Is Brake Lite Relay Needed When Flat Towing 2016 Jeep Wrangler with Invisi Brake

Question:

i am using the roadmaster insvi brake on my wrangler, towed behind my motor home.I am using your HM56200 wiring kit, will i still need the brake kit RM88400? Thank you

asked by: Ken K

Helpful Expert Reply:

Here's how you will know if you would need the brake light relay part # RM88400 on your 2016 Jeep Wrangler with your Invisi Brake system and Hopkins wiring harness.

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.