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Discussion Starter #1
I have Defi link gauges and a SAFC. Of course they both need a tach signal, but when I share the tach signal from the ecu wire (about 4" from the ECU plug) i get a CAS code and the car starts to run on 3 cylinders. But if I tap into that tach signal with only the SAFC I get a reading on my screen and the car runs fine. Can I not tap 2 signal wires into the ecu harness? Anyway around this? Maybe gap them much further apart? Any thoughts would be appriciated. Thanks!
 

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63 Posts
Discussion Starter #2
Hm, wonder if even the defi link system needs a tach adapter? I wouldnt think so since its all digital and states to grab your signal from the ecu wire and not the coil. Anyone know?
 
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