1990 Yugo GVX Alarm, Remote Start, Keyless Entry Wiring Information​

Constant 12V+............................Brown Ignition Switch Harness 
Starter ..........................................Red Ignition Switch Harness 
Ignition .........................................Light Blue/Black Ignition Switch Harness 
Accessory .....................................Black Ignition Switch Harness 
Tach ...................................................Green Coil 
Brake Switch ..............................Red Brake Switch 
Trunk Pin .......................................n/a  
Parking Lights ............................White/Black Light Switch 
Head Lamp ....................................Green Fuse Panel 
Hood Pin .......................................n/a  
Factory Disarm ............................n/a  
Door Trigger ...............................Green (-) Driver's Pin Switch 
Door Lock ...................................n/a  
Door Unlock ..............................n/a  
Horn Wire ........................Gray/Black (-) Steering Column 

1990 Yugo GVX Stereo Wiring

Constant 12V+Red/Green 
Switched 12V+Yellow 
Ground Black 
Illumination n/a 
Dimmer n/a 
Antenna Trigger n/a 
Front Speakers 3 1/2" Doors
Left Front (+) Blue 
Left Front (-) Gray/Black 
Right Front (+) Blue 
Right Front (-) Gray/Black 
Rear Speakers 4" x 6" Rear Deck
Left Rear (+) White 
Left Rear (-) Gray/Black 
Right Rear (+) White 
Right Rear (-) Gray/Black 

1990 Yugo GV Alarm, Remote Start, Keyless Entry Wiring Information

Constant 12V+.................Brown Ignition Switch Harness 
Starter .................................Red Ignition Switch Harness 
Ignition ................................Light Blue/Black Ignition Switch Harness 
Accessory ..........................Black Ignition Switch Harness 
Tach................................... Green Coil 
Brake Switch ...............................Red Brake Switch 
Trunk Pin ......................................n/a  
Parking Lights ............................White/Black Light Switch 
Head Lamp ...............................Green Fuse Panel 
Hood Pin .......................................n/a  
Factory Disarm ...............................n/a  
Door Trigger .....................................Green (-) Driver's Pin Switch 
Door Lock  ..................................n/a  
Door Unlock ........................n/a  
Horn Wire ..................................Gray/Black (-) Steering Column

1990 Yugo GV Stereo Wiring

Constant 12V+    Red/Green 
Switched 12V+    Yellow 
Ground      Black 
Illumination........................n/a 
Dimmer ......................n/a 
Antenna Trigger ....................n/a 
Front Speakers 3 1/2" Doors
Left Front (+) Blue 
Left Front (-) Gray/Black 
Right Front (+) Blue 
Right Front (-) Gray/Black 
Rear Speakers 4" x 6" Rear Deck
Left Rear (+) White 
Left Rear (-) Gray/Black 
Right Rear (+) White 
Right Rear (-) Gray/Black