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2008 F550 with service bed

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Old Oct 25, 2011 | 08:16 AM
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Superduty Girl's Avatar
Superduty Girl
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From: TEXAS
2008 F550 with service bed
One of our service trucks keeps blowing fuses everytime he turns on his running lights. It's the #22 fuse, park lamp relay feed. 15 amp. After replacing the fuse and using headlamps and running lights at the same time it will blow again in like 5-10 min.

Any advice would be appreciated.
 
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Old Oct 25, 2011 | 08:28 AM
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LSchicago2's Avatar
LSchicago2
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Most likely your bed lights. Check tails and marker lights, if they are rubber grommeted, pull all the lights out, put in a new fuse and smell around each light. If one is shorted you will smell it.
 
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Old Oct 25, 2011 | 09:07 AM
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Superduty Girl's Avatar
Superduty Girl
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From: TEXAS
Okay we have checked all the bulbs and smelled...(mechanic did anyway) I was wondering if this model has any known habitual problems in the fuse box or the wiring up behind the box?
 
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