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1990 Toyota Truck No Stereo Wiring Harness!

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Reddleman 
Member - Posts: 4
Member spacespace
Joined: June 18, 2002
Location: United States
Posted: June 18, 2002 at 1:16 AM / IP Logged  

Help!  I'm installing a stereo in my toyota and it has no factory stereo wiring harness.  Does anyone know where to find the ignition source and also the constant 12v source?  Any help would be greatly appreciated.  Thanks again.

DaveW

the12volt 
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Joined: March 07, 2002
Location: Louisiana, United States
Posted: June 18, 2002 at 11:55 AM / IP Logged  

Hi Reddleman, if you can not locate any leads in the stereo location, you can always get a constant and accessory source at the ignition switch harness. Just be sure to fuse them appropriately.

the12volt

the12volt 
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Joined: March 07, 2002
Location: Louisiana, United States
Posted: June 18, 2002 at 11:58 AM / IP Logged  

BTW, here are the factory stereo colors for your vehicle: https://www.the12volt.com/installbay/detail.asp?info=alarm&year=1990&make=Toyota&model=Pickup&ID=19025&type=Stereo

And here are the colors for the leads you can use in the ignition switch harness: https://www.the12volt.com/installbay/detail.asp?info=alarm&year=1990&make=Toyota&model=Pickup&ID=19025&type=Alarm

the12volt

Velocity Motors 
Moderator - Posts: 12,488
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Joined: March 08, 2002
Location: Manitoba, Canada
Posted: June 18, 2002 at 11:58 AM / IP Logged  

https://www.the12volt.com/installbay/detail.asp?info=alarm&year=1990&make=Toyota&model=Pickup&ID=19025&type=Stereo

Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Reddleman 
Member - Posts: 4
Member spacespace
Joined: June 18, 2002
Location: United States
Posted: June 18, 2002 at 5:28 PM / IP Logged  

What do you mean fuse them?  My stereo has a 20amp fuse on it.  Do I need inline fuses?  If so, what amp or voltage?

Dave

TiCo_RuLeZ 
Member - Posts: 1
Member spacespace
Joined: October 31, 2002
Location: Costa Rica
Posted: October 31, 2002 at 9:50 PM / IP Logged  

Toyota always use the same color code for the stereo.

Brown - Ground

Grey - 12 Volt Constant

Blue / YELLOW  - Accesories

Dark Green - Illumination

Rigth Front speakers - Light Green (+) Blue (-)

Left Front speakers - Pink (+) Purple (-)

Right Rear speaker - Red (+) White (-)

Left Rear speaker - Black (+) Yellow (-)

Note that the rear speakers always comes in a separate group.

Sound Pressure 
Silver - Posts: 711
Silver spacespace
Joined: March 09, 2002
Location: United States
Posted: October 31, 2002 at 11:15 PM / IP Logged  
You always would want to fuse your electronics. It's better to be safe than sorry. 1990 Toyota Truck No Stereo Wiring Harness! -- posted image.
Sound Pressure
You know you have the right amount of pressure when your eyes start to water! Now you've got Juice!

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