Cargo light keeps burning out!
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Member
Joined: May 2001
Posts: 19
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From: Gilbert, AZ, USA
Cargo light keeps burning out!
I need some help! One of the bulbs in my cargo light cluster on the cab above the rear window keeps burning out with in a week of replacement. It turns all black inside and sometimes even seems to explode! I can't figure this one out.
Rooter
Rooter
Senior Member
Joined: Jul 2000
Posts: 5,116
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From: Houston, by way of every major city in America.
He lives in the desert, JMC
Rooter, there is "something" wrong with the cargo lights on these trucks, my sockets are melting and turning black. I tried some superwhite bulbs, and they burned out in a week. Regular bulbs seem to last a little longer for me. I don't know why they do it either. I don't remember metal sockets being this much trouble, maybe they should go back.,,,,98
Rooter, there is "something" wrong with the cargo lights on these trucks, my sockets are melting and turning black. I tried some superwhite bulbs, and they burned out in a week. Regular bulbs seem to last a little longer for me. I don't know why they do it either. I don't remember metal sockets being this much trouble, maybe they should go back.,,,,98
Technical Article Contributor
Joined: Dec 1997
Posts: 9,417
Likes: 11
From: Windsor,Ontario,Canada
Rooter,
How often do you wash your truck?
For a bulb to burn the filament must burn up or break. One cause is moisture, another is too much current and a third is excess vibration or shock to the filament. A black bulb is a sign of moisture. If there was too much current both bulbs would burn as they are wired in parallel. If there was too much vibration or a shock so violent to break the filament , I would suspect that both bulbs and the Stop lamps would also break.
Regards
Jean Marc Chartier
How often do you wash your truck?
For a bulb to burn the filament must burn up or break. One cause is moisture, another is too much current and a third is excess vibration or shock to the filament. A black bulb is a sign of moisture. If there was too much current both bulbs would burn as they are wired in parallel. If there was too much vibration or a shock so violent to break the filament , I would suspect that both bulbs and the Stop lamps would also break.
Regards
Jean Marc Chartier