Re: Quad Headlight Questions
my 87 and 88 were 2 low 4 high.
high bulb is low beam,low is high beam.
I switched them around,just bend out the bucket key
one light has 3 connection pins one has two
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John
1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350
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