Standard Ignition BSD129 Blind Spot Detection System Warning Sensor

Brand Standard Ignition BSD129
Connector Gender Female
Connector Quantity 1
Connector Type Plug in
Terminal Gender Male
Terminal Quantity 8
Terminal Type Pin
Fits Ford · 7 vehicles

Plug-in connector. Female connector with a single 8-pin terminal layout.

Blind spot warning sensor. For detection systems that alert drivers to nearby vehicles.

Cross-references 861-117, BDSA4 and BSN129 for the same application. See all 5.

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Blind Spot Sensor for Ford Transit Connect and Super Duty

Standard Ignition BSD129 is a blind spot detection system warning sensor built for direct replacement in select Ford applications. It uses a female plug-in connector with an 8-pin male terminal interface for a secure electrical connection in the blind spot monitoring circuit.

Key Features

  • Blind spot detection system warning sensor for body electronics repair
  • Female connector gender with plug-in connector type
  • 8 male pin terminals for the vehicle harness connection
  • Direct-fit replacement for select Ford Transit Connect and Super Duty models
  • Standard Ignition BSD129 cross-references OE-style applications

Detailed Description

Standard Ignition BSD129 is used in blind spot monitoring systems to support warning sensor operation at the vehicle body level. It is listed for 2019-2021 Ford Transit Connect, 2018 Ford F-250 Super Duty, 2018 Ford F-350 Super Duty, and 2017 Ford F-250 Super Duty and F-350 Super Duty built from 02/19/2017. This part cross-references Ford OE number JC3Z14C689A for the same application. If you are replacing a blind spot detection system warning sensor on a Ford Transit Connect or Ford Super Duty truck, BSD129 provides the specified connector and terminal layout for the repair.

What It Helps Fix

  • Blind spot warning light or message faults
  • Intermittent blind spot monitoring operation
  • Sensor-related diagnostic trouble codes in the body system
  • Loss of blind spot alert coverage on the vehicle side
  • Electrical connection issues at the sensor interface

Installation Notes and Tips

Verify the vehicle build date before ordering, especially for 2017 Ford F-250 Super Duty and F-350 Super Duty models that apply from 02/19/2017. Confirm connector style, terminal count, and mounting location against the original sensor before installation. After replacement, clear stored fault codes and perform any required system calibration or relearn procedure according to the service information for the vehicle.

Quality Assurance

Standard Ignition supplies replacement electrical and electronic components for service applications, and BSD129 is built to match the listed connector and terminal configuration for the specified Ford fitments.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2021FordTransit ConnectN/A
2020FordTransit ConnectN/A
2019FordTransit ConnectN/A
2018FordF-250 Super DutyN/A
2018FordF-350 Super DutyN/A
2017FordF-250 Super DutyN/AFrom 02/19/2017
2017FordF-350 Super DutyN/AFrom 02/19/2017
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
861-117BDSA4BSN129BSW133JC3Z14C689A