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Old 10-16-2020, 01:45 PM   #10
warrpath4x4
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Join Date: Aug 2013
Location: Prosser, WA
Posts: 99
Re: 1977 GMC Jimmy High Sierra

Who would think upgrading the headlights could be a multiple night project.... this guy!

I picked up a LMC heavy duty harness (used one on my 72 and it made a huge improvement), and some new headlights PHILIPS H6024CV Crystal Vision Ultra from rock auto for $12 a light.

old headlights, one was labeled halogen and the other i could not find a brand.


passenger new, driver halogen. not the best picture but you can make out that the driver side has more yellow tint to it


both of the new headlights, the thing i did not expect is the old lights illuminated more of the ground closer to the jimmy, and the new lights seem to illuminate higher up (no adjustments were made)


unlike the 72 where the harness made a huge improvement, adding the harness did not make much of a difference here, it is slightly brighter.
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