2018 Toyota Yaris iA Vehicle Tow Bar Wiring

Name: Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord
Brand: Roadmaster
SKU: RM-15267
Price: 146.94 USD
Availability: InStock
Rating: 4.7677245104659 (2962 reviews)

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Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord

2962 reviews

Code: RM-15267

$146.94

Retail:$206.35

You Save: $59.41

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
7 Blade to 6 Round

Features:

This complete kit includes everything you need to connect your RV's tail, brake, and turn signal lights to your towed car. Diodes prevent damage from electrical feedback. Includes 7-way to 6-way coiled adapter cord and 6-way socket.

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Demco 4-Diode Universal Tail Light Wiring Kit for Towed Vehicles - 7-Way to 6-Way Adapter Cord

82 reviews

Code: DM9523010-54

$212.67

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
7 Blade to 6 Round

Features:

This complete kit includes everything you need to correctly display your RV's brake and turn signals on your vehicle tail lights. Includes coiled 7-way to 6-way adapter cable and 6-way car-side socket.

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Blue Ox 4-Diode Universal Tail Light Wiring Kit for Towed Vehicles

180 reviews

Code: BX8848

$70.06

Retail:$93.00

You Save: 25%

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit

Features:

This wiring kit carries brake and turn signals from your motorhome to your towed car while you're flat towing. Diodes protect your car from damage from electrical feedback.

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Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Straight Adapter Cord

2962 reviews

Code: RM-152-98146-7

$193.72

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
7 Blade to 6 Round

Features:

This complete kit includes everything you need to carry your RV's brake and turn signals to your towed car's tail lights. Diodes prevent electrical feedback. The straight 7-to-6-wire adapter cord is ideal for tow bars with channel guides.

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Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Hybrid Adapter Cord

2962 reviews

Code: RM-152-1676-7

$213.56

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
7 Blade to 6 Round

Features:

This complete kit includes everything you need to carry your RV's brake and turn signals to your towed car's tail lights. Diodes prevent electrical feedback. The hybrid coiled/straight adapter cord is ideal for tow bars with channel guides.

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Roadmaster Diode 7-Wire to 4-Wire Flexo-Coil Wiring Kit

137 reviews

Code: RM-15247

$141.59

Retail:$198.11

You Save: $56.52

In Stock

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit

Features:

Diode kit allows you to use your vehicle's tail lights and wiring system while preventing feedback from your RV. Wires 2-wire and 3-wire systems to operate as a combined lighting systems. Includes 7-wire to 4-wire Flexo-Coil electrical cord.

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Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 4-Way Flat Connectors

2962 reviews

Code: RM-154

$92.93

Retail:$117.98

You Save: 21%

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
4 Flat

Features:

This wiring kit carries your RV's brake and turn signals to your towed car's tail lights. Diodes prevent damage from electrical feedback. Connects RV and towed car with 4-pole flat plugs. Includes installation hardware.

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Roadmaster 6-Diode Universal Wiring Kit for Towed Vehicles with Separate Lighting

60 reviews

Code: 154-792-118158

$153.34

Flat Tow Wiring Harness Specs:

Splices into Vehicle Wiring
Diode Kit
Universal Fit
6 Round

Features:

Connect your towed car's lighting system to your RV's to get the brake lights and turn signals required for towing. Designed for use with vehicles that have separate brake and turn signals. 4-Pole flat loop and wiring converter included.

Tech Tip:

This kit is designed to allow you to use the amber turn signal on the towed vehicle for those vehicles that have separate brake and amber turn signal lights.

More Information >

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How to Make an Adapter to Go from Semi Truck 7-Way Round to RV Style 7-Way Blade on Trailer

Either way is correct. It depends on if you want to keep the semi-style 7-Way (if you need to tow that type of trailer) or if you will never be towing a semi-trailer. If you need to keep the 7-Way semi active on the truck, then you would need to make…

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Hey Steve, thanks for reaching out! The Roadmaster Direct-Connect Base Plate Kit #RM87NQ fits your 2025 Ford Maverick as long as it's the Hybrid model that doesn't have the engine block heater. It doesn't come with the 6-Pin connector,…

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Lighting and Wiring Options for Flat-Towing a Jeep Wrangler Behind a Motor Home

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Towing