80-J7616-1 Rev. C
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
44
7-ways with Circuit Breakers
Connect to the unprotected (truck) side of the 7-way circuit breaker which can be verified by
doing a visual inspection. The unprotected side is the side of the breaker without the blue wire
connected.
Caution: When working with a slip-on 7-way, always install the TT150 system on t
he
unprotected (truck) side of the trailer. All four pins are protected. To access the unprotected
(truck) side of the circuit breaker, disassemble the 7-way. When reassembling the 7-way, do not
rotate the housing. Ensure correct color coding.
The following 7-way has circuit breaker protection. The TT150 system must be connected to
the unprotected (truck) side of the circuit breaker.
