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# TR500-Lite Install Guide

## 🚗 **Linxio GPS 4-Pin Tracker – Basic Installation Guide**


### ⚙️ **1. Identify the 4 Wires**

Most Linxio 4-pin harnesses use the following standard colors:
| Wire Color | Function | Connect To |
| ---- |
| 🔴 **Red** | +12V/+24V Power | Constant 12V/24V source (battery positive) |
| ⚫ **Black** | Ground | Vehicle chassis or battery negative terminal |
| 🟠 **Orange** | ACC / Ignition sense | Wire that becomes live (12V/24V) when ignition key is ON |
| 🟡 **Yellow** | Relay control / Output (optional) | To relay if you’re installing a fuel-cut or immobilizer feature (optional |


### 🔌 **2. Mount the GPS Tracker**

* Choose a hidden but **signal-friendly** location inside the vehicle.
* Common spots: under dashboard, behind glove box, or under rear parcel shelf.
* Avoid placing it directly under metal surfaces.
* The **GPS antenna side** (flat top) should face upward toward the sky.


### ⚡ **3. Connect Power and Ground**

* Connect the **red wire** to a **constant 12V/24V** power line — directly from the fuse box or battery.
* Use an **in-line fuse (1A–3A)** to protect the circuit.
* Connect the **black wire** securely to a **clean ground point** on the chassis.


### 🔑 **4. Connect the Ignition (ACC) Wire**

* Find a wire that has **12V/24V only when ignition is ON,** Use a Multimeter for this.
* Connect the **orange wire** there.
* This allows Linxio to detect when the engine is running or off.


### 🧩 **5. (Optional) Connect the Relay / Cut-Off Function**

If your tracker supports immobilization (fuel cut, starter disable, etc.):
* Use the **Yellow Wire** from the tracker to control a **relay**.
* Wire the relay in series with the **fuel pump** or **starter circuit**.
* When activated via the Linxio platform, the relay opens the circuit — disabling the vehicle.
*( Please skip this step if you’re doing a standard tracking-only install.)*


### 📶 **6. Test the Unit**

1. Turn ignition ON.
2. Check tracker LEDs — you should see:
* Power LED (solid)
* GPS LED (blinking, then solid once locked)
* GSM LED (blinking indicates network activity).
3. Verify the tracker reports live location in your **Linxio platform/app**.



### ![](https://storage.crisp.chat/users/helpdesk/website/-/4/3/d/8/43d837e8d5f88000/tr500-concox_1jg1v6k.png)