Standard Ignition NS-18 Back Up Light Switch

Name: Standard Ignition NS-18 Back Up Light Switch
Brand: Standard Ignition
SKU: FBHK-NS-18
Price: 22.80 USD
Availability: OutOfStock

266 vehicles fit this part

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Out of Stock

OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Fiat, Century, Regal, Skyhawk, C10, C10 Suburban, C20, C20 Suburban, C30, Chevette, El Camino, G10, G20, G30, K10, K10 Suburban, K20, K20 Suburban, K30, K5 Blazer, Malibu, Monza, P10, P30, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Caballero, G1500, G2500, Jimmy, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, P1500, P2500, P3500, Cutlass, Cutlass Salon, Starfire, Grand Am, Grand LeMans, LeMans, Sunbird, Corvette, Monte Carlo, P20, G3500, Cutlass Supreme, Omega, Grand Prix, C15, C15 Suburban, C25, C25 Suburban, C35, K15, K15 Suburban, K25, K25 Suburban, K35, Vega, G15, G25, G35, P15, P25, P35, Astre, Firebird, Blazer, C10 Pickup, C20 Pickup, C30 Pickup, G10 Van, G20 Van, G30 Van, K10 Pickup, K20 Pickup, K30 Pickup, P10 Van, P20 Van, P30 Van, C15/C1500 Pickup, C15/C1500 Suburban, C25/C2500 Pickup, C25/C2500 Suburban, C35/C3500 Pickup, K15/K1500 Pickup, K15/K1500 Suburban, K25/K2500 Pickup, K25/K2500 Suburban, K35/K3500 Pickup, P15/P1500 Van, P25/P2500 Van, P35/P3500 Van, 124, G15/G1500 Van, G25/G2500 Van, G35/G3500 Van, P10 Series, P20 Series, and P30 Series

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Reliable Back Up Light Switch for GM Trucks and Cars

The Standard Ignition NS-18 Back Up Light Switch is designed to provide consistent and dependable operation for your vehicle's reverse lighting system. Engineered for select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, this switch ensures proper signaling when shifting into reverse.

Color: Black housing for durability and corrosion resistance
Connector Gender: Male, with a single connector for secure attachment
Terminal Type: Two male blade terminals for reliable electrical connection
Finish: Combination of aluminum and plastic materials for strength and longevity
Compatible with multiple GM trucks and cars including Chevrolet C10, GMC K1500, Pontiac Firebird, and more

Durable Construction and Precise Fitment

The NS-18 Back Up Light Switch features a robust aluminum and plastic finish that withstands harsh automotive environments. Its black color housing resists corrosion, while the male blade terminals and connector ensure a secure and stable electrical connection. This switch is specifically designed to fit a wide range of GM vehicles such as the Chevrolet C1500 Suburban, Buick Century, Pontiac Grand Prix, and GMC K20 Suburban, providing a direct replacement for factory parts.

Purpose and Common Applications

Activates backup lights when the transmission is shifted into reverse
Replaces faulty or worn out backup light switches causing reverse light failure
Solves intermittent or non-functioning reverse light issues
Restores proper signaling for safety during reversing maneuvers
Ensures compliance with vehicle lighting regulations

Installation Notes and Tips

Installation of the Standard Ignition NS-18 is straightforward with basic hand tools. Ensure the vehicle is off and the transmission is in park before beginning. Disconnect the battery to prevent electrical shorts. Remove the old switch by disconnecting the male blade terminals and connector, then install the new switch by securing the male connector and terminals firmly. Verify the backup lights function correctly before completing the installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The NS-18 Back Up Light Switch undergoes rigorous quality control to ensure reliable performance. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in material and workmanship for a specified period.

Brand	Standard Ignition
Part Number	NS-18
Color	Black
Connector Gender	Male
Finish	Aluminum, Plastic
Terminal Gender	Male
Terminal Type	Blade

This part fits 266 vehicles. Search below:

