HomeElectrical, Lighting and Body > SwitchesStandard Ignition NS-45 Neutral Safety Switch
Part #: NS-45

Standard Ignition NS-45 Neutral Safety Switch

⚙️ 22 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$144.12Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Geo and Toyota, Prizm, Corolla, MR2, Paseo, Camry, Tercel, and Celica
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Neutral Safety Switch for Geo and Toyota Vehicles

The Standard Ignition NS-45 Neutral Safety Switch is designed to provide precise electrical control for select Geo and Toyota models. Engineered with durable materials and a bolt mount attachment, this switch ensures consistent performance in your vehicle's starting system.

  • Compatible with Geo and Toyota models including Camry, Celica, Corolla, MR2, Paseo, Prizm, and Tercel
  • Features 9 male blade terminals and 1 female rectangular connector for secure electrical connections
  • Constructed from a combination of plastic and metal with an aluminum and plastic finish for durability
  • Measures 4 inches (101.6 mm) in length with a bolt mount attachment method
  • Operates on standard 12-volt electrical systems

Product Details and Specifications

The Standard Ignition NS-45 Neutral Safety Switch is built to meet the electrical and mechanical requirements of various Geo and Toyota vehicles. Its 9 male blade terminals and single female rectangular connector provide reliable connectivity, while the bolt mount attachment ensures a secure fit. The switch’s black and silver finish combines aluminum and plastic materials, offering resistance to wear and environmental factors. With a length of 4 inches, it fits precisely within the designated mounting area of compatible vehicles.

Applications and Common Issues Addressed

  • Prevents engine from starting in gear, enhancing safety
  • Resolves intermittent starting problems related to faulty neutral safety switches
  • Eliminates issues with starter engagement in Geo and Toyota Camry, Corolla, MR2, and other models
  • Addresses electrical connection failures due to worn or damaged terminals
  • Helps restore proper function to the vehicle’s starting circuit

Installation Notes and Tips

Installation of the Standard Ignition NS-45 requires removal of the old neutral safety switch and mounting the new unit using the bolt mount method. Ensure all electrical connections are clean and secure, matching the 9 male blade terminals to the corresponding female connectors. Since mounting hardware is not included, use existing bolts or appropriate replacements. Verify the switch alignment to prevent misoperation and test the vehicle’s starting system after installation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The NS-45 Neutral Safety Switch undergoes rigorous quality control to maintain consistent standards. While mounting hardware and gaskets are not included, the switch’s construction with aluminum and plastic components supports long-term use. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberNS-45
ColorBlack, Silver
Connector GenderFemale
FinishAluminum, Plastic
Terminal GenderMale
Terminal TypeBlade

This part fits 22 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersPositionNotes
1995GeoPrizmAutomaticN/A
1995ToyotaCorollaAutomatic1.6LL4N/A
1995ToyotaMR2Automatic2.2LL4N/A
1994GeoPrizmAutomaticN/A
1994ToyotaCorollaAutomatic1.6LL4N/A
1994ToyotaMR22.0LL4N/A
1994ToyotaMR2Automatic2.2LL4N/A
1994ToyotaPaseoAutomaticN/A
1993GeoPrizmAutomaticN/A
1993ToyotaCamryAutomatic2.2LL4N/A
1993ToyotaCorollaFWDAutomatic1.6LL4N/A
1993ToyotaMR22.2LL4N/AFrom 11/93
1993ToyotaPaseoAutomaticN/A
1993ToyotaTercel1.5LL4N/A
1992ToyotaCamryAutomatic2.2LL4N/A
1992ToyotaPaseoAutomaticN/A
1991ToyotaCamryFWDAutomatic2.0LL4N/A
1990ToyotaCamryFWDAutomatic2.0LL4N/A
1989ToyotaCamryFWDAutomatic2.0LL4N/A
1988ToyotaCamryAutomatic2.0LL4N/A
1988ToyotaCelica2.0LL4N/A
1987ToyotaCamryAutomaticN/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:

18-16701S508853-31542845401604088923310DR4055NS105NS6420S9233

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