What Relay Might be Needed When Installing Hopkins Tow Bar Lighting Kit # HM56206
Published 07/12/2019
Question:
If I purchase the HM56206, how much is the relay?
asked by: Randall F
Expert Reply:
The Brake Light Relay needed for use with the Hopkins Tow Bar Lighting kit part # HM56206 is the part # RM-88400 which the pricing is available at the product link on this page.
A supplemental braking system depresses the brake pedal in your towed car every time you apply the brakes in your RV. So, if your towed car's brake lights illuminate when the brake pedal is pressed and the engine is off - as is the case when towing - then you need to install a relay to ensure that the lights on your towed car always act in accordance with the signals sent by your RV via the wiring harness. Without a relay, the brake signal from your towed car will override the turn signal sent by your RV when you slow down to make turns, creating a potential hazard.
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on Flat Tow Wiring Harness
