ol55 - the switch Brad linked is the one that mounts inside the cup of the 55-59 signal assembly - under the wishbone spring on the right - if that's the unit [factory] you have, not canceling fully could be to do with the springs in the cup or excess wear at a number of points, as well as a worn out switch

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