1983 Suburban non power tailgate upgrade to a 1987 Suburban power window tailgate 1983 Suburban non power tailgate upgrade to a 1987 Suburban power window tailgate. How is this done? Are there pre existing wires tucked somewhere which I can connect to? If not, where do I connect the 3 wire pigtail coming off of the motor on the tailgate? Any help will be greatly appreciated.

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You will need the wiring diagrams which fixya doesn't have due to copyright laws. You can pay to access them here www.alldatadiy.com
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