unplugging that plug you can just use an ohm meter to check the continuities with the signal lever in different positions - also you have an aftermarket unit that doesn't follow the universal aftermarket colors or the industry standard [GM] codes either - make sure you matched up your colors correctly

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