/live/media/GP/GP_1711832_Fro.jpg)
Global Parts 1711832 A/C Trinary Switch
| Brand | Global Parts 1711832 |
|---|---|
| Fits | Isuzu · 7 vehicles |
Trinary switch. Provides feedback to the engine management system for A/C control.
Normal-open design. Helps shut the compressor off to reduce the risk of failure.
3/8"-24 male connection with high- and low-pressure operating points.
Cross-references 8-97042-385-0, 8970423850 and SW-707 for the same application. See all 4.
Global Parts A/C Trinary Switch for Isuzu
Global Parts part number 1711832 is an A/C trinary switch built for HVAC systems that use electrical feedback to the engine management system. It monitors refrigerant pressure and fan control points to help the A/C system operate within the correct range on supported Isuzu applications.
- Trinary normal-open switch design for A/C system control
- 3/8"-24 male connections
- High-pressure opening point: 383 psi
- Low-pressure opening point: 29 psi
- Fan normal closed; fan opens at 220 psi
- Direct replacement style for select Isuzu Impulse and Isuzu Stylus applications
How this switch works
This A/C trinary switch provides pressure-based input to the ECM and HVAC circuit. On modern systems, that feedback helps the engine management system coordinate compressor operation; on earlier systems, the switch can directly interrupt compressor operation to reduce the risk of compressor damage from abnormal pressure conditions. Part number 1711832 is specified for select 1991-1993 Isuzu Stylus and 1991-1992 Isuzu Impulse vehicles.
This part cross-references A/C switch numbers such as SW-707 and SW10028 for the same application.
Common issues this part addresses
- Compressor shutdown caused by incorrect refrigerant pressure readings
- Cooling fan control problems tied to A/C pressure thresholds
- A/C system cycling issues on Isuzu Impulse and Isuzu Stylus models
- Loss of ECM feedback from the pressure switch circuit
- Protection logic faults that can lead to compressor stress
Installation notes and tips
Verify thread size, connector style, and pressure settings before installation. Confirm the vehicle application against the listed fitment for 1991-1993 Isuzu Stylus and 1991-1992 Isuzu Impulse, since A/C trinary switches can vary by system calibration. Inspect the refrigerant circuit and electrical connector condition before replacing the switch.
Quality assurance
Global Parts supplies HVAC service components for automotive repair applications. Part number 1711832 is built to match the specified pressure and fan-control thresholds for the listed Isuzu fitments.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Isuzu | Stylus | 1.6L | L4 | N/A | A/C trinary switch - fits various vehicles, please check compatibility |
| 1992 | Isuzu | Impulse | 1.8L | L4 | N/A | A/C trinary switch - fits various vehicles, please check compatibility |
| 1992 | Isuzu | Impulse | 1.6L | L4 | N/A | A/C trinary switch - fits various vehicles, please check compatibility |
| 1992 | Isuzu | Stylus | 1.8L | L4 | N/A | A/C trinary switch - fits various vehicles, please check compatibility |
| 1992 | Isuzu | Stylus | 1.6L | L4 | N/A | A/C trinary switch - fits various vehicles, please check compatibility |
| 1991 | Isuzu | Impulse | 1.6L | L4 | N/A | Trinary Switch |
| 1991 | Isuzu | Stylus | 1.6L | L4 | N/A | A/C trinary switch - fits various vehicles, please check compatibility |
| No rows match your filter. | ||||||