Skip to content
View in the app

A better way to browse. Learn more.

Ultimate Subaru Message Board

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

87 GL Wagon wiring issues -- HELP! Please?

Featured Replies

So I just bought myself a pretty decent '87 GL Wagon.

 

I went to Best Buy yesterday to grab a stereo.

We spent a good three hours trying to figure out which wire is which.

I don't have extra money to pay Best Buy ($69.99) to install it.

 

If anyone could help with common wiring colors for this model, it'd be greatly appreciated.

Edited by Cptn_Dngr

Did you puchase a wire harness adapter to go between the existing radio plug and the new radio wiring? If not you need to get one. I think they about 20 dollars. Hopefully you haven't cut the original radio plug off already.

 

Here is some info that may help you also. The constant power may be just green on yours though.

 

Constant 12V+Red/Green

Switched 12V+Blue/Yellow

Ground Black

Illumination Red

 

Doors

Left Front (+)Yellow

Left Front (-)Blue/Red

Right Front (+)White

Right Front (-)Blue/Black

Left Rear (+)Yellow/White

Left Rear (-)Blue/Red

Right Rear (+)White/Blue

Right Rear (-)Blue/Black

Edited by Cougar

the subaru is a common ground. the left and right speakers use the same ground, for front, and for back.

 

2 of the ground wires on the aftermarket radio will not be used

2 of the ground wires on the aftermarket radio will not be used?

 

 

Miles

I'm is the process of put a Kenwood deck in the wifes car, and according to the manual for it "The unit may be damaged or fail to work if you share the ( - ) wires or ground them to any metal part in the car." His best bet is the write up in the USRM. http://www.ultimatesubaru.org/forum/showthread.php?t=50840

Edited by Uncle Ed

one negative lead on the front, and one in the back will not be used. i just tape them off and tuck them out of the way. the stereo will ground to the chassis through the antenna wire. i have always used the common ground hookup every time i have installed radios in older soobs

The DC return path for the radio should have a good ground connection tied to the chassis of the radio and to the car body, seperate from the antenna. It shouldn't have to use the antenna lead ground to make connection.

Please sign in to comment

You will be able to leave a comment after signing in

Sign In Now

Account

Navigation

Search

Search

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.