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#3 |
Active Member
![]() Join Date: Jan 2017
Location: Traverse City, MI
Posts: 173
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Re: 85 GMC C25 Questions
I do not have the diagram to either one, but keep in mind there were a Light-Duty version (7200 GVW) and a Heavy-Duty version (8600GVW). A lot more wiring on the LD version.
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