Geo  Spectrum 1987-1989
 PART   COLOR  LOCATION
 12 VOLT CONSTANT   BLACK (+)   @ IGNITION SWITCH HARNESS
 STARTER  BLACK/WHITE (+)  @ IGNITION SWITCH HARNESS
 STARTER 2  N/A  
 IGNITION 1  BLACK/YELLOW (+)  @ IGNITION SWITCH HARNESS
 IGNITION 2  N/A  
 IGNITION 3  N/A  
 ACCESSORY/HEATER BLOWER 1  BLUE (+)  @ IGNITION SWITCH HARNESS
 ACCESSORY/HEATER BLOWER 2  N/A  
 KEYSENSE  N/A  
 PARKING LIGHTS ( - )  N/A  
 PARKING LIGHTS ( + )  GREEN/RED (+)  @ HEADLIGHT SWITCH
 POWER LOCK  ADD ACTUATORS  TO ALL DOORS, See DIAGRAM
 POWER UNLOCK  ADD ACTUATORS  TO ALL DOORS, See DIAGRAM
 DOOR TRIGGER  N/A  
 DOMELIGHT SUPERVISION  BLACK (-), (Requires Part #775 Relay)  @ DRIVERS DOOR PIN SWITCH
 TRUNK RELEASE  N/A  
 SLIDING POWER DOOR  N/A  
 HORN  GREEN (-)  @ STEERING COLUMN HARNESS
 TACH  BLACK/RED (AC)  @ IGNITION COIL
 WAIT TO START LIGHT  N/A  
 BRAKE  BLUE (+)  @ SWITCH ABOVE THE BRAKE PEDAL
 FACTORY ALARM DISARM   N/A  
 ANTI-THEFT  N/A  
 EXTRA INFORMATION