Crime Guard 328i3 Installation Manual page 17

"Negative switching" or "Positive switching"; these diagrams show both
types. Once "Positive switching" or "Negative switching" has been deter-
mined, connect the Black/Red wire to Negative (for "Negative switching") or
Positive (for "Positive switching") as needed.
Typical Negative Switching Dome Light System
This is the correct trigger
wire. Connection of the
Green/Violet wire may be
made at any point. The 745i
Black/Red wire is grounded.
1
1 1
1
1 1 1
Driver
1 1 2 1 2 1
1 1 2 1 2 1
Pin
1 1
Switch
1
Note: In both types the Driver Pin Switch will often have an extra
wire that activates the "ignition key in switch" warning chime. This
is the incorrect trigger wire.
This is the correct trigger
wire. Connection of the
Green/Violet wire may
Driver
Pin
Switch
1 1 1 1 1 1
1
Typical Positive Switching Dome Light System
Typically, "Negative switching" systems show voltage with
doors closed, and ground when the doors are opened; while
"Positive switching" systems show the reverse indications.
be made at any point.
The 745i Black/Red wire
is connected to +12 Volt.
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2 3
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2
Page - 17
Dome Light
(+)12 Volts
1 2
1 2 1 2
1 2
1 2 1 2 1 2
1 2
1 2
1 2 1 2
1 2
Dome
Light
To Chassis
Ground
To Constant
12 Volt
Passenger
Pin
Switch
Passenger
Pin
Switch