Liftmaster K94-32309, J2 HARNESS ASSEMBLY, SL585, SL595
The LiftMaster K94-32309 is a J2 harness assembly designed for SL585 and SL595 commercial slide gate operator platforms. It is a preconfigured internal wire harness used to connect the correct board or control-circuit locations without fabricating individual conductors in the field.
Harness problems can create intermittent operation, accessory faults, error conditions, failed control signals, or unreliable communication between operator components. Replacing the harness is often cleaner and more dependable than repairing individual damaged wires, especially where connectors, pin tension, or insulation are compromised. Correct connector orientation and routing are important to avoid pin damage or interference with moving parts.
Compatible With
Documented compatibility includes:
- LiftMaster SL585 slide gate operators
- LiftMaster SL595 slide gate operators
- SL585 and SL595 perimeter access system references
- Commercial slide gate operators where the parts diagram lists K94-32309 as the J2 harness
- Control assemblies using the matching J2 connector layout
Features & Specifications
| Manufacturer | LiftMaster |
|---|
| Product Type | J2 Wire Harness Assembly |
|---|
| Part Number | K94-32309 |
|---|
| Application | Internal operator wiring harness |
|---|
| Compatible Operator Type | Commercial slide gate operators |
|---|
| Compatible Models | SL585, SL595 |
|---|
| Connector Type | J2 harness connection |
|---|
| Notes | Match board connector and routing before installation |
|---|
Also Known As / Related Part Numbers
- K94-32309
- 94-32309
- J2 harness
- J2 wire harness
- SL585 harness
- SL595 harness
Technician Note
Before replacing the harness, inspect the board pins and connector sockets. If a board header is bent, burned, corroded, or loose, a new harness alone may not correct the problem.
Before Ordering
- Confirm the operator is an SL585 or SL595 platform
- Verify the J2 harness callout in the parts diagram
- Compare connector count, orientation, and wire routing with the original harness
- Inspect board pins and mating connectors for corrosion or heat damage
- Route the harness away from moving parts, sharp edges, and high-heat areas
Professional Advisory
Disconnect power before servicing operator wiring. If the harness failure involves burned wires, short circuits, or high-voltage damage, have the operator checked by a qualified gate technician before returning it to service.
Important Ordering Warning
This is not a universal slide gate harness. It is specifically tied to the J2 harness location on compatible SL585 and SL595 operators.
Product Questions
What operators use the K94-32309 harness?
It is documented for LiftMaster SL585 and SL595 commercial slide gate operators.
What does the J2 harness connect?
It connects the designated J2 wiring point between the proper internal control components on compatible operators.
Can I repair the old harness instead?
Minor damage may be repairable by a qualified technician, but broken connectors, pin damage, corrosion, or heat damage often justify replacing the harness.
Will this fit every SL series operator?
No. It should be used only where the parts diagram lists K94-32309 for the J2 harness assembly.
What should I inspect before installing it?
Check the board header pins, connector sockets, wire routing, insulation condition, and any signs of heat or corrosion.
