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i got a question. i know a thing or two about a thing or two, but my buddy is buying a 97 f350 and it has some kind of controller in it, and i dont quite know what to tell him what it is, or what it is used for. any help would be great...
dont think so because i see a trailer brake controller right underneath the steering column, but i was thinking maybe an add-on abs trailer brake system controller or something along those lines... its a powerstroke so i was also thinking like a engine monitoring system like to measure boost and egt's and stuff...