BL 1400U Backup Light Neutral Safety Switch Kit for TH-350 TH-400 700-R4

Product Overview

This aftermarket replacement backup light and neutral safety switch kit is intended for TH-350 and TH-400 transmission applications and is supplied for use with 700-R4 reference configurations. The kit cross-references part number BL 1400U. A backup light and neutral safety switch signals the vehicle when the transmission is in reverse for backup lamp operation and when the transmission is in park or neutral for starting safety.

Key Features & Performance

• Combines backup light switching and neutral safety switching functions for the listed transmission applications
• Cross-references part number BL 1400U for comparison with an existing switch
• Supports the normal starting safety circuit by allowing engine cranking only in park or neutral when installed and adjusted correctly
• Supports backup lamp operation when the transmission is shifted into reverse
• Replaces a worn, damaged, or malfunctioning switch on the corresponding transmission

Fitment & Compatibility

• for TH-350 transmission applications
• for TH-400 transmission applications
• for 700-R4 transmission applications

Common Uses

• Replacing a worn, damaged, or malfunctioning backup light or neutral safety switch
• Servicing the starting safety and backup lamp circuits on the listed transmissions
• Restoring normal switch function after the original component has failed

Technical Specifications

• Product Type: Backup light and neutral safety switch kit
• Part Number: BL 1400U
• Model Application(s): TH-350, TH-400, 700-R4

Frequently Asked Questions

Q: What does a backup light and neutral safety switch do? A: It signals the backup lamps when the transmission is in reverse and allows engine cranking only when the transmission is in park or neutral.

Q: How should fitment be verified? A: Compare the complete existing part number BL 1400U and the complete transmission model designation to the information supplied before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.