Year	Make	Model	Transmission	Liters	Cylinders	Position
1981	Buick	Century	Manual			N/A
1981	Buick	Regal	Manual			N/A
1980	Buick	Century	Manual			N/A
1980	Buick	Skyhawk	Manual			N/A
1980	Chevrolet	C10				N/A
1980	Chevrolet	C10 Suburban	Manual			N/A
1980	Chevrolet	C20				N/A
1980	Chevrolet	C20 Suburban	Manual			N/A
1980	Chevrolet	C30				N/A
1980	Chevrolet	Chevette	Manual			N/A
1980	Chevrolet	El Camino	Manual			N/A
1980	Chevrolet	G10	Manual			N/A
1980	Chevrolet	G20	Manual			N/A
1980	Chevrolet	G30	Manual			N/A
1980	Chevrolet	K10				N/A
1980	Chevrolet	K10 Suburban	Manual			N/A
1980	Chevrolet	K20				N/A
1980	Chevrolet	K20 Suburban	Manual			N/A
1980	Chevrolet	K30				N/A
1980	Chevrolet	K5 Blazer	Manual			N/A
1980	Chevrolet	Malibu	Manual			N/A
1980	Chevrolet	Monza	Manual			N/A
1980	Chevrolet	P10	Manual			N/A
1980	Chevrolet	P30	Manual			N/A
1980	GMC	C1500				N/A
1980	GMC	C1500 Suburban	Manual			N/A
1980	GMC	C2500				N/A
1980	GMC	C2500 Suburban	Manual			N/A
1980	GMC	C3500				N/A
1980	GMC	G1500	Manual			N/A
1980	GMC	G2500	Manual			N/A
1980	GMC	Jimmy	Manual			N/A
1980	GMC	K1500				N/A
1980	GMC	K1500 Suburban	Manual			N/A
1980	GMC	K2500				N/A
1980	GMC	K2500 Suburban	Manual			N/A
1980	GMC	K3500				N/A
1980	GMC	P1500	Manual			N/A
1980	GMC	P2500	Manual			N/A
1980	GMC	P3500	Manual			N/A
1980	Oldsmobile	Cutlass	Manual			N/A
1980	Oldsmobile	Cutlass Salon	Manual			N/A
1980	Oldsmobile	Starfire	Manual			N/A
1980	Pontiac	Grand Am		4.9L	V8	N/A
1980	Pontiac	Grand Am		5.0L	V8	N/A
1980	Pontiac	Grand LeMans	Manual			N/A
1980	Pontiac	LeMans	Manual			N/A
1980	Pontiac	Sunbird	Manual			N/A
1979	Buick	Century	Manual			N/A
1979	Buick	Regal				N/A
1979	Buick	Skyhawk				N/A
1979	Chevrolet	C10				N/A
1979	Chevrolet	C10 Suburban	Manual			N/A
1979	Chevrolet	C20				N/A
1979	Chevrolet	C20 Suburban	Manual			N/A
1979	Chevrolet	C30				N/A
1979	Chevrolet	Chevette				N/A
1979	Chevrolet	Corvette				N/A
1979	Chevrolet	El Camino	Manual			N/A
1979	Chevrolet	G10	Manual			N/A
1979	Chevrolet	G20	Manual			N/A
1979	Chevrolet	G30	Manual			N/A
1979	Chevrolet	K10				N/A
1979	Chevrolet	K10 Suburban	Manual			N/A
1979	Chevrolet	K20				N/A
1979	Chevrolet	K20 Suburban	Manual			N/A
1979	Chevrolet	K30				N/A
1979	Chevrolet	K5 Blazer	Manual			N/A
1979	Chevrolet	Malibu	Manual			N/A
1979	Chevrolet	Monte Carlo	Manual			N/A
1979	Chevrolet	Monza				N/A
1979	Chevrolet	P10	Manual			N/A
1979	Chevrolet	P20	Manual			N/A
1979	Chevrolet	P30	Manual			N/A
1979	GMC	C1500				N/A
1979	GMC	C1500 Suburban	Manual			N/A
1979	GMC	C2500				N/A
1979	GMC	C2500 Suburban	Manual			N/A
1979	GMC	C3500				N/A
1979	GMC	G1500	Manual			N/A
1979	GMC	G2500	Manual			N/A
1979	GMC	G3500	Manual			N/A
1979	GMC	Jimmy	Manual			N/A
1979	GMC	K1500				N/A
1979	GMC	K1500 Suburban	Manual			N/A
1979	GMC	K2500				N/A
1979	GMC	K2500 Suburban	Manual			N/A
1979	GMC	K3500				N/A
1979	GMC	P1500	Manual			N/A
