I have the HCT32RL, the pump is to the left side of the bed facing forward, under a boxed in panel. Mine is leaking, but I have put off fixing it because it's so difficult to get to, and we rarely use the water pump, just use the city water connection.
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Charlie Walther
Hill Country HCT32RL
Dodge Ram 2500 Power Wagon - 6.4L Hemi - 2018
Ready to Rumble