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54blackhornet · 05-23-2018, 04:12 PM

My GMC is a 71, no provision for second horn. The dual horns I located where from a 69 C20, even listed on spid.

05-23-2018, 04:12 PM	#10
54blackhornet Registered User Join Date: Jul 2008 Location: Eastern Oregon Posts: 2,258	Re: High Low Horn question My GMC is a 71, no provision for second horn. The dual horns I located where from a 69 C20, even listed on spid. __________________ 71 C-20 07 Magnum RT AWD