Good Sam Club Open Roads Forum: Tow Vehicles: Trailer brake warning on RAM
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 > Trailer brake warning on RAM

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Krusty

Calgary, Alberta,Canada

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Joined: 04/26/2003

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Posted: 06/11/21 12:54pm Link  |  Quote  |  Print  |  Notify Moderator

If you were to connect a test lamp to the brake circuit on your trucks 7-pin connector, you may notice a small quick flash every 30 seconds or so. That is your brake controller monitoring the circuit. It sends out a voltage and watches for a reference to ground on the circuit. If it doesn't see one, it knows the circuit is open and displays the warning message.


Krusty
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Fisherman

Angus, Ontario, Canada

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Posted: 06/11/21 06:07pm Link  |  Quote  |  Print  |  Notify Moderator

Krusty wrote:

If you were to connect a test lamp to the brake circuit on your trucks 7-pin connector, you may notice a small quick flash every 30 seconds or so. That is your brake controller monitoring the circuit. It sends out a voltage and watches for a reference to ground on the circuit. If it doesn't see one, it knows the circuit is open and displays the warning message.


Good info, thanks.

Flashman

Tucson, Aizona, USA

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Posted: 06/15/21 05:27pm Link  |  Quote  |  Print  |  Notify Moderator

Fixed, I read the other thread on the subject and followed the advice and pinched the contact on the trailer cord that plugs into the truck and that fixed it. Nice to have it fixed I was in Mexico and had a long drive home.

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