Is a Stop Light Relay Needed when Using the Roadmaster Even Brake on a 2009 Jeep Wrangler

Question:

Trying to figure out if i need this for my even brake, 2009 Jeep wrangler, no steering wheel lock, ambilical wiring to tail lights, do i need to install a stop light switch?

asked by: Michael S

Expert Reply:

The stop light relay, # RM-88400, is included with the Even Brake, # RM-9400. You will need to use the stop light switch kit, # RM-751452 according to Roadmaster. This kit will alert you when the vehicle brake pedal is being pressed. A 12 volt power supply, # RM-9332, is also recommended. To determine if a brake light relay is needed to properly wire your towed vehicle, answer the following questions.

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 vehicle 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 vehicle has a combined lighting system. You will need a brake light relay.
Yes - Your towed vehicle 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.