Cummins Diesel Forum banner

Strange LED

1041 Views 7 Replies 5 Participants Last post by  lpennock
While I was working with n the truck today, I noticed a green LED by the intake horn. Any ideas what that is?
1 - 2 of 8 Posts
Agree it sounds like the Quad Boost fooler. With the Smarty remove it and you'll find the truck pulls harder on WOT.
Looks like a boost cooler. Not needed with a smarty.
1 - 2 of 8 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.