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Need help ID electrical component

1K views 5 replies 4 participants last post by  supergordo 
#1 ·
Does anyone know what this component is? I can’t find a illustration in my 1987 Thunderbird/Cougar Wiring and Vacuum Hose guide. It is located on the passenger fender, under the air box routing. Thank you.

44593

44594
 
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#3 · (Edited)
Feel like thats a service port for something like ABS or Diagnostics for something. Lemme go grab my old manuals and see if I can't come up with something for ya.

Maybe you can make some sense of these
. And as Matt asked, whats the color of the wires so we can help ta out a bit.

Images are no help when restricted in resolution...peh
 
#6 ·
Hey, any chance it’s the WOT switch/relay fir the AC compressor? Here is a page I found in my 87 Wiring book, and a closeup of the diagram that has some of the wires in the picture I sent.

View attachment 44630
Sure looks like it could be that. You can do a simple continuity test with a multimeter between the PK/LB at the relay and the Clutch pressure cycling switch.
 
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