CATALOG NUMBER 28 SOFT-TRAC I BREAKAWAY SYSTEMS 52010 52020 52023 Description P/N Lockable Breakaway System w/ charger. Includes: 52027 lockable battery case, 52023 12V 5 amp rechargeable battery, 52010 nylon breakaway switch, 52025 charger w/ mounting hardware 52040 Same as above (52040) w/o charger 52041 Breakaway Switch, nylon case w/ weldable hi-temp metal tab, silver contact points & nylon pull ring 52010 48" Replacement Lanyard w/ hi-temp nylon pull ring 52020 Sealed Lead Acid Battery, 12 volt, 5.0 amp/hr. for 1-3 axle trailers 52023 Breakaway Battery Charger 52025 PUSH TO TEST BREAKAWAY KIT Loads from P/N Both Kits Include Top 52044 - Push-to-test battery case - 12V 5 amp rechargeable battery - Built-in battery charger - Breakaway switch - Mounting hardware Side 52042 ▪ Meets DOT requirements for holding / breakaway situations ▪ For trailers with one to three axles ▪ LED lights indicate a good charge, battery is charging or low battery 52044 52042 12-706E ELECTRICAL SOCKETS Description P/N 7 Conductor Blade Type, Car End 12-707E 7 Conductor Blade Type, Trailer End 12-706E 7-Pole RV Style Socket, Bolt-On O.E. Style 11-893 7-Pole RV Style Socket, Twist-In O.E. Style 11-916 Rectangular to Round O.E. Harness Adaptor 11-933 Multi-Tow® OE 7 Blade and 4 Flat w/ Bracket 40975 7 & 4-Way Connector with Mounting Bracket 57021 12-707E 57021 56070 5TH WHEEL/GOOSENECK HITCH ADAPTER HARNESSES 7' Harness 10' Harness 09-19 Silverado/Sierra w/ or w/o Factory 7-Way 56070 56000 09-22 Ram 1500/2500 w/ Round Factory 7-Way (09 1500 only) 56070 56000 52040
MIDWESTWHEEL.COM MEMBER KANSAS CITY 5801 E. Front St. Main ....(816) 471-1552 Parts....(800) 821-7402 JOPLIN 2424 Stephens Blvd. Main ....(417) 717-6022 Parts....(866) 318-9111 SPRINGFIELD 812 Lillian Dr. ∙ Strafford, MO Main ....(417) 429-2476 Parts....(800) 785-3705 SIOUX CITY 1819 4th St. Main ....(712) 252-7969 Parts....(800) 943-3534 CEDAR RAPIDS 200 50th Ave. S.W. Main ....(319) 365-4453 Parts....(800) 332-5435 DES MOINES 1436 E. Ovid Ave. Main ....(515) 265-1491 Parts....(800) 888-0248 CLEAR LAKE 840 Hwy. 18 W. Main ....(641) 357-7101 Parts....(800) 397-5630 DAVENPORT 8502 Northwest Blvd. Main ....(563) 322-2671 Parts....(800) 553-1886 OMAHA 9770 S 142nd Street, Suite 1 Main ....(531) 239-3050 Parts....(800) 322-8757 NEBRASKA IOWA MISSOURI April 20, 2026 (28Curt Electrical) BRAKE CONTROLLERS ▪ Easily calibrated for all towing needs ▪ Compatible with anti-lock brakes and cruise control ▪ Quick plug equipped for fast, easy installation Name Axles Brakes Activation Method Display Mount Angle Level Adjust Warranty P/N Echo® in-line 1 - 4 2 - 8 Tri-Axis Inertia Phone App Any Auto Limited Lifetime 51200 Echo® under-dash 1 - 4 2 - 8 Tri-Axis Inertia Phone App Any Auto Limited Lifetime 51190 Echo® mobile 1 - 2 2 - 4 Tri-Axis Inertia Phone App Any Auto Limited Lifetime 51180 Spectrum 1 - 4 2 - 8 Tri-Axis Inertia Tri-color LED Any Auto Limited Lifetime 51170 TriFlex 1 - 4 2 - 8 Tri-Axis Inertia Digital -20° to +70° Auto Limited Lifetime 51146 Discovery 1 - 4 2 - 8 Time-Based Digital Any Auto Limited Lifetime 51126 Venturer 1 - 3 2 - 6 Time-Based LED Any Auto Limited Lifetime 51116 Venture™ 51116 Discovery™ 51116 Spectrum™ 51170 TriFlex™ 51146 Dual Mated Quick-Connect Harnesses for Curt and Hayes Brake Controllers HARNESSES 19-26 Silverado/Sierra 1500 51525 14-19 Silverado/Sierra (19 Old Body) 51452 07-13 Silverado/Sierra 51516 03-06 Silverado/Sierra 51353 20-26 Silverado/Sierra 2500 51525 15-20 Dodge/Ram 51458 13-14 Dodge/Ram 51453 10-12 Dodge/Ram 1500 51439 95-09 Dodge/Ram/Chrysler 51333 09-25 F-150 51437 17-22 F-250/F-350 Super Duty 51436 08-16 F-250/F-350 Super Duty 51432 05-07 F-250/F-350 Super Duty 51372 16-19 Toyota Tundra 51456 Universal Connector w/ 24" Wire Lead 51516
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