01-25-2018, 08:12 PM
If the wire you are talking about runs down to the side of the pto itself that should be the wire you are looking for. It should be a single wire that is a push on connector. When the pto engages that switch on the pto grounds the circuit which turns on the light on in the dash. The switch itself could be bad .?.(thats the wire i'm looking for) put me and peterbilt dealer can't find it..