Just picked up a Jayco Seneca HD on the 5500 chasis with the Dmax and it came with a tranny temp guage off to the side of the dash near the exhaust brake switch. I would think they would be pre-wired as said above.
Anybody know of anybody making a Programmer for this motor. It's only rated at 300hp and 520 ft-lbs. Seems odd that my 2500HD pick-up is rated at more than my motorhome with a 26,000lbs GVWR.
Thanks,
Chris