Ultracool Accessory 4-Pin Connector - ST / Dyna `2011-2017 XL `2014-2021 — Harley-Davidson Forty-Eight, Iron 883, Softail Heritage Classic (2011-2021)

Ultracool 4-pin Deutsch connector harness for Sportster, Dyna, and Softail models, providing battery power, ignition/accessory power, and ground connections from the 6-pin Digital Technician connector to aftermarket accessories. Fused at 15 amps through the vehicle harness.

Features

• Connects to 6-pin Digital Technician connector [91A]
• Provides battery, ignition/accessory, and ground power
• 4-pin Deutsch connector for accessory hookup
• 15-amp fused at vehicle harness
• 8 inches long

Specifications

• Brand: Ultracool
• Manufacturer Part #: SMB-Y129
• Length: 8 in
• Width: 6 in
• Height: 0.5 in
• Weight: 0.5 lbs

Fitment

Fits 2014+ Harley-Davidson Sportster, 2012-2017 Dyna, and 2011-2017 Softail models.

Frequently Asked Questions

What bikes does this connector fit?

2014+ Sportster, 2012-2017 Dyna, and 2011-2017 Softail models with the 6-pin Digital Technician connector.

Will this fit my Touring model?

No — this harness is for Sportster, Dyna, and Softail. Touring models 2014-2016 use part 56-7261; 2017+ use 56-7263.

What power does this provide?

Battery power, ignition/accessory power (active in ON or ACC position), and ground. Fused at 15 amps.

How long is the harness?

8 inches from the Digital Technician connector to the 4-pin Deutsch outlet.

Can I run two accessories at once?

Yes — the connector allows two switched 12 VDC accessories to operate simultaneously when ignition is in ON or ACC position.