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Old 10-23-2018, 11:58 PM   #8
Stocker
20' Daredevil (Ret)
 
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Join Date: May 2003
Location: Jefferson State
Posts: 13,810
Re: GMC headlight upgrade issues

Quote:
Originally Posted by Fbks_Cruiser View Post
What wattage H4 bulbs did you use? Standard H4s are 55/60W and can go much higher. I believe the stock were closer to 35W. The higher wattage would trip the breaker.
Jegs website says those are standard H4 12V 60/55W Bulbs.

OP, you might consider upgrading the inner (high beam only) lamps to E-codes also. These Hellas use H1 bulbs and being dedicated high-beams, should easily outperform your H4s, which have to perform the separate duties of low beam and high beam. http://www.rallylights.com/h5001-hel...dlamp-kit.html


Google might find others (I didn't look). I would stick with an established European brand with proven quality, such as Hella or Cibie.
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