1979	GMC	P2500	Manual			N/A
1979	GMC	P3500	Manual			N/A
1979	Oldsmobile	Cutlass	Manual			N/A
1979	Oldsmobile	Cutlass Salon	Manual			N/A
1979	Oldsmobile	Cutlass Supreme	Manual			N/A
1979	Oldsmobile	Omega	Manual			N/A
1979	Oldsmobile	Starfire				N/A
1979	Pontiac	Grand Am				N/A
1979	Pontiac	Grand LeMans				N/A
1979	Pontiac	Grand Prix				N/A
1979	Pontiac	LeMans				N/A
1979	Pontiac	Sunbird				N/A
1978	Buick	Century	Manual			N/A
1978	Buick	Regal				N/A
1978	Buick	Skyhawk				N/A
1978	Chevrolet	C10				N/A
1978	Chevrolet	C10 Suburban	Manual			N/A
1978	Chevrolet	C20				N/A
1978	Chevrolet	C20 Suburban	Manual			N/A
1978	Chevrolet	C30				N/A
1978	Chevrolet	Chevette				N/A
1978	Chevrolet	Corvette				N/A
1978	Chevrolet	El Camino	Manual			N/A
1978	Chevrolet	G10	Manual			N/A
1978	Chevrolet	G20	Manual			N/A
1978	Chevrolet	G30	Manual			N/A
1978	Chevrolet	K10				N/A
1978	Chevrolet	K10 Suburban	Manual			N/A
1978	Chevrolet	K20				N/A
1978	Chevrolet	K20 Suburban	Manual			N/A
1978	Chevrolet	K30				N/A
1978	Chevrolet	K5 Blazer	Manual			N/A
1978	Chevrolet	Malibu	Manual			N/A
1978	Chevrolet	Monte Carlo	Manual			N/A
1978	Chevrolet	Monza				N/A
1978	GMC	Jimmy	Manual			N/A
1978	Oldsmobile	Cutlass	Manual			N/A
1978	Oldsmobile	Cutlass Salon	Manual			N/A
1978	Oldsmobile	Cutlass Supreme	Manual			N/A
1978	Oldsmobile	Omega	Manual			N/A
1978	Oldsmobile	Starfire				N/A
1978	Pontiac	Grand Am				N/A
1978	Pontiac	Grand LeMans				N/A
1978	Pontiac	Grand Prix				N/A
1978	Pontiac	LeMans				N/A
1978	Pontiac	Sunbird				N/A
1977	Buick	Skyhawk				N/A
1977	Chevrolet	C10				N/A
1977	Chevrolet	C10 Suburban	Manual			N/A
1977	Chevrolet	C20				N/A
1977	Chevrolet	C20 Suburban	Manual			N/A
1977	Chevrolet	C30				N/A
1977	Chevrolet	Chevette				N/A
1977	Chevrolet	Corvette				N/A
1977	Chevrolet	G10	Manual			N/A
1977	Chevrolet	G20	Manual			N/A
1977	Chevrolet	G30	Manual			N/A
1977	Chevrolet	K10				N/A
1977	Chevrolet	K10 Suburban	Manual			N/A
1977	Chevrolet	K20				N/A
1977	Chevrolet	K20 Suburban	Manual			N/A
1977	Chevrolet	K30				N/A
1977	Chevrolet	K5 Blazer	Manual			N/A
1977	Chevrolet	Monza				N/A
1977	Chevrolet	P10	Manual			N/A
1977	Chevrolet	P20	Manual			N/A
1977	Chevrolet	P30	Manual			N/A
1977	GMC	G15	Manual			N/A
1977	GMC	G25	Manual			N/A
1977	GMC	G35	Manual			N/A
1977	GMC	Jimmy	Manual			N/A
1977	Oldsmobile	Cutlass	Manual			N/A
1977	Oldsmobile	Omega	Manual			N/A
1977	Oldsmobile	Starfire				N/A
1977	Pontiac	Firebird	Manual			N/A
1977	Pontiac	LeMans	Manual			N/A
1977	Pontiac	Sunbird				N/A
1976	Buick	Skyhawk				N/A
1976	Chevrolet	C10				N/A
1976	Chevrolet	C10 Suburban	Manual			N/A
1976	Chevrolet	C20				N/A
1976	Chevrolet	C20 Suburban	Manual			N/A
1976	Chevrolet	C30				N/A
1976	Chevrolet	Chevette				N/A
1976	Chevrolet	G10				N/A
1976	Chevrolet	G20				N/A
1976	Chevrolet	G30				N/A
1976	Chevrolet	K10				N/A
1976	Chevrolet	K10 Suburban	Manual			N/A
