Holley RetroBright Ground Switched Harnesses H840 Wiring Harnesses, RetroBright, Harness, Easy Installation, Toyota, Land Cruiser, Each
Holley RetroBright Ground Switched Harnesses H840 Wiring Harnesses, RetroBright, Harness, Easy Installation, Toyota, Land Cruiser, Each
Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:16:29
Features
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Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Holley, Hilborn, Holley Efi, Retrobright, Terminator X |
| StreetFX SKU | hlyH840 |
| SFX Item ID | 4783593 |
| Accounting SKU | hly-H840 |
| Manufacturer SKU | H840 |
| Manufacturer UPC | 090127147757 |
| Alternative References | H840, HLY-H840, HOLH840 |
Wiring Harnesses, RetroBright, Ground Switched Harness, Easy Installation, Toyota, Land Cruiser, Each
Many Toyota vehicles will have a switched ground that doesn't allow Holley's RetroBright headlights to work right out of the box, however Holley has a solution--RetroBright ground switched harnesses.
Each harness is designed to switch the ground back, then the headlights can be plugged into the harness, allowing you to enjoy the safety and beauty of RetroBright LED lighting. Installation is easy and effective as there is no special cutting or major reconfiguration of the factory wiring necessary.
| Product Attributes | |
|---|---|
| Brand | Holley |
| Manufacturer's Part Number | H840 |
| Part Type | Wiring Harnesses |
| Product Line | Holley RetroBright Ground Switched Harnesses |
| UPC | 090127147757 |
| Harness Length | Standard |
| Fuse Block Included | No |
| Quantity | Sold individually. |
| Notes | Designed for vehicles with switched ground application (typically older Toyotas). |
Compatibility
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