Hardware & BigComm Software Instruction Manual

Black/White wire
from BS3 harness
labeled “Primary
Fuel Pump (LS)”
Standard 40 Amp relay
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text
Battery or
Vehicle
Chassis
Ground
Fuel Pump
+
Battery
+
-
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Switched 12 Volt
Line
Vehicle
Chassis
Ground
Relay
86
30
85
87
87a