/live/media/SI/SI_NS73_Fro.jpg)
Standard Ignition NS-73 Clutch Starter Safety Switch
| Brand | Standard Ignition NS-73 |
|---|---|
| Color | Black |
| Connector Gender | Female |
| Finish | Plastic |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Fits | Oldsmobile, Pontiac, Chevrolet, Buick, and Cadillac · 91 vehicles |
Copper alloy conductors. Deliver superior conductivity with low resistive losses.
100% tested. Verifies mechanical and electrical switching performance.
Blade terminal design. Features a female connector with two male terminals.
Cross-references 1S5050, 53-31524 and 14086976 for the same application. See all 8.
Clutch Starter Safety Switch for GM Compact Cars
Standard Ignition NS-73 is a clutch starter safety switch built for manual-transmission starting circuits. It uses a black plastic body, a female connector, and two male blade terminals to support reliable electrical switching in the clutch interlock system.
- Black plastic finish for a clean OE-style appearance
- Female connector with 1 connector interface
- 2 male blade terminals for straightforward electrical connection
- Copper alloy conductors for strong conductivity and reduced resistance
- 100% tested for mechanical and electrical switching performance
Fitment and Application Details
Compatible with a wide range of GM vehicles, including Fits 2000-2004 Oldsmobile Alero, N/A; Fits 2000-2004 Pontiac Grand Am, N/A; Fits 1987-1998 Pontiac Grand Am, N/A; Fits 1992-1997 Oldsmobile Achieva, N/A; Fits 1987-1996 Chevrolet Corsica, N/A; Fits 1986-1994 Chevrolet Cavalier, N/A; Fits 1986-1994 Pontiac Sunbird, N/A; Fits 1987-1990 Pontiac Tempest, N/A; Fits 1986-1989 Buick Skyhawk, N/A; Fits 1986-1989 Buick Skylark, N/A; Fits 1986-1988 Cadillac Cimarron, N/A; Fits 1982 Cadillac Cimarron, N/A; Fits 1986-1988 Oldsmobile Firenza, N/A; Fits 1987-1988 Pontiac 6000, N/A; and Fits 1987 Oldsmobile Calais, N/A. This part number, NS-73, is also a direct reference point for service lookups on these applications.
This part cross-references 1S5050 and NS252 for the same application.
What This Switch Helps Address
- No-crank condition when the clutch pedal is pressed
- Intermittent starter engagement caused by worn switch contacts
- Starting circuit interruption from a failed clutch interlock switch
- Electrical resistance issues in the clutch start signal path
- Replacement needs on older Chevrolet, Pontiac, Buick, Cadillac, and Oldsmobile manual-transmission vehicles
Installation Notes and Quality Assurance
Verify connector style, terminal layout, and vehicle application before installation. Match the female connector and two blade terminals to the original switch configuration, and confirm proper clutch pedal actuation after installation. Standard Ignition builds this NS-73 switch with robust materials, copper alloy conductors, and full mechanical and electrical testing to support consistent switching performance.
Standard Ignition NS-73 is a practical replacement for clutch starter safety switch service on Chevrolet Cavalier, Pontiac Grand Am, and related GM models.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Oldsmobile | Alero | — | — | — | N/A | — |
| 2004 | Pontiac | Grand Am | — | — | — | N/A | — |
| 2003 | Oldsmobile | Alero | — | — | — | N/A | — |
| 2003 | Pontiac | Grand Am | — | — | — | N/A | — |
| 2002 | Oldsmobile | Alero | — | — | — | N/A | — |
| 2002 | Pontiac | Grand Am | — | — | — | N/A | — |
| 2001 | Oldsmobile | Alero | — | — | — | N/A | — |
| 2001 | Pontiac | Grand Am | — | — | — | N/A | — |
| 2000 | Oldsmobile | Alero | — | — | — | N/A | — |
| 2000 | Pontiac | Grand Am | — | 2.4L | L4 | N/A | — |
| 2000 | Pontiac | Grand Am | — | 3.4L | V6 | N/A | — |
| 1998 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1997 | Oldsmobile | Achieva | — | — | — | N/A | — |
| 1997 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1996 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1996 | Oldsmobile | Achieva | — | — | — | N/A | — |
