Heres The Wiring Diagram for the COMPUSTAR 2W900FM-AS. This is for the 97 Eclipse I'm not sure what other years this is compatible with. I made this diagram while installing this alarm, hopefully this will help someone. This is much helpful then the pointless manual that comes with the alarm.

CN1
Number Compustar Vehicle Location Function
1 Red White Ignition Harness ( + ) 12v Constant
2 Green/White Green/White Drivers Kick Parking Lights
3 Red/White White Ignition Harness ( + ) 12v Constant
4 White Blue/Black Ignition Harness Accessory
5 Violet None None Starter Kill/Anti Grind
6 Yellow Black/Red Ignition Harness (Starter Side) Starter
7 Green Black/White Ignition Harness Ignition
8 Black Ground Ground Ground
9 Yellow/Black Black/Red Ignition Harness (Key Side) Starter

CN2
Number Compustar Vehicle Location Function
1 Green/White None None ( - ) Light Output
2 Black None None ( - ) Status Output
3 Green None None ( - ) Ignition Output
4 White/Black None None ( - ) Accessory Output
5 Red/Black None None ( - ) Starter Output

CN3
Number Compustar Vehicle Location Function
1 Light Blue E Brake ( - ) E Brake Sensing
2 Gray/Black Optional Optional ( - ) Hood Sensing
3 Light Blue/White green/white Brake Pedal Switch ( + ) Brake Sensing
4 Violet/Black None None ( - ) Trunk Sensing
5 Red/White red/white Instrument Cluster ( - ) Door Sensing
6 Red/White None None ( + ) Door Sensing
7 Brown/Black Diesel Only Diesel Only ( - ) Glow Plug
8 Brown/White Diesel Only Diesel Only ( + ) Glow Plug
9 Yellow/Black White Instrument Cluster Engine Sensing (Tachometer)

CN4
Number Compustar Vehicle Location Function
1 None None None None
2 Violet/White Manual Release Manual Release ( - ) Trunk Unlock
3 Orange/Black None None ( - ) 2nd Pulse Unlock
4 Blue Brown Drivers Kick ( - ) Unlock
5 Blue/Black Brown/White Drivers Kick ( - ) Lock
6 None None None None

CN5
Number Compustar Vehicle Location Function
1 Orange Factory Alarm Factory Alarm ( - ) Rearm
2 Orange/White Factory Alarm Factory Alarm ( - ) Disarm
3 Violet Red/White Intrument Cluster (Auto Only) ( - ) Dome Light Supervision
4 Brown Red Siren ( + ) Siren
5 White Green/Black Horn Switch ( - ) Horn
6 Yellow Optional Optional ( - ) Aux 1
7 Yellow/White Optional Optional ( - ) Aux 2
8 None None None Future Use

CN6
Number Compustar Vehicle Location Function
1 Led ( - ) Pre-Wired Pre-Wired Led
2 Led ( + ) Pre-Wired Pre-Wired Led

CN7
Number Compustar Vehicle Location Function
1 Black Pre-Wired Pre-Wired ( - )
2 White Pre-Wired Pre-Wired 2nd Shock
3 Red Pre-Wired Pre-Wired ( + )
4 Yellow Pre-Wired Pre-Wired 1st Shock

CN8
Number Compustar Vehicle Location Function
2 Pre-Wired Pre-Wired Pre-Wired (Optional Sensor) 2nd
1 Pre-Wired Pre-Wired Pre-Wired (Optional Sensor) 1st

CN9
Number Compustar Vehicle Location Function
4 Pre-Wired Pre-Wired Pre-Wired (Remote Paging System) Led
3 Pre-Wired Pre-Wired Pre-Wired (Remote Paging System) ( + )
2 Pre-Wired Pre-Wired Pre-Wired (Remote Paging System) Knock
1 Pre-Wired Pre-Wired Pre-Wired (Remote Paging System) ( - )

CN10
Number Compustar Vehicle Location Function
3 Pre-Wired Pre-Wired Pre-Wired (Temp Sensor) ( - )
2 Pre-Wired Pre-Wired Pre-Wired (Temp Sensor) Temp CN10
1 Pre-Wired Pre-Wired Pre-Wired (Temp Sensor) ( + )

CN11
Number Compustar Vehicle Location Function
4 Pre-Wired Pre-Wired Pre-Wired (Antenna) ( - )
3 Pre-Wired Pre-Wired Pre-Wired (Antenna) ( + )
2 Pre-Wired Pre-Wired Pre-Wired (Antenna) Tx
1 Pre-Wired Pre-Wired Pre-Wired (Antenna) Rx

CN12
Number Compustar Vehicle Location Function
Pre-Wired Pre-Wired Pre-Wired (Tach Learning Switch) CN12