wiring on 73 f40 question (1 Viewer)

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ukboneman

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Aug 23, 2019
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Hi all, I am cleaning up the wiring on my '73. I have all the schematics and have been through them. I have this 4 wire connector that was behind the dash. It has red, black, black/yellow, and blue/yellow wires. They track towards the rear harness and splice with the back up light (red/blue) wire. I can't figure out what this is for. Any ideas?
tempImageHPXHCv.png
 
These show up on the 74 schematic. I have to refer to that one sometimes when I find something that is not on the 73 schematic.
 

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