Federal Signal Arjent S2 Series A

Willieboy1970

New Member
Nov 17, 2017
6
California, PA
I purchased a used Arjent S2 Series A, that has one gray cable exiting lightbar that has 13 wires. 5 solid color and 5 matching striped. Also 3 different colored wires. Also has one black cable with strands of bare wire, like a ground wire. DOES NOT have the interface cable with R-485 plug.
My questions are: Is this lightbar missing a cable ?
I wanted to use a Federal Interface Module 8583446 but have no cable to plug into the module.
Is a Series A that much different than a Series B ?
Thank You in advance.
 

deelony

Member
May 23, 2010
185
LINY
what you are describing sounds like an original arjent lightbar and not a s2 roc bar. An s2 ROC bar would have a power, ground and cat5 cable to plug into a interface module. What you have does not require any special boxes. Just ground the large black wire and apply 12v to the others.
 

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