that might help - probably need to make sure the 2nd unit is grounded to the column ... could also be something in the harness under the dash ... yes electrical can be frustrating in the extreme frown

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics