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Wirthco
Wirthco Top Mount Battery Disconnect #20138
$47.49
$56.99
Wirthco 20138 Battery Cable Ends
For installation on negative or positive battery posts. Features easy, low-cost installation. Designed to carry 250 Amps continuous and 750 Amps surge. The capacity of this disconnect is equivalent to a #1 AWG Battery cable in conducting capacity. Suitable for all vehicles and medium-duty trucks and farm machinery. For all voltage systems. Features a 5/8" diameter post for receiving standard battery cable clamps. Dimensions: 3" W x 4" L x 2" H.
Our patented Battery Doctor® switches are easy to install and simple to use.
Disconnect batteries quickly and easily
Stop unwanted battery drain
Help prevent theft, tampering, and unauthorized use.
Improve the safety of stored vehicles, RVs, and seasonal equipment
Rated 250 amps continuous and 750 amps surge at 12 volts
Mounts on the negative battery terminal
Provides 3/8-18 bolt for receiving standard eyelet cable connector
Normalized SKU: 20138UPC Code: 010054201384
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Wirthco
Wirthco Trailer Adapter 7-Way to 4-Way #80915
$12.93
$15.43
Wirthco 80915 Trailer Wiring & LightingWirthco Trailer Adapter 7-Way to 4-Way #80915Normalized SKU: 80915UPC Code: 010054809153
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Wirthco
Wirthco Trailer Harness 3-Way 12" #80900
$8.00
$9.55
Wirthco 80900 Trailer Wiring & LightingWirthCo Complete Trailer Connectors feature both male and female ends for an easy trailer connection. The wires are color-coded for easy identification. The connector length is 12". Includes 3-way flat connectors at both ends.
Allows easy trailer connection
Color-coded wires for easy identification
12" total length
Male and female ends
3-way flat connector
Normalized SKU: 80900UPC Code: 010054809009
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Wirthco
Wirthco Trailer Harness 4-Way 12" #80901
$9.95
$11.88
Wirthco 80901 Trailer Wiring & LightingWirthco Trailer Harness 4-Way 12" #80901Normalized SKU: 80901UPC Code: 010054809016
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Wirthco
Wirthco Trailer Harness 4-Way Male 12" #80902
$5.20
$6.12
Wirthco 80902 Trailer Wiring & LightingWirthCo 4-Way Trailer Ends feature wishbone design for superior trailer harnessing. Each wire is coded to the standard RVI color code. Includes male end only.
Wishbone design for superior trailer harness
Standard RVI color code
Male end only
12" wire length
Normalized SKU: 80902UPC Code: 010054809023
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Wirthco
Wirthco Trailer Harness 4-Way Male 24" #80903
$7.67
$9.02
Wirthco 80903 Trailer Wiring & LightingWirthCo 4-Way Trailer Ends feature wishbone design for superior trailer harnessing. Each wire is coded to the standard RVI color code. Includes male end only.
Wishbone design for superior trailer harness
Standard RVI color code
Male end only
24" wire length
Normalized SKU: 80903UPC Code: 010054809030
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Wirthco
Wirthco Trailer Harness 4-Way Male 36" #80904
$8.20
$9.79
Wirthco 80904 Trailer Wiring & LightingWirthCo 4-Way Trailer Ends feature wishbone design for superior trailer harnessing. Each wire is coded to the standard RVI color code. Includes male end only.
Wishbone design for superior trailer harness
Standard RVI color code
Male end only
36" wire length
Normalized SKU: 80904UPC Code: 010054809047
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Wirthco
Wirthco Trailer Harness 4-Way Male 48" #80905
$10.97
$13.10
Wirthco 80905 Trailer Wiring & LightingWirthCo 4-Way Trailer Ends feature wishbone design for superior trailer harnessing. Each wire is coded to the standard RVI color code. Includes male end only.
Wishbone design for superior trailer harness
Standard RVI color code
Male end only
48" wire length
Normalized SKU: 80905UPC Code: 010054809054
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Wirthco
Wirthco Trailer Plug Cover 7-Way #20081
$7.41
$8.72
Wirthco 20081 Trailer Wiring & Lighting7-Way trailer plug cover prevents bugs, dirt, and water from damaging trailer plug. Attaches to trailer plug for convenience and ease of use. Snaps to cord wen plug is in use.
Prevents bugs, dirt, and water from damaging trailer plug
Attaches to trailer plug for convenience and ease of use
Snaps to cord when plug is in use
Quick and easy to use
Normalized SKU: 20081UPC Code: 010054200813
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Wirthco
Wirthco Trailer Test Light 4-Way #80911
$11.14
$13.30
Wirthco 80911 Trailer Wiring & LightingThe WirthCo Trailer Test Light helps to properly install a 4-way connector without a trailer attached, plugging directly into the existing car connector. Designed with precision construction for optimal performance and reliability. Quick and easy to use.
Trailer Test Light
Helps to properly install a 4-way connector without a trailer attached
Plugs directly into the existing car connector
Quick and easy to use
Normalized SKU: 80911UPC Code: 010054809115
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Wirthco
Wirthco Trailer Wire Universal 16" 18 AWG #20079
$5.08
$5.98
Wirthco 20079 Trailer Wiring & LightingThe WirthCo 20079 Universal Trailer Wire features a two-pole flat connector, 16 in. leads with 18-gauge wire, and E-Z Connect bullets. One per package. Designed with precision construction for optimal performance and reliability.
Universal two-pole flat connector
Lead Length: 16 in.
Wire Gauge: 18
E-Z Connect bullets
Normalized SKU: 20079UPC Code: 010054200790
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Wirthco
Wirthco Vehicle Harness 4-Way Fem 12" #80908
$3.81
$4.48
Wirthco 80908 Trailer Wiring & LightingWirthCo 4-Way Tow Vehicle Ends are a 4-way circuit connector. Each wire is coded to the standard RVI color code. The pigtail harness is easy to install. 12" length. Typically used at the tow vehicle end of the connection.
