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Re: 04 F650 Brake light
Posted to HD/Fleet Forum on 4/14/2020 9 Replies

You said single wire on the switch, how are you toggling the light with the switch out?

Module is looking for a ground through the master to enable the light. If the light is on, then the plunger must be contacting the valve.

Did you get the rear bleeders ... Login to read more.

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