1976	Chevrolet	K20				N/A
1976	Chevrolet	K20 Suburban	Manual			N/A
1976	Chevrolet	K5 Blazer	Manual			N/A
1976	Chevrolet	Monza				N/A
1976	Chevrolet	P10				N/A
1976	Chevrolet	P20				N/A
1976	Chevrolet	P30				N/A
1976	GMC	G15				N/A
1976	GMC	G25				N/A
1976	GMC	G35				N/A
1976	GMC	Jimmy	Manual			N/A
1976	Oldsmobile	Omega	Manual			N/A
1976	Oldsmobile	Starfire				N/A
1976	Pontiac	Firebird	Manual			N/A
1976	Pontiac	LeMans	Manual			N/A
1976	Pontiac	Sunbird				N/A
1975	Chevrolet	C10				N/A
1975	Chevrolet	C10 Suburban				N/A
1975	Chevrolet	C20				N/A
1975	Chevrolet	C20 Suburban				N/A
1975	Chevrolet	C30				N/A
1975	Chevrolet	G10				N/A
1975	Chevrolet	G20				N/A
1975	Chevrolet	G30				N/A
1975	Chevrolet	K10				N/A
1975	Chevrolet	K10 Suburban				N/A
1975	Chevrolet	K20				N/A
1975	Chevrolet	K20 Suburban				N/A
1975	Chevrolet	K5 Blazer				N/A
1975	Chevrolet	Monza				N/A
1975	Chevrolet	P10				N/A
1975	Chevrolet	P20				N/A
1975	Chevrolet	P30				N/A
1975	GMC	G15				N/A
1975	GMC	G25				N/A
1975	GMC	G35				N/A
1975	GMC	Jimmy	Manual			N/A
1975	Oldsmobile	Starfire				N/A
1974	Chevrolet	Blazer				N/A
1974	Chevrolet	C10 Suburban				N/A
1974	Chevrolet	C20 Suburban				N/A
1974	Chevrolet	K10 Suburban				N/A
1974	Chevrolet	K20 Suburban				N/A
1974	GMC	Jimmy				N/A
1973	Chevrolet	Blazer				N/A
1973	Chevrolet	C10 Suburban				N/A
1973	Chevrolet	C20 Suburban				N/A
1973	Chevrolet	K10 Suburban				N/A
1973	Chevrolet	K20 Suburban				N/A
1973	GMC	Jimmy				N/A
1972	GMC	G15/G1500 Van				N/A
1972	GMC	G25/G2500 Van				N/A
1972	GMC	G35/G3500 Van				N/A
1972	GMC	Jimmy				N/A
1971	GMC	G15/G1500 Van				N/A
1971	GMC	G25/G2500 Van				N/A
1971	GMC	G35/G3500 Van				N/A
1971	GMC	Jimmy				N/A
1970	Chevrolet	Blazer				N/A
1970	Chevrolet	C10 Suburban				N/A
1970	Chevrolet	C20 Suburban				N/A
1970	Chevrolet	El Camino				N/A
1970	Chevrolet	K10 Suburban				N/A
1970	Chevrolet	K20 Suburban				N/A
1970	GMC	G15/G1500 Van				N/A
1970	GMC	G25/G2500 Van				N/A
1970	GMC	G35/G3500 Van				N/A
1970	GMC	Jimmy				N/A
1969	Chevrolet	Blazer				N/A
1969	Chevrolet	C10 Suburban				N/A
1969	Chevrolet	C20 Suburban				N/A
1969	Chevrolet	El Camino				N/A
1969	Chevrolet	K10 Suburban				N/A
1969	Chevrolet	K20 Suburban				N/A
1969	GMC	G15/G1500 Van				N/A
1969	GMC	G25/G2500 Van				N/A
1968	Chevrolet	C10 Suburban				N/A
1968	Chevrolet	C20 Suburban				N/A
1968	Chevrolet	El Camino				N/A
1968	Chevrolet	K10 Suburban				N/A
1968	Chevrolet	K20 Suburban				N/A
1968	GMC	G15/G1500 Van				N/A
1968	GMC	G25/G2500 Van				N/A
1967	Chevrolet	C10 Suburban				N/A
1967	Chevrolet	C20 Suburban				N/A
1967	Chevrolet	El Camino				N/A
1967	Chevrolet	K10 Suburban				N/A
1967	Chevrolet	K20 Suburban				N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

191067281S503853-11616890129242-04DR400NS18TNS21NS6578NS6578SBS393

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.