one year I forgot to take the Lund cold front off my 98. I finaly noticed it in last June while towing. I noticed the temps would climb above 180. I thought I had a problem, then I remembered the cold front was still on. Also on the 2nd gen's I used to drill a 3/8" hole so the air would get through the cover to the outside temp pickup. not sure where the 3rd gen temp pickup is.