. DO NOT use the outputs of the RS900 Series III for High-Current systems or you will
risk damaging the unit and creating a hazardous condition! Use Part #CS-403 relays for circuits up to 70 amps.
PARKING
LIGHTS
FUSE
RED
WHITE
30A
FUSE
RED
+10A MAX.
30A
+
-
BROWN
PINK
FUEL
ENGINE
BATTERY
PUMP
ECU
GRAY
+
STARTER
-
COIL
IGN 1
2nd IGN 1
OR
TRANSMISSION
2nd IGN 2
IGN 2
ECU
H/V/AC
Summary of Contents for RS-900ER.III
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