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Standard Ignition NS740 Clutch Starter Safety Switch
| Brand | Standard Ignition NS740 |
|---|---|
| Contents | 1 Switch |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Fits | Jeep, Dodge, and Fiat · 26 vehicles |
OE direct replacement. Direct-fit design ensures easy installation and proper fit.
Copper alloy conductors. Deliver superior conductivity with low resistive losses.
Blade terminals. Three male terminals for a secure electrical connection.
Cross-references 1S12666, 56038959AA and 56038959AB for the same application. See all 6.
Clutch Starter Safety Switch Overview
Standard Ignition NS740 is a direct-fit clutch starter safety switch for vehicles equipped with a manual transmission start interlock. It is built for OE-style fit, stable electrical contact, and straightforward replacement on select Jeep Cherokee, Dodge Dart, and Fiat 500L applications.
Key Features
- Direct-fit OE replacement for proper fit, form, and function
- Copper alloy conductors for strong electrical conductivity and low resistive loss
- Robust construction with high-grade materials for service use
- Male blade terminals with 3-terminal configuration
- Designed for manual-transmission starter safety circuits
- Standard Ignition NS740 cross-references OE-style applications
Detailed Product Information
This clutch starter safety switch helps complete the starter interlock circuit so the vehicle can recognize clutch pedal position during engine start. Standard Ignition NS740 is engineered as an OE replacement, which supports correct installation and consistent electrical performance. It is a practical choice for 2014-2020 Jeep Cherokee, 2013-2016 Dodge Dart, and 2014-2016 Fiat 500L models that require this style of clutch start switch. The part number NS740 is also referenced in service and catalog listings for related OE-style applications.
This part cross-references 56038959AA and NS7142 for the same application.
Common Issues This Part May Address
- Engine will not crank when the clutch pedal is pressed
- Intermittent starter engagement caused by a worn switch
- Starter interlock circuit faults related to clutch pedal position sensing
- Electrical contact loss from damaged or high-resistance switch terminals
- Replacement needs after diagnosis of a failed clutch starter safety switch
Installation Notes and Tips
Verify connector style, terminal count, and vehicle application before installation. NS740 uses a male blade terminal design with three terminals, so matching the original switch configuration is important for proper fitment. Confirm the clutch pedal switch location and inspect the connector for corrosion, heat damage, or loose terminals before installing the new unit. For best results, compare the original part number and vehicle build details against the catalog listing for your Jeep Cherokee, Dodge Dart, or Fiat 500L.
Quality Assurance
Standard Ignition maintains quality control throughout the manufacturing process and uses materials selected for demanding service conditions. The switch is built as a direct replacement part for consistent fit and dependable electrical performance.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Jeep | Cherokee | 3.2L | V6 | N/A | — |
| 2020 | Jeep | Cherokee | 2.4L | L4 | N/A | — |
| 2019 | Jeep | Cherokee | 3.2L | V6 | N/A | — |
| 2019 | Jeep | Cherokee | 2.4L | L4 | N/A | — |
| 2018 | Jeep | Cherokee | 3.2L | V6 | N/A | — |
| 2018 | Jeep | Cherokee | 2.4L | L4 | N/A | — |
| 2017 | Jeep | Cherokee | 2.4L | L4 | N/A | — |
| 2017 | Jeep | Cherokee | 3.2L | V6 | N/A | — |
| 2016 | Dodge | Dart | 2.4L | L4 | N/A | — |
| 2016 | Fiat | 500L | — | — | N/A | — |
| 2016 | Jeep | Cherokee | 3.2L | V6 | N/A | — |
| 2016 | Jeep | Cherokee | 2.4L | L4 | N/A | — |
| 2015 | Dodge | Dart | 2.0L | L4 | N/A | — |
| 2015 | Dodge | Dart | 2.4L | L4 | N/A | — |
| 2015 | Fiat | 500L | — | — | N/A | — |
| 2015 | Jeep | Cherokee | 2.4L | L4 | N/A | — |
| 2015 | Jeep | Cherokee | 3.2L | V6 | N/A | — |
| 2014 | Dodge | Dart | 1.4L | L4 | N/A | — |
| 2014 | Dodge | Dart | 2.0L | L4 | N/A | — |
| 2014 | Dodge | Dart | 2.4L | L4 | N/A | — |
| 2014 | Fiat | 500L | — | — | N/A | — |
| 2014 | Jeep | Cherokee | 2.4L | L4 | N/A | — |
| 2014 | Jeep | Cherokee | 3.2L | V6 | N/A | — |
| 2013 | Dodge | Dart | 1.4L | L4 | N/A | — |
| 2013 | Dodge | Dart | 2.0L | L4 | N/A | — |
| 2013 | Dodge | Dart | 2.4L | L4 | N/A | — |
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