Will a 2002 Dodge Durango Need a Brake Lite Relay Kit when Installing Tow Bar Wiring

Updated 11/18/2013 | Published 11/17/2013

Products Featured in This Question

Roadmaster Brake-Lite Relay Kit for Towed Vehicles

(772)

$44.40

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

(3559)

$107.27

Question:

I purchased RM-154 for my 2002 Durango, so do I still need RM88400?

asked by: Wade H

Expert Reply:

In order to determine if you would need to install a Roadmaster Brake-Lite Relay Kit # RM-88400 with your Roadmaster Diode Kit # RM-154 you will need to follow the following guide:

Are you using a supplemental braking system that depresses the brake pedal in your towed car?

No - You do not need a brake light relay.

Yes - You may need a brake light relay. Continue on to the next question.

Do the brake lights on your towed car illuminate while the engine is off?

No - You do not need a brake light relay.

Yes - You may need a brake light relay. Continue on to the next question.

Do your towed car's brake lights act as both the brake signals and the turn signals?

No - You may need a brake light relay. Continue on to the next question.

Yes - Your towed car has a combined lighting system. You will need a brake light relay to ensure proper activation of its signal lights.

Does your towed car have separate brake lights and turn signals?

No - Your towed car has a combined lighting system. You will need a brake light relay.

Yes - Your towed car has a separate lighting system. You may need a brake light relay. Continue on to the next question.

Are you wiring your vehicle with a six-diode kit or a TowDaddy custom wiring harness?

No - You will need a brake light relay to ensure proper activation of your towed car's signal lights.

Yes - You do not need a brake light relay.