The Genie 128940GT Relay Harness, PBOX LVI Option is a genuine OEM electrical component designed for Z-45/25, Z-45/25J DC, and Z-45/25J Bi-Energy articulating boom lifts. Sourced directly through Genie's OEM supply chain, this harness is built to the exact specification required for the power box low-voltage interlock option on these machines. Cross-reference part number 128940GT against your machine's parts manual to confirm it is the correct harness for your unit before ordering.
Key Features
- Genuine OEM Electrical Integrity — Built to Genie's exact wiring and connector specifications, ensuring correct resistance, pinout, and insulation grade for the PBOX LVI circuit.
- Direct-Replacement Fit — Designed to connect and route exactly as the original, allowing straightforward installation without cutting, splicing, or adapting existing connectors.
- Confirmed Fitment — Compatible with Z-45/25, Z-45/25J DC, and Z-45/25J Bi-Energy articulating boom lifts — verify your model and serial number against your parts manual before ordering.
- Interlock System Reliability — A sound relay harness maintains correct signal continuity across the low-voltage interlock circuit; a damaged or corroded harness can cause erratic interlock behavior or prevent the machine from operating as intended.
- Operational Safety Support — The low-voltage interlock system is a functional safety circuit on these boom lifts. Using the correct OEM harness ensures the interlock operates as Genie engineered it, supporting safe machine behavior at height.
The relay harness for the PBOX LVI option routes and connects the electrical signals that allow the power box low-voltage interlock to function on compatible Z-45/25 series articulating boom lifts. This interlock circuit monitors and controls machine operation under low-voltage conditions, and the harness is the physical backbone that carries those signals between components. A harness that is cracked, corroded, or damaged at its connectors can interrupt signal continuity, leading to interlock faults or machine shutdowns — replacing it with the correct OEM part restores the circuit to its original designed state.
Part Details
| Part Number | 128940GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Relay Harness, PBOX LVI Option |
Compatibility & Fitment
| Name | Model |
|---|---|
| Z-45/25 | Z-45/25 |
| Z-45/25J DC | Z-45/25J DC |
| Z-45/25J Bi-Energy | Z-45/25J Bi-Energy |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.