Cummins/Onan 4.0 BF-1R/9500 — Installing Onan Remote Switch (300-0985)
Installation · Remote control
For the Cummins/Onan 4.0 BF-1R/9500, from the Cummins/Onan service manual.
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Before you start
- Do not route remote wires through the same conduit as AC load wires
- Seal opening to prevent deadly exhaust gases from entering the motor home
Procedure
- Determine location of remote control and cut a hole in motor home panel
- Connect four lengths of #18 multistrand wire to junction box wires labeled 1, 2, 3 and 6
- Connect to corresponding terminals on remote switch
- Route remote wires through a separate knockout plug on plant junction box
- Make connections to remote switch, then secure with #5 wood screws
- Seal opening between plant compartment and motor home interior
Tools required
- #5 wood screws Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.