In my car, Y3/3 is located under the drivers side 'facade' cover next to the accumlator/drier and the low side A/C port. It's easily identified b/c of the two vacuum lines attached.

There's also a 'relay', K29 which is called the "upshift delay" module. It's located under the fuse panel in the right corner. It the 'last' relay that's closest to back side.

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Regards . . . . JimF
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'94 S500 Cpe

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