What are all these wires doing on my mechanical engine - the non-intercooled version
A: Grid heater ground
B: Air temp sensor
C: Engine ground
D: Grid heater power
E: Oil pressure sender
F: Water in fuel (WIF) light sensor
G: Shutoff solenoid
H: KSB solenoid
I: Main bulkhead connector
J: Low vacuum warning sensor
K: Starter relay
L & M: Grid heater relays
N: Brain box (runs grid heaters, WIF light, and KSB)
B: Air temp sensor
C: Engine ground
D: Grid heater power
E: Oil pressure sender
F: Water in fuel (WIF) light sensor
G: Shutoff solenoid
H: KSB solenoid
I: Main bulkhead connector
J: Low vacuum warning sensor
K: Starter relay
L & M: Grid heater relays
N: Brain box (runs grid heaters, WIF light, and KSB)



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