The Wirenest® replacement for Noregon 121721 connects your JPRO® DLA+ 2.0 or DLA+ 3.0 diagnostic adapter to heavy-duty vehicles equipped with a 6-pin SAE J1708/J1587 Deutsch diagnostic port. This connector style is commonly found on most heavy-duty vehicles built in 2005 and earlier, making this cable ideal for servicing older platforms and legacy fleet equipment.
DIRECT REPLACEMENT: Compatible aftermarket replacement for Noregon part number 121721 and fully compatible with DLA+ 2.0 and DLA+ 3.0 diagnostic interfaces.
6-PIN J1708/J1587 CONNECTOR: Uses the standard 6-pin heavy-duty Deutsch connector found on older Class 7–8 trucks, buses, and equipment.
LEGACY DATA LINK SUPPORT: Supports SAE J1708 and J1587 protocols used on most trucks and equipment built before 2006.
COMPACT INLINE DESIGN: Approximately 1 ft overall length keeps your diagnostic setup clean and easy to manage in the cab.
BUILT FOR SHOP USE: Overmolded connectors, reinforced strain relief, and rugged jacket construction withstand daily professional use.
Wirenest® Quality You Can Trust
Wirenest® has delivered dependable diagnostic and specialty cable solutions since 2007. Every cable includes a 1-year limited warranty and lifetime technical support.
Note: This is an aftermarket replacement product. Noregon® and JPRO® are trademarks of their respective owners and are not affiliated with Wirenest®.
Wirenest® 6-Pin Heavy Duty Diagnostic Cable – Aftermarket Replacement for Noregon 121721 – Compatible with JPRO® DLA+ 2.0 & DLA+ 3.0 – J1708/J1587 for 2005 & Older Trucks
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Frequently Asked Questions
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Absolutely. With sturdy, molded connectors outlasting assembled alternatives and snag free end protection, we are committed to doing it right.