dragspecialties.com SECTION 17 All part numbers in BLUE are new for 2025. WINDSHIELDS & FAIRINGS AUDIO, COMMUNICATION & MOUNTS SADDLEBAGS & LUGGAGE SEATS & SISSY BARS FUEL/AIR SYSTEMS EXHAUST TRANSMISSION & DRIVELINE ENGINE GASKETS & SEALS LIGHTING ELECTRICAL HANDLEBARS, CONTROLS & MIRRORS CABLES TANKS & OIL FILTERS BRAKES DASHES & GAUGES FENDERS & LICENSE PLATE FRAMES HARDWARE, COVERS & GENERAL FRAMES & SUSPENSION FOOTRESTS & FLOORBOARDS WHEELS & AXLES 1719 See OLDBOOK For Early Model Applications PART # DESCRIPTION 2120-0929 Trailer wire harness 4-PIN TRAILER WIRE HARNESS •Universal trailer harness provides plug-and-play wire hook-up to any 4-way flat trailer plug •Extended 50” wire leads provide easy hook-up for run, brake, and turn signal functions •Heavy-duty 14-gauge wire for long-lasting durability •Sold each PART # DESCRIPTION 3902-0164 For 14-20 FLHT/FLHR/FLHX/H-D FL Trike models (except FLHTKSE) 4- TO 5-WIRE SIGNAL DECODER •A must-have for trailers with a 5-wire system; separates the 4-wire CANbus signal to work with 5-wire trailer systems •For use only with Rivco Universal Trailer Wiring Isolator PART #3902-0221 (sold separately; see above) NOTE: 14-20 models come equipped with a new CAN bus style wiring and require the use of isolator PART #3902-0221. This will draw all power for trailer lights directly from battery and not adversely affect CANbus system. PART # DESCRIPTION 3902-0221 Universal trailer wiring isolator UNIVERSAL TRAILER WIRING ISOLATOR •Delivers full power to trailer lighting without causing damage or malfunction •Supplies full battery power to trailer lighting directly through its own heavy-gauge wiring, relays and fuse •Compact 3” x 1 1/2” x 1” housing PART # DESCRIPTION 2050-0504 For 14-24 FLHTCUTG/FLTRT/FLRT 2010-1358 For 14-22 FLHT TRAILER ISOLATOR •Protects factory turn signal module from being overloaded when adding a trailer •Connects to trailer’s five wire harness •Plugs in between the rear fender harness and receives the signals from the lighting circuits •Draws power from the motorcycle battery •Made in the U.S.A. 2010-1358 2050-0504 PART # DESCRIPTION 3902-0191 For 14-22 FLHT/FLHTC/FLHTCU/FLHX/FLTR/FLTRU/FLTRX/ H-D FL Trikes (except Ultra Ltd. CVO, 15-22 FLRT and 13 FLTRXS/FLTRU), 14-17 FLST (6-pin Molex) 3902-0135 For 10-17 FLHXSE/FLTRSE/FLTRUSE/FLTRXSE (8-pin Molex) 3902-0147 For 99-13 FLHT/FLHTC/FLHTCU/FLHTK/FLHTCSE/FLHTCUSE and 09-13 H-D Trikes, 06-09 FLHX, 99-13 FLHR, 99-09 FLTR, 00-10 FXST/FLST (except SE models) (8-pin AMP multi-lock) TRAILER WIRING SUB-HARNESS •Trailer wiring sub-harness plugs into the bike’s stock wiring harness on one end and Rivco’s own 5- to 4-wire converter or isolator on the other •Eliminates the need to cut and splice the stock wiring harness •Requires two additional parts for a complete trailer wiring harness assembly: a 5- to 4-wire converter and Rivco’s Universal Trailer Wiring Isolator (PART #3902-0221) (both sold separately) •Sold each 3902-0135 3902-0147 3902-0191 PART # DESCRIPTION 3902-0163 For 14-24 FLHTCUTG PART # DESCRIPTION 3902-0129 For 09-13 FLHTCUTG TRAILER HITCH WIRE HARNESSES •Essential for connecting wiring to a trailer of any kind •Wiring is plug-and-play; no splicing required •Maintains the integrity of original bike/trike harness •Six-pin connector allows for auxiliary power to be run to trailer •Made in the U.S.A. 3902-0129
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