4-way circuit connector for female or car ends
Standard RVI color code
Style: Pigtail Harness
12" wire length
Normalized SKU: 80908UPC Code: 010054809085
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Wirthco
Wirthco Vinyl Ring Terminal 12-10 AWG 3/8" Stud 100 Pack #80357
$18.34
$21.89
Wirthco 80357 Terminals & KitsAlso sold as Battery DoctorBattery Doctor's Vinyl Ring Terminals feature general purpose insulation rated to 167°F (75°C). They feature a maximum voltage rating of 600 Volts and a stud size of 3/8". The 80357 model includes 100 vinyl terminal rings per package.
Gauge (AWG): 12-10
Stud Size: 3/8"
Pack of 100 Vinyl Terminal Rings
General purpose insulation rated to 167°F (75°C)
Maximum Voltage Rating: 600 Volts
Normalized SKU: 80357UPC Code: 010054803571
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Wirthco
Wirthco Wall Mount Battery Charger & Maintainer 6/12v 900ma #20026
$63.38
$76.05
Wirthco 20026 Battery ChargersAlso sold as Battery DoctorBattery Doctor's Wall Mount Battery Charger and Maintainer features 6/12 Volt - 900mA compatibility. It charges and maintains batteries from 2.7 to 30 Amp hours. The Wall Mount Battery Charger and Maintainer features easy-to-read battery charge status LEDs, reverse hook-up protection and spark resistance. Smart Battery Technology prevents overcharging. Automatic "Switching Technology" can be safely connected to the stored vehicle for long periods of time. The direct wall plug-in design keeps the work area clutter free. Includes Ring Terminal and Alligator Clip Cable attachments with a Bullet 2 Pin Connector.
6/12 Volt - 900mA compatibility
Electronic Switch Mode Technology
Plug-N-Play connections
Seasonal battery maintenance
Multiple stage charging
Normalized SKU: 20026UPC Code: 010054200264
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Wirthco
Wirthco Wall Mount Smart Battery Charger & Maintainer 12v 2a #20063
$77.89
$96.70
Wirthco 20063 Battery ChargersAlso sold as Battery DoctorBattery Doctor's Wall Mount Smart Battery Charger and Maintainer features 12 Volt - 2 Amp compatibility. It charges and maintains batteries from 5 to 200 Amp hours. The Wall Mount Smart Battery Charger and Maintainer features easy-to-read battery charge status LEDs, reverse hook-up protection and spark resistance. Smart Battery Technology prevents overcharging. Automatic "Switching Technology" can be safely connected to the stored vehicle for long periods of time. The direct wall plug-in design keeps the work area clutter free. Includes Ring Terminal and Alligator Clip Cable attachments with a Bullet 2 Pin Connector.
12 Volt - 2 Amp compatibility
Electronic Switch Mode Technology
Plug-N-Play connections
Seasonal battery maintenance
Multiple stage charging
Normalized SKU: 20063UPC Code: 010054200639
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Wirthco
Wirthco Wire Nut 14 10 AWG 5-pk #80888
$2.45
$2.88
Wirthco 80888 Terminals & KitsThe WirthCo Wire Nut allows quick, secure connections for positive continuity. They are reusable for easy circuit changes and addition. Rated at 300V max.
Allows quick secure connections for positive continuity
Reusable for easy circuit changes and addition
Gauge: 14-10 AWG
Color: Red
Includes 5 wire nuts
Normalized SKU: 80888UPC Code: 010054808880
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Wirthco
Wirthco Wire Nut 18 10 AWG 5-pk #80886
$2.01
$2.36
Wirthco 80886 Terminals & KitsThe WirthCo Wire Nut allows quick, secure connections for positive continuity. They are reusable for easy circuit changes and addition. Rated at 300V max.
Allows quick secure connections for positive continuity
Reusable for easy circuit changes and addition
Gauge: 18-10 AWG
Color: Yellow
Includes 5 wire nuts
Normalized SKU: 80886UPC Code: 010054808866
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Wirthco
Wirthco Wire Nut 18 14 AWG 5-pk #80884
$1.68
$1.98
Wirthco 80884 Terminals & KitsThe WirthCo Wire Nut allows quick, secure connections for positive continuity. They are reusable for easy circuit changes and addition. Rated at 300V max.
Allows quick secure connections for positive continuity
Reusable for easy circuit changes and addition
Gauge: 18-14 AWG
Color: Orange
Includes 5 wire nuts
Normalized SKU: 80884UPC Code: 010054808842
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Wirthco
Wirthco Wire Nut 18 22 AWG 5-pk #80880
$1.53
$1.80
Wirthco 80880 Terminals & KitsThe WirthCo Wire Nut allows quick, secure connections for positive continuity. They are reusable for easy circuit changes and addition. Rated at 300V max.
Allows quick secure connections for positive continuity
Reusable for easy circuit changes and addition
Gauge: 22-18 AWG
Color: Gray
Includes 5 wire nuts
Normalized SKU: 80880UPC Code: 010054808804
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Wirthco
Wirthco Wire Nut 22 14 AWG 5-pk #80882
$1.60
$1.88
Wirthco 80882 Terminals & KitsThe WirthCo Wire Nut allows quick, secure connections for positive continuity. They are reusable for easy circuit changes and addition. Rated at 300V max.
Allows quick secure connections for positive continuity
Reusable for easy circuit changes and addition
Gauge: 22-14 AWG
Color: Blue
Includes 5 wire nuts
Normalized SKU: 80882UPC Code: 010054808828
Frequently Asked Questions
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