02-28-2015, 02:06 PM
The tick might be from the relays above your head that switch the speakers from the tv to the car stereo when ignition is on.
Forest & Cindy Olivier
1987 log cabin
2011 Roadtrek C210P
PO 1999 Foretravel 36'
1998 Newell 45' #486
1993 Newell 39' #337