| [GMCnet] Restoration. Factory trailer wiring harness. You may have one. Better then off rear lights. [message #297698] |
Sun, 20 March 2016 01:47  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
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Old awning came off today. New holding tanks getting secured now. Inside plastic restoration completed. Then I notice a really bad trailer wiring job to the tail lights. Looked in the glove box to see if a trailer wiring harness came from the factory. And there it was. RPO# UPA-801 Trailer Wiring Harness. So I went out to see where it came out of the body on the GMC convertible. There it was. At the lower left corner of the body. So then I went in, to pull out the mouse house harness. Never used. The wires are wrapped. About 5 ft long. Attached to the rear frame rail across the back with metal clips holding it in place. There are 5 wires. Yellow, Green, Brown, Blue, and a larger white wire. One each for Left, Right, Run lights, and the larger white for ground. So what's the extra wire? Have to be brakes, or 12 Volt. If the 5th wire is for brakes. Where is it up front to hook up to the controller?Bob Dunahugh78 Royale. Mouse House
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