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Re: 2005 Feightliner Columbia Retarder Relay Location
Posted to HD/Fleet Forum on 4/5/2010 1 Reply

Thanks for responding,

last 6 is 235360, the switch always displays off and the jake output parameter displays j1:p1:18 (I think), it goes from off to on when letting off throttle.

I ended up resetting settings on the ABS so the light will stay off, once I... Login to read more.

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