I have no running lights on my 2006 Peterbilt 387 all of the lights work
You get the software for the engine (e.g., DDEC for Detroit, Insite for Cummins, and I'm drawing a blank remembering what it is for Cat) and a diagnostic connector (such as NexIQ or Inline for Cummins), pull up the fault codes, and reset them. Now, if it's something which is going to be recurring, those codes will come back until you repair the fault (if they clear at all).
359 Peterbilt has breakers. Dash panel (far right has 2 columns of reset buttons. macdtrucking
Disconnect your battery cable for a bit and then reconnect.
Ultimate Factories - 2006 Peterbilt 1-3 was released on: USA: 28 January 2007
find a autozone they scan and reset codes for free
On top of the transmission output.
You can reset codes with a scan tool or by unhooking the battery.
reset
How do you reset dashboard codes for 2000 Cadillac STS?
You reset the codes with a scan tool after repairing the failure.
Have vehicle scanned to clear the codes or try disconnecting the battery for about 10 minutes