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Have a 2007 gmc envoy Denali with a 5.3 a 7 pin connector.
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I have a 2014 GMC 2500HD (Denali) that I use to two a 30'
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GMC: I have a 2004 gmc 2500, 4 door crew cab,XXXXX
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Mike S.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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