2026 MarineMax - Catalog - Page 85
Trailer
Harnesses & Adapters
83
MAXISEAL HARNESS ADAPTERS
7-WAY ADAPTER
Quick and easy to connect. Full-length plugs shall ensure positive latching; noncorrosive nylon shell and the insert eliminates make shift jumpers.
13821
13881
13831
Adapter mates 7-way vehicle to 4 or 5-way trailer.
Item#
Connection
Length
8"
50-13831 7 Way Round to 4 Way Flat
18"
50-13811 7 Way Round to 4 Way Flat
50-13881 7 Way Round to 5 Way Flat
8"
50-13821 7 Way Round to 5 Way Flat
18"
Volts
12/24V
12/24V
12/24V
12/24V
Amps
10
10
10
10
Special
20.99 EA
21.99 EA
26.99 EA
27.99 EA
Item#
177-E5415
Connection
7-Way Round Blade to 5-Way Flat Pin
Size
4"
Special
22.99 EA
TRAILER WIRE HARNESS EXTENSION
7-WAY TRAILER WIRING ADAPTERS
Item#
50-13991
50-13931
Length
48"
48"
Volts
12/24V
12/24V
Amps
10
10
Special
17.99 EA
17.99 EA
58061
58051
Durable molded plastic housing resists corrosion.
58051, 58061: Flat blade brass terminals to flat pin-style tin plated terminals.
Item#
50-58051
50-58061
Connector
4 Pole
5 Pole
Description
7-Way RV style to 4-flat
7-Way RV style to 5-flat
Volts
12V
12V
Amps
10
10
Special
15.99 EA
17.99 EA
7-WAY ROUND TO 5 WAY FLAT ADAPTER WITH
LEAD
Adapts the vehicle to the trailer connector
without the need for an extension.
TRAILER "Y" HARNESS
Flat - 4 Pole. Consists of 48" vehicle side connector and 18-ga. color-coded wires.
Marine-grade tinned copper. Trailer side split to allow routing of wire down both
sides of trailer for easy hook-up.
Includes 12 frame straps, 4 quick-splice connectors
Item#
50-13951
Item#
50-52981
Length
16"
Length
50'
Volts
12/24V
Amps
10
Special
54.99 EA
Special
18.99 EA
5-WAY FLAT CONNECTOR
57871
57881
57961
Industry standard connector used for light-duty applications where an auxiliary
circuit is required for surge brake lockout or back-up lamp functionality.
• 16 Ga. Bonded Wire (Green, Yellow,
Brown, White)
• 16 Ga. Single Wire (Blue)
• Tin Plated .187 Terminals for Improved
Current Capacity and Corrosion
Item#
50-57871
50-57961
50-57881
Connector
Car
Car & Trailer
Trailer
Resistance
• Flexible Molded PVC Connectors
• 7.5 Amp Max Load
• Contains: Harness, Detailed Wiring
Instructions
Length
48"
60"
12"
Volts
12/24V
12/24V
12/24V
Amps
10
10
10
KEY: Blue Item # =NEW | Red Item # =HAZARDOUS | YOversize |
Special
13.99 EA
21.99 EA
12.99 EA
To Our Valued Customers: Prices are subject to change without notice
