Supplying Power and Ground to PCM
Supplying Power and Ground to PCM 2003 Chevy Express LQ4 with matching PCM
T56
all going into my 2001 540i
Few quick questions regarding feeding the GM PCM power and grounds. I have a fairly good idea about them but maybe someone can just confirm if I'm right.
Grounds:
The following just need a simple ground from the body, right?
BLUE 1
BLUE 40
BLUE 27
BLUE 67
BLUE 24
BLUE 64
Green 40
Green 1
12V Power:
These need KEY ON 12V+, correct?
OFF RUN CRANK VOLTAGE 12V BLUE 75
IGNITION VOLTAGE BLUE 19
These need constant 12V+ even when key is off, correct?
BATTERY POSITIVE VOLTAGE BLUE 57
BATTERY POSITIVE VOLTAGE BLUE 20
T56
all going into my 2001 540i
Few quick questions regarding feeding the GM PCM power and grounds. I have a fairly good idea about them but maybe someone can just confirm if I'm right.
Grounds:
The following just need a simple ground from the body, right?
BLUE 1
BLUE 40
BLUE 27
BLUE 67
BLUE 24
BLUE 64
Green 40
Green 1
12V Power:
These need KEY ON 12V+, correct?
OFF RUN CRANK VOLTAGE 12V BLUE 75
IGNITION VOLTAGE BLUE 19
These need constant 12V+ even when key is off, correct?
BATTERY POSITIVE VOLTAGE BLUE 57
BATTERY POSITIVE VOLTAGE BLUE 20
