RPTR-OBA/734
Installation Manual
REV: B (04/25/2022)
37
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It is recommended to disconnect the vehicle battery when performing wiring.
•
Insert all wiring into the included wire loom & route loom away from sharp edges & high heat
areas. Fasten securely using zip-ties or similar.
•
Do not cut wires to length until you are 100% confident of the required length for final
connections.
•
The fuse holder comes looped & should be cut once location of fuse is decided.
•
Remove fuse (if installed) until all electrical connections are complete & system is ready to be
tested.
•
The included push button can be installed in any location that has 1” of clearance behind the
install surface. A ¾” hole should be drilled for the pushbutton.
Figure 45- Horn Pushbutton Install Example
•
If using OEM upfitter switches, consult the owner’s manual for OEM switch wiring information.
•
The relay comes with self-tapping screws to be used for securing the module in your preferred
location.
•
Either air horn solenoid wire can serve as the pos (+) signal wire or the ground (-) wire.
•
Either pressure switch wire can be connected to the relay or the ignition line.
END OF SECTION
