kitbuilder123:
Yep, this is true. Anything with air in the yellow Susie when uncoupling is applying the trailer brakes. Majority of trucks do it now.
And the reason why it’s a good idea to put the yellow line on first!
kitbuilder123:
Yep, this is true. Anything with air in the yellow Susie when uncoupling is applying the trailer brakes. Majority of trucks do it now.
And the reason why it’s a good idea to put the yellow line on first!