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piaa fog lights

1K views 5 replies 4 participants last post by  wvudave 
#1 ·
Got a set of 520s (i think) on my windshield for about 3 years and i keep blowing bulbs. Only one blows at a time and it alternates sides. Piaa said 3 years ago they got a batch of bad bulbs in but its been 3 years and still blowing bulbs. Anybody have any thoughts or opinions on this matter? Thx
 
#4 ·
A while back I was using PIAA H3 bulbs in the fog lights of my daily driver, and couldn't get them to last more than about 8 months. That was with 55W bulbs too. I had about 6-8 bulbs replaced under warranty from PIAA, but then I gave up on them. If your 520s came with 85W bulbs then they may not last very long at all.
 
#5 ·
It may not actually be your bulb blowing. I have a set mounted in the bumper, and after two months one went out. I took the light apart and noticed the light filament was still intact. I found the problem to be the grounding wire had come unsoldered from the bulb housing. A soldering iron and 10 minutes later, the ground leads on both lights were re-soldered to the light housing, and I haven't had a problem since. The solder used for the ground wire is very thin. For an off-road light, PIAA should do better.
 
#6 ·
I may have to check that out because whenever this last one went out i banged on it a couple of times and it came back on for another hour or so. Just long enough to get me off the mountain! So maybe it is a loose connection. Thx for the input!
 
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