I'm quessing he has a electric temp sensor. I think second series
55 truck were the last to use the bulb set up. I think this is what he's looking for.

http://www.americanclassic.com/images/SP815.jpg

Last edited by 55 SHAKER; 12/09/2012 1:21 PM.

Brian
1955.2 3100 Truck
The older I get the more dangerous I am!!!!!