Ing. Electrico

1985-89 Chevrolet Astro Stereo Wiring |
Constant 12V+ | Orange  |
Switched 12V+ | Yellow  |
Ground | Black  |
Illumination | Gray  |
Dimmer | Brown  |
Antenna | Right Front  |
FrontSpeakers | 6" x 9" Dash |
Left Front (+) | Tan  |
Left Front (-) | Gray  |
Right Front (+) | Light Green  |
Right Front (-) | Dark Green  |
Rear Speakers | 6" x 9" Rear Doors |
Left Rear (+)| Brown  |
Left Rear (-) | Yellow  |
Right Rear (+) | Dark Blue  |
Right Rear (-) | Light Blue  |

1985-89 Chevrolet Astro Cruise Control Wiring Information |
Constant 12V+ | Red  |Ignition Switch Harness or Use Hot Side of Brake |
Switched 12V+ | Pink  | Ignition Switch Harness  |
Ground | Use Chassis  | Near Cruise Control Module  |
Hot Side of Brake | Orange  | Brake Switch  |Cold Side of Brake | White  | Brake Switch  |
Tach | White  | Or Purple/White (-) At Coil or Multi Coil Pack  |
VSS Wire | Light Blue/Black  | DRAC Module between Steering Column and Radio  |Pulses Per Mile | 2000 PPM  |
Notes: Vehicles with Manual Transmission require Clutch Switch. Some vehicles may require a speed signal generator and/or other parts/adapters not listed above.Rostra® Cruise Control module switch settings may differ if you use a speed signal generator or magnets and a pick up coil. |

1985-89 Chevrolet Astro Alarm, Remote Starter, Keyless Entry WiringInformation |
Constant 12V+ | Red  | Ignition Switch Harness  |
Starter | Yellow  | Ignition Switch Harness  |
Ignition | Pink  | Ignition Switch Harness  |
Accessory | Orange  | Ignition SwitchHarness  |
Tach | White  | Or Purple/White (-) At Coil or Multi Coil Pack  |
Brake Switch | White  | Brake Switch  |
Trunk Pin | n/a  | Works with Dome Light  |
Parking Lights | Brown  | LightSwitch  |
Head Lamp | Yellow  | Light Switch  |
Hood Pin | n/a  |   |
Factory Disarm | n/a  |   |
Door Trigger | Black/Orange (-)  | Driver's Kick Panel  |
Door Lock | Light Blue  | Driver's...