1977 GMC C15 equipped with 7.4L V8 Gas OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
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May Require New Pigtail Connector for Installation
1977 GMC C15 equipped with 7.4L V8 Gas OHV, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.8L L6 Gas OHV, 4.1L L6 Gas OHV
May Require New Pigtail Connector for Installation