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Re: Freightliner m2 no city horn
Posted to HD/Fleet Forum on 11/17/2020 4 Replies

I would think that you need a scantool (like Service Link on a laptop and an adapter such as Nexiq USB Link2) that can communicate with the Chassis and Bulkhead modules. Then you can determine if the system is receiving a horn request signal, and whether it ca... Login to read more.

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