Whether you are upgrading your old Toyota Pickup stereo system or simply replacing your worn out factory radio with a new one, having a proper wiring diagram is crucial. In this article, we will be discussing the 1985 Toyota Pickup stereo wiring diagram in detail.
The Wiring Diagram
The wiring diagram of the 1985 Toyota Pickup stereo system consists of several components that are interconnected. These components include the head unit, speakers, amplifier, and the power source. To properly wire the stereo system, you need to have a clear understanding of these components and their connections.
The Head Unit
The head unit, also known as the receiver, is the centerpiece of the stereo system. It is where you control the audio settings and playback options. In the 1985 Toyota Pickup, the head unit can be either a single DIN or double DIN size, depending on the trim level. The wiring for the head unit is as follows:
| Wire Color | Function | Connection |
|---|---|---|
| Yellow | Battery | Connect to the positive terminal of the battery |
| Red | Ignition Switch | Connect to the ACC or RUN position of the ignition switch |
| Black | Ground | Connect to a solid metal part of the vehicle chassis |
| White | Left Front Speaker Positive | Connect to the positive terminal of the left front speaker |
| White with Black Stripe | Left Front Speaker Negative | Connect to the negative terminal of the left front speaker |
| Gray | Right Front Speaker Positive | Connect to the positive terminal of the right front speaker |
| Gray with Black Stripe | Right Front Speaker Negative | Connect to the negative terminal of the right front speaker |
| Green | Left Rear Speaker Positive | Connect to the positive terminal of the left rear speaker |
| Green with Black Stripe | Left Rear Speaker Negative | Connect to the negative terminal of the left rear speaker |
| Violet | Right Rear Speaker Positive | Connect to the positive terminal of the right rear speaker |
| Violet with Black Stripe | Right Rear Speaker Negative | Connect to the negative terminal of the right rear speaker |
The Amplifier
The amplifier is responsible for boosting the audio signal from the head unit to the speakers. In the 1985 Toyota Pickup, the amplifier is located behind the glovebox. The wiring for the amplifier is as follows:
| Wire Color | Function | Connection |
|---|---|---|
| Blue | Remote Turn On | Connect to the blue wire on the head unit |
| Red | Battery | Connect to the positive terminal of the battery |
| Black | Ground | Connect to a solid metal part of the vehicle chassis |
| White | Left Front Speaker Positive | Connect to the positive terminal of the left front speaker |
| White with Black Stripe | Left Front Speaker Negative | Connect to the negative terminal of the left front speaker |
| Gray | Right Front Speaker Positive | Connect to the positive terminal of the right front speaker |
| Gray with Black Stripe | Right Front Speaker Negative | Connect to the negative terminal of the right front speaker |
| Green | Left Rear Speaker Positive | Connect to the positive terminal of the left rear speaker |
| Green with Black Stripe | Left Rear Speaker Negative | Connect to the negative terminal of the left rear speaker |
| Violet | Right Rear Speaker Positive | Connect to the positive terminal of the right rear speaker |
| Violet with Black Stripe | Right Rear Speaker Negative | Connect to the negative terminal of the right rear speaker |
FAQs
Q: Can I install a new stereo system in my 1985 Toyota Pickup if it already has a factory radio?
A: Yes, you can. However, you need to have a proper wiring diagram and the necessary tools to do the installation.
Q: Do I need to disconnect the battery before installing a new stereo system?
A: Yes, you need to disconnect the battery before doing any electrical work in your vehicle. This will prevent any electrocution or short-circuit accidents.
Q: How do I know which wire is for which speaker?
A: You can use a multimeter or a speaker wire tester to identify which wire is for which speaker.
Q: Can I replace the factory speakers with aftermarket ones?
A: Yes, you can. However, you need to make sure that the aftermarket speakers are compatible with your stereo system and that they fit in the factory speaker mounts.
Q: Do I need to use an amplifier in my stereo system?
A: It depends on the power output of your head unit and the speakers. If your head unit has a high power output and your speakers are efficient, you may not need an amplifier. However, if you want to achieve a higher sound quality and power output, an amplifier is recommended.
