Brakes 4 m119a1 6t 2wheel van trailer help

[MWMULES]

I was going to tow a M119A1 6 ton Van trailer with my M818 but neither one of the glad hands on the front of the trailer are marked or painted. Standing on the 5th wheel of the 818 looking at the nose of the trailer which is the service and which is the emergency?? Thanks in advance for the help.
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[Josh]

IF they arnt marked, just hook em up, and if the trailer brakes are locked, then ya gota em backwards.

 

[Trailboss]

Put your M818 red gladhand on the driver's side of the trailer, and the yellow one on the passenger side of the trailer. I'm assuming your M818 glad hands are painted. Service is usually on the passenger side of the trailer, and emergency is on the driver's side.