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Stop Light/turn signal blowing bulb

supercub
Explorer
Explorer
I keep blowing bulbs on the left side of my travel trailer. Fuse remains intact. Any idea why the bulb would blow and not the fuse? What should I check?
Thanks
5 REPLIES 5

StirCrazy
Navigator
Navigator
how long do the bulbs last? and are you buying the cheapest one or decent one
2014 F350 6.7 Platinum
2016 Cougar 330RBK
1991 Slumberqueen WS100

bucky
Explorer II
Explorer II
By blow do you mean one or both of the filaments are broken or are they intact but just not working?
Puma 30RKSS

JRscooby
Explorer II
Explorer II
Bad or marginal ground can cause this issue.
Or even lose fit in socket.
Back when I ran incandescent bulbs in truck taillights I would put a half pea sized dab of silicone on the glass near base. Old hands said it helped, absorbed vibration before it got to filament. Seamed to help.

WayneAt63044
Explorer
Explorer
Wrong bulb number? Same bulb as the right side?
2012 Forest River V-Cross Vibe 826VFK
pulled by 2009 Ram 1500 Quad Cab Hemi

ssthrd
Explorer
Explorer
Check the light socket for corrosion. Maybe the bulb is OK......

I little vinegar on a q-tip does a great job cleaning contacts.
2014 Keystone Laredo 292RL
2013 Palomino Maverick 2902
2018 GMC 3500HD, 4x4, 6.5' box, SRW, Denali, Duramax, Andersen
DeeBee, JayBee, and Jed the Black Lab

The hurrier I go the behinder I get. (Lewis Carroll)