Do all of the Wires of the Invisi-Brake Need to Be Wired to Install Brake Kit
Question:
I already have a charge wire from the coach to the towed vehicle battery so do I need the wire to the running lights ? Also on my 2014 F-150 do I need that brake light relay and what does it do?
asked by: Roger
Expert Reply:
Even though you already have a charge wire ran from your RV to your vehicle batter you would still want to run all of the wires to install the part # RM-8700 on your truck.
To determine if a brake light relay # RM-88400 is needed to properly wire your vehicle to be towed, 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 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.
The purpose of a brake light relay kit is to prevent your towed car's brake signal from overriding the turn signal that comes from your RV.
Product Page this Question was Asked From
Roadmaster InvisiBrake Flat Tow Brake System - Preset
- Tow Bar Braking Systems
- Brake Systems
- Pre-Set System
- One Time Set-Up
- Fixed System
- Power Assist Brake Compatible
- Air Brakes
- Hydraulic Brakes
- Roadmaster
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