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DIRECTWIRE™ WIRING INFORMATION - SATURN / ION / 2005 / Remote Start

12volts red (40A), red (30A)   +   pins 37 and 34, BCM C1
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Starter yellow (not for remote start)   -   pin 48 or 46, blue plug, ECM
Notes: The ECM (Engine Control Module) is on the driver side of engine compartment, near coolant over flow container.

There is a white wire and a WHITE/ black wire at the ignition harness that performs the following: key sense, second ignition, starter, and Passlock resistance. Refer to DirectFax document 1610 for remote start interface information.
Second Starter N/A
Ignition dk. blue   +   ign harn or pin 7, BCM C4
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Second Ignition see starter wire notes
Third Ignition N/A
Accessory brown   +   ign harn or pin 6, BCM C4
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Second Accessory N/A
Keysense see starter wire notes
Power Lock white   -   pin 33, BCM C3
Notes: Lock is a straight negative trigger. Unlock is negative trigger thru a 1.5K ohm resistor. MUST use relays.

The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Power Unlock same as power lock wire
Lock Motor gray   5wi pin 51, BCM C3
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Unlock Motor tan   5wi pin 2, BCM C3
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Parking Lights+ brown   +   switch or pin 2, BCM C4
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Parking Lights- N/A
Hazards lt. blue   -   switch or pin 40, BCM C4
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Turn Signal(L) lt. blue (F), yellow (R)   +   pins 44 and 43, BCM C3
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Turn Signal(R) dk. blue (F), dk. green (R)   +   pins 46 and 45, BCM C3
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Reverse Light lt. green   +   harness under driver seat
Door Trigger lt. grn/blk (D), lt. blue (P)   -   pins 45 and 44, BCM C4
Notes: Use both wires and diode isolate each.

The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Dome Supervision white   -   pin 11, BCM C3
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Trunk/Hatch Pin ORANGE / black   -   light in trunk
Notes: On models with keyless entry it is also dk. green, pin 35, in the BCM C3.
Hood Pin N/A
Trunk/Hatch Release BLACK/ white   +   switch or pin 1, BCM C3
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Power Sliding Door N/A
Factory Alarm Arm factory remote only
Factory Alarm Disarm factory remote only
Disarm No Unlock with ignition and Passlock
Tachometer NOT pink or pink/black   ac   any fuel injector
Wait to start N/A
Brake Wire lt. blue   +   switch or pin 8, BCM C2
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Parking Brake lt. blue   -   switch or pin 43, BCM C4
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Horn Trigger black   -   switch or pin 33, BCM C4
Notes: The BCM (Body Control Module) is part of the fuse/relay box in the lower center of the dash, just below the HVAC control assembly. It has the following connectors: C1-37 pin black plug, C2-38 pin gray plug, C3-56 pin black plug, C4-56 pin gray plug, and C5-6 pin gray plug.
Memory Seat 1 N/A
Memory Seat 2 N/A
Memory Seat 3 N/A
Interface Module: Category:
Immobilizer Bypass Required:
Yes Type:
Passlock
Part #: 556LW
Alternate Part1 #: 555LW
Notes: Refer to DirectFax document 1610 for remote start interface information.
Interface Module: Category:
Door Lock Interface Required:
Yes Type:
Multiplex
Part #: 456LW
Notes:


This wiring information is being provided free of charge on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it using a digital multimeter.
Directed electronics, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. DEI assumes no liability or responsibility resulting from improper installation, even in reliance upon this information.

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