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Bow navigation light bulb type?

blacksapphirez

Jetboaters Captain
Messages
1,191
Reaction score
977
Points
247
Location
Charleston, SC
Boat Make
Yamaha
Year
2020
Boat Model
SX195
Boat Length
19
Does anyone know what bulb type is in the bow navigation lights?
 
It's called a Festoon bulb. Mine is a 31 MM. Strange looking bulb, about 1 1/4 inches long and pointed on both ends. I recently replaced all my bulbs with LEDs to reduce power consumption and because they are cool, literally and figuratively...

Anyway, the front navigation light was the last one I replaced and I had some difficulty there. The ones I found on Amazon were the correct size but I tried 2 brands and they made the green look blue. No good. I ended up paying $29 for one at West Marine which is a rip-off but even though it's labeled as a 31 mm, it's actually 33 mm and the cap wouldn't fit back on the light fixture. I tried one more Amazon bulb but had the same color problem so I went back with the West Marine bulb. To make it fit, I removed the light fixture from the boat and used a drill to enlarge the hole in the lower metal contact so the bulb would sit further down in the lamp. Problem solved.
 
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