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31: ground (brown)
15: +12v ignition on (Fuel pump cuts off after 1.5 sec)
50: +12v from starter/crank input
30: + 12 volts from battery (red wire)
87: power to fuel pump
87k: transmission kickdown
87v: power to cold start valve
TF: connects to pin 9 of a 25 pin ECU (no current: will run PFR even when not connected
TD: very important signal current but not 12v
(green with yellow stripe)
from airflow sensor (got the idea from a BMW diagram)
:acts as a fire safety device in case of accidents:
cuts off signal when air flow is in 0 position
when engine dies. if we pull out this wire, PFR cuts out.
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1992 200E
M102
102.963
AKA Silver Old Grumpy
Always hope I can freeze someone with the aircon- Just change the compressor again, Subseal leaked with a psssssssss sound.
Its the NON-3 Pointed star items on my car that cost more to repair.$%^&%%*^&
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