Intermittent Trailer Brakes and Marker Lights
2015 Jayco Jayflight 26BHS 2009 F150 STX Intermittent Marker Lights and Brakes on trailer This problem happened last with only the brakes while under warranty. Tech followed wires, tested tru...
Forum Discussion
Something COMMON to both problems is chassis negative THE GROUND.
Truck wire to socket. Check wire where it hooks to frame as well
Truck socket.
Umbilical cord to trailer. Does it have a pinch mark in it?
Where umbilical connects to trailer chassis wires.
I don't believe in miracles and the chances of 2 errors happening simultaneously in two circuits is like 10,000 times less likely than a bad ground connection.
Print the list of "The Usual Suspects" above or even the entire response and take the rig to a DIFFERENT repair service.
Truck wire to socket. Check wire where it hooks to frame as well
Truck socket.
Umbilical cord to trailer. Does it have a pinch mark in it?
Where umbilical connects to trailer chassis wires.
I don't believe in miracles and the chances of 2 errors happening simultaneously in two circuits is like 10,000 times less likely than a bad ground connection.
Print the list of "The Usual Suspects" above or even the entire response and take the rig to a DIFFERENT repair service.
