Here is the wiring for the caddy, also if you can get one grab yourself an idatalink bypass module model# ads-dl it will eliminate like 50% of the wires that you will need to hook up trust me it's worth it for this ride they won't sell you that omodule cause it needs to be programmed online with a special harness then get the idatalink module model # ads-tbsl-(gm) or (pl) it is already preprogrammed and slightly cheaper but you'll still have to hook up most of the wire's manually.
12 VOLTS orange or orn/blk + ignition harness Notes: The DIM module is located just in front of the blower motor near the passenger kick. It has three connectors that all exit out of the bottom of the module.
STARTER 1 yellow + ignition harness Notes: The ignition harness is accessed by removing, but not unplugging the radio.
IGNITION 1 pink + ignition harness Notes: The ignition harness is accessed by removing, but not unplugging the radio.
IGNITION 2 white + ignition harness Notes: The ignition harness is accessed by removing, but not unplugging the radio.
ACCESSORY 1 orange + ignition harness Notes: The ignition harness is accessed by removing, but not unplugging the radio.
ACCESSORY 2 brown + ignition harness Notes: The ignition harness is accessed by removing, but not unplugging the radio.
KEYSENSE
POWER LOCK RED / black - drivers door lock switch Notes: Can also use idatalink interface module.
POWER UNLOCK ORANGE / black - drivers door lock switch Notes: Can also use idatalink interface module.
DOORLOCK MOTOR gray drivers door module Notes: The drivers door module is located above the speaker in the drivers door.
DOOR UNLOCK MOTOR tan drivers door module Notes: The drivers door module is located above the speaker in the drivers door.
FACTORY ALARM ARM arms on lock with door open Notes: Can also use idatalink interface module.
FACTORY ALARM DISARM lt. green - driver door module Notes: The driver door module is located above the speaker in the driver door.
PARKLIGHTS POSITIVE do not use
PARKLIGHTS NEGATIVE BROWN / white dim module Notes: The DIM module is located just in front of the blower motor near the passenger kick. It has three connectors that all exit out of the bottom of the module.
HEADLIGHT white - dim module Notes: The RIM module is located behind the rear seat in the lower corner on the passenger side.
BRAKE white + low in drivers kick
DOOR PIN - Notes: The drivers door trigger wire is tan at the drivers door module, and the other door triggers are dk. blue at their respective door modules. idatalink module can be used
TRUNK PIN black - rim module Notes: The RIM module is located behind the rear seat in the lower corner on the passenger side.
DOMELIGHT SUPERVISION gray - underdash light
TACH PURPLE / white ign. coil on top of motor
VSS dk. GREEN / WHITE cruise control module Notes: The cruise control module is located under the hood at the top center of the firewall.
GLOW PLUGS
TRUNK RELEASE lt. blue - rim module Notes: The RIM module is located behind the rear seat in the lower corner on the passenger side.
LEFT FRONT UP/DWN dk. blue - brown A drivers door module Notes: The drivers door module is located above the speaker in the drivers door.
RIGHT FRONT UP/DWN dk. blue - brown A passenger door module Notes: The passengers door module is located above the speaker in the passenger door.
LEFT REAR UP/DWN dk. blue - brown A lr door module
RIGHT REAR UP/DWN dk. blue - brown A rr door module
SUNROOF LIMIT red - sunroof motor Notes: The sunroof motor is located to the rear of the sunroof towards the top center of the rear window.
SUNROOF OPEN/CLOSE dk. grn - lt. grn A sunroof motor Notes: The sunroof motor is located to the rear of the sunroof towards the top center of the rear window.