United Pacific 36218 · Double Fury four-LED light
Red primary low/high with Purple secondary override
UPI 36218 uses four dual-colour LEDs with a polycarbonate lens and chrome plastic bezel. The red primary colour has low and high inputs; the separately powered purple secondary colour overrides the primary when switched on.
Primary low and high
Black powers the red primary low function and red powers the red primary high function.
Purple secondary override
Yellow powers the purple secondary colour. United Pacific designates the secondary colour for auxiliary/off-road use only.
Threaded-stud mounting
United Pacific’s current family page specifies a 3/4-inch installation hole. United Pacific’s November 2025 flyer lists a 5/8-inch hole for this exact manufacturer SKU. Check the supplied instructions and measure the actual mounting shank before drilling.
Need a separate mount? Compare penny and watermelon-light brackets, then check the exact light’s retention method, bezel and rear clearance against the bracket and mounting location. A matching hole size alone does not confirm fit.
Power, construction and package
Match the 12V four-wire connection
Four-wire hookup
- White: ground
- Black: primary low positive
- Red: primary high positive
- Yellow: secondary positive
- Male bullet plugs
What’s included
- (1) Double Fury 4 LED 1-1/8″ Mini Watermelon Light – Red & Purple LED
- Threaded mounting stud
- Nylon mounting nut
- Installation hardware
United Pacific describes a polycarbonate lens, chrome plastic bezel, epoxy-sealed construction and IP67 water resistance. The family page lists DOT/SAE and FMVSS 108; confirm the primary colour, function, mounting position and installation requirements for the exact application.
Compare Mini watermelon lights by LED colour and function, then compare each light’s colour, wiring, mounting and package details.
Before you choose
United Pacific 36218 questions
What does “Double Fury” mean?
This UPI option has four dual-colour LEDs. The red primary colour has low and high inputs, while the separately powered purple secondary colour overrides the primary when switched on.
Is the purple LED street legal?
United Pacific designates the purple secondary colour for auxiliary/off-road use only. The family page lists DOT/SAE and FMVSS 108; confirm the primary colour, function, mounting position and installation requirements for the exact application.
Does this require a 1-1/8″ mounting hole?
United Pacific’s current family page specifies a 3/4-inch installation hole. United Pacific’s November 2025 flyer lists a 5/8-inch hole for this exact manufacturer SKU. Check the supplied instructions and measure the actual mounting shank before drilling.
Is this light waterproof?
United Pacific lists IP67 water resistance and epoxy-sealed construction for this family.
Can I wire the purple LED to a separate switch?
The yellow wire is the purple secondary positive lead. When powered, the secondary colour overrides the red primary; United Pacific designates the secondary colour for auxiliary/off-road use only.
Warranty
Warranty: 3-year manufacturer warranty.




















