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« on: May 12, 2016, 05:32:33 PM »
Dave: Thank you for the comments. However, those colors and the View B are related to C60 and Z28's do not have a C60, Therefore, I believe that it is not applicable.
Rob: Thank you for more comments. In doing some more review. I think that on AIM D55 A6, ref. 1 harness 6297556 goes under the dash where the U17 schematic references and that ref. 2 harness 6297580 is not used when U17 occurs. Instead on AIM U17 A2 ref 3 harness 6297581 is used for the gauges lights and the pigtail by the boxed View A probably goes back to the rear light and this fits into the U17 schematic references. More interesting is AIM U17 A3 ref. 3 harness 6295058 that comes from the bulkhead connector and runs forward to numerous places. Again there is no wiring diagram for this too and when I tried to look at the bulkhead connector on mine the brake booster hides it. A check on the temperature sensor shows a Dark Green wire coming off it and into that harness and just like the AIM 12 D1 schematic indicates. A second Black wire probably about 16 gauge but maybe 14 gauge is coming off the horn relay and going into that harness, as show on AIM U17 A3 View A. Ultimately, is this the 14 Black wire of the U17 schematic that connects to the battery gauge, could be since reading the AIM 12 D's and with a non-U17 in mind the horn relay is in the power circuits and GEN idiot light.
Hopefully, you got some sleep and if you find some information in the books please let me know, otherwise I am going to tear into the D55 console and see what I can actually find.