Tacoma 4th Gen Parking Mode: Can You Use the 5-Pin Connector?
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Tacoma 4th Gen Parking Mode: Can You Use the 5-Pin Connector?
🔌 Understanding the 5-Pin Connector
The 5-pin connector, often called the "rooftop option connector," is tucked away above your headliner, accessible by removing the dome light assembly . It's present on all 2024+ Tacoma trims and provides access to the truck's electrical system. The key thing to know: this connector includes both switched (ignition-on) and constant (always-on) power sources . That means it can support parking mode—if you tap into the right wires.
One Tacoma4G forum member who dove into the wiring diagrams confirmed: "Yes, this taps into the factory wiring harness connector reserved for the OEM dashcam. It provides the constant and accessory voltage needed for parking mode."
⚡ Option 1: The Dongar Pro – Plug-and-Play Parking Mode
Dongar Technologies, known for their clean mirror-tap adapters, has released the Dongar Pro, which they describe as "the first and only parking-mode-enabled plug & play adapter on the market" . It's specifically designed for vehicles like the 2024+ Tacoma and offers three selectable power modes via a slider switch :
- I (Ignition Mode): Power only when the vehicle is on – standard switched power, no parking mode.
- ∞ (Continuous Mode): Constant power with low-voltage auto shutoff (at 11.8V) to protect your battery.
- Timer Mode: Runs for a set time (e.g., 16 hours) or until voltage drops, whichever comes first.
The Pro comes with two harness options: a 5-pin for roof-cavity installation (using your truck's hidden connector) and a 10-pin for mirror installation . The PRO module then connects to your dash cam via USB-C, with included adapters for Micro USB and Mini USB .
Installation Overview (Roof-Cavity Method)
- Remove the dome light assembly. Place your fingers at the front and pull straight down .
- Locate the 5-pin connector. Inside the cavity, you'll find the factory port .
- Connect the 5-Pin PRO harness. Plug it in and route the 3-pin end through the headliner .
- Connect to the PRO USB module. Plug the 3-pin head in, then connect your dash cam via USB-C .
- Test and reassemble. Turn on your vehicle and verify power .
🛠️ Option 2: DIY Hardwire Using the 5-Pin Connector
If you're handy with wiring and want full control over your parking mode setup, you can tap directly into the 5-pin connector. This is essentially what the Dongar Pro does internally, but doing it yourself gives you flexibility to use any hardwire kit.
A detailed guide on Tacoma4G forums outlines the process :
What You'll Need
- Dash cam with parking mode support (e.g., VIOFO A229)
- Hardwire kit for your camera (includes fuse tap, voltage regulator)
- OEM-style 5-pin plug (90980-12366) with pre-pinned wires
- Crimp connectors or soldering iron
Wiring Diagram
The 5-pin connector has three relevant wires :
- Pin 1 (Battery / Constant): 12V always-on (Yellow wire)
- Pin 2 (Accessory / Switched): 12V with ignition (Red wire)
- Pin 4 (Ground): (Black wire)
Connect these to your hardwire kit's corresponding wires. Most kits have three wires: constant (yellow), switched (red), and ground (black).
Step-by-Step
- Connect the wires. Solder or crimp the plug's wires to your hardwire kit's wires: constant to constant, switched to switched, ground to ground .
- Remove the dome light. Pull straight down on the front—there are two red clips . (Replacement clips are available if you break any.)
- Plug into the factory connector. It should be present on all 2024+ models .
- Route cables. The space next to the dome light is large enough to stash excess wire. For rear cameras, route along the headliner .
🔋 Option 3: External Battery Pack (Zero Impact on Your Truck)
For those who are extra cautious about the Tacoma's sensitive electronics or simply want the longest possible parking mode duration, an external battery pack is the ultimate solution. Brands like BlackBoxMyCar sell dedicated dash cam batteries that charge while you drive and power the camera when parked . This completely isolates the camera from your truck's electrical system.
One Land Cruiser owner (LC250 shares similar architecture) explained: "You can plug the battery into the vehicle's 12v power so it charges while you drive and powers the dash cam. Then the dash cam draws power from this battery when the engine is off. Much simpler and avoids any issues with the vehicle's electronics or killing the vehicle's battery."
While this option costs more ($200–400 for the battery pack), it offers peace of mind and can power your camera for extended periods without touching your truck's battery.
📊 Comparison: Which Method Should You Choose?
| Method | Difficulty | Parking Mode | Battery Protection | Cost | Best For |
|---|---|---|---|---|---|
| Dongar Pro | Easy (30 min) | ✅ Yes (3 modes) | ✅ 11.8V cutoff | ~$65–70 | Plug-and-play simplicity |
| DIY Hardwire | Moderate | ✅ Yes (if camera supports) | ⚠️ Depends on hardwire kit | $10–30 + connector | Full control, lower cost |
| External Battery | Moderate | ✅ Extended recording | ✅ Isolates truck battery | $200–400 | Maximum recording time, zero risk |
| Standard Dongar | Easy | ❌ No | N/A | ~$20–25 | Switched power only |
⚠️ Important Warnings
👥 Real Owner Experiences
❓ Frequently Asked Questions
Yes, it includes both constant (battery) and switched (accessory) power sources, as confirmed by wiring diagrams and owner teardowns .
The Pro provides constant power via USB-C. Thinkware and BlackVue cameras typically use 12V over RJ11 or DC barrel plugs. You would need a USB-C to RJ11/DC barrel plug cable, which exists but in longer lengths .
The wiring is 22AWG and fused off the dome light circuit (10A). It's recommended not to draw more than 5A to be safe .
The Wefoka does not have parking mode, so you would only need switched power. The standard Dongar 5-pin USB adapter (non-Pro) would work perfectly for a clean, always-on-with-ignition install.
All three methods discussed include battery protection: the Dongar Pro cuts off at 11.8V , DIY hardwire kits typically include voltage cutoffs, and external batteries isolate the truck battery entirely. The risk is minimized with proper setup.
📌 The Bottom Line: Yes, You Can Use the 5-Pin Connector for Parking Mode
The factory 5-pin connector in your 2024–2025 Tacoma is absolutely capable of supporting parking mode. Your choice comes down to your comfort level with wiring and your specific camera:
- If you want the easiest plug-and-play solution: The Dongar Pro is purpose-built for this, offering three power modes with built-in battery protection .
- If you have a camera with sophisticated parking mode (like VIOFO) and want to preserve that functionality: The DIY hardwire method using the OEM plug gives you full control and uses your camera's own hardwire kit .
- If you want maximum recording time and zero impact on your truck's battery: An external battery pack is the ultimate (though more expensive) solution .
Whichever path you choose, you'll be taking advantage of Toyota's thoughtful engineering—a hidden power source that makes a clean, professional installation easier than ever.
As one satisfied DIY installer put it:
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