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1997 S500 Coupe & 1994 S500 Coupe (with ADS)
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928 Posts
Discussion Starter · #1 ·
My multiplexer has been great aside from not being able to read a couple modules. I'm thinking it's potentially the car and not the multiplexer.

I have a few spare computers around, wondering what am I supposed to replace to test?
 

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1994 S600 Coupe, 1995 S600 Coupe
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3,252 Posts
He should only have one that operates both coils, hence my confusion. There are pins from the two coils in the 38 pin connector; one pin for each terminal 1 on the coil, and a combined pin for terminals 15.

Jon
 

· Registered
1997 S500 Coupe & 1994 S500 Coupe (with ADS)
Joined
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928 Posts
Discussion Starter · #6 ·
Chinese c3 multiplexer. Darn it, so that's the strange part that it connects to. I never pulled that one out, only have the computers under the coffin box. I'll get a blink code reader and see if I get anything out of it.
 

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1997 S500 Coupe & 1994 S500 Coupe (with ADS)
Joined
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928 Posts
Discussion Starter · #7 ·
It was the multiplexer. I hooked up another that I have, that's constantly dying on me, and it read the ez1
 
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