| 1996 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1995 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1995 | Oldsmobile | Achieva | — | — | — | N/A | — |
| 1995 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1994 | Chevrolet | Cavalier | — | — | — | N/A | — |
| 1994 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1994 | Oldsmobile | Achieva | — | — | — | N/A | — |
| 1994 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1994 | Pontiac | Sunbird | — | — | — | N/A | — |
| 1993 | Chevrolet | Cavalier | — | — | — | N/A | — |
| 1993 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1993 | Oldsmobile | Achieva | — | — | — | N/A | — |
| 1993 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1993 | Pontiac | Sunbird | — | — | — | N/A | — |
| 1992 | Chevrolet | Cavalier | — | — | — | N/A | — |
| 1992 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1992 | Oldsmobile | Achieva | — | — | — | N/A | — |
| 1992 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1992 | Pontiac | Sunbird | — | — | — | N/A | — |
| 1991 | Chevrolet | Cavalier | — | — | — | N/A | — |
| 1991 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1991 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1991 | Pontiac | Sunbird | — | — | — | N/A | — |
| 1990 | Chevrolet | Cavalier | Manual | — | — | N/A | — |
| 1990 | Chevrolet | Cavalier | — | — | — | N/A | — |
| 1990 | Chevrolet | Corsica | Manual | — | — | N/A | — |
| 1990 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1990 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1990 | Pontiac | Sunbird | — | — | — | N/A | — |
| 1990 | Pontiac | Tempest | Manual | — | — | N/A | — |
| 1989 | Buick | Skyhawk | — | — | — | N/A | — |
| 1989 | Buick | Skylark | — | — | — | N/A | — |
| 1989 | Chevrolet | Cavalier | Manual | — | — | N/A | — |
| 1989 | Chevrolet | Cavalier | — | — | — | N/A | — |
| 1989 | Chevrolet | Corsica | Manual | — | — | N/A | — |
| 1989 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1989 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1989 | Pontiac | Sunbird | — | — | — | N/A | — |
| 1989 | Pontiac | Tempest | Manual | — | — | N/A | — |
| 1988 | Buick | Skyhawk | — | — | — | N/A | — |
| 1988 | Buick | Skylark | — | — | — | N/A | — |
| 1988 | Cadillac | Cimarron | — | — | — | N/A | — |
| 1988 | Chevrolet | Cavalier | Manual | — | — | N/A | — |
| 1988 | Chevrolet | Cavalier | — | — | — | N/A | — |
| 1988 | Chevrolet | Corsica | Manual | — | — | N/A | — |
| 1988 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1988 | Oldsmobile | Firenza | — | — | — | N/A | — |
| 1988 | Pontiac | 6000 | — | — | — | N/A | — |
| 1988 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1988 | Pontiac | Sunbird | — | — | — | N/A | — |
| 1988 | Pontiac | Tempest | Manual | — | — | N/A | — |
| 1987 | Buick | Skyhawk | Manual | — | — | N/A | — |
| 1987 | Buick | Skyhawk | — | — | — | N/A | — |
| 1987 | Buick | Skylark | Manual | — | — | N/A | — |
| 1987 | Buick | Skylark | — | — | — | N/A | — |
| 1987 | Cadillac | Cimarron | — | — | — | N/A | — |
| 1987 | Chevrolet | Cavalier | Manual | — | — | N/A | — |
| 1987 | Chevrolet | Cavalier | — | — | — | N/A | — |
| 1987 | Chevrolet | Corsica | Manual | — | — | N/A | — |
| 1987 | Chevrolet | Corsica | — | — | — | N/A | — |
| 1987 | Oldsmobile | Calais | — | — | — | N/A | — |
| 1987 | Oldsmobile | Firenza | — | — | — | N/A | — |
| 1987 | Pontiac | 6000 | — | — | — | N/A | — |
| 1987 | Pontiac | Grand Am | — | — | — | N/A | — |
| 1987 | Pontiac | Sunbird | — | — | — | N/A | — |
| 1987 | Pontiac | Tempest | Manual | — | — | N/A | — |
| 1986 | Buick | Skyhawk | Manual | — | — | N/A | — |
| 1986 | Buick | Skyhawk | — | — | — | N/A | — |
| 1986 | Buick | Skylark | — | — | — | N/A | — |
| 1986 | Cadillac | Cimarron | — | — | — | N/A | — |
| 1986 | Chevrolet | Cavalier | Manual | — | — | N/A | — |
| 1986 | Chevrolet | Cavalier | — | — | — | N/A | — |
| 1986 | Oldsmobile | Firenza | — | — | — | N/A | — |
| 1986 | Pontiac | Sunbird | — | — | — | N/A | — |
| 1982 | Cadillac | Cimarron | — | — | — | N/A | — |
| No rows match your filter. | |||||||