Re: 67-72 GMC park light socket
My C-30 [71] needed a pair of lights for my bumper. Being the resourceful guy I am [read broke] and that i have built and junked TONS of88=07 trucks I replaced the end from the old truck with three wire pigtails from a newer type.Now my one ton takes the newer 3157 light bulb. I did have to drill a hole in my lamp housings to ground the third wire. I also opened the hole for the light bulb but no big. Works awesome. Jim
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