I had to go look. There was a lot of dirt on top of my pump. Anyway, 1 is rear road extend, 2 is front road extend, 3 is rear curb extend, and 4 is front curb extend. Hope this helps.
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2006 Damon Daybreak 3276 35'with 5 Star Tuner. 3 200 Amp Lithium batteries and 2000 watt PSW inverter/charger. 2013 Elantra on a Master Tow dolly.
Retired USAF
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