Thank you, Matt, So, in my oppinion the best metods are the acupuncture back probing ( if this not compromise the waterproof feature of the connector; I don't know .... :) ), or to use breakout lead set . Another questions is if I had to measure the sensors aor the actuators at the ECU side of the w...

Hello everyone, I just need to know what are the suitable probes for automotive applications. I mean, almost every connector has waterproof connections. How should I proced for example in measuring a lambda signal? Or TPS signal ? Am I allowed, or is it OK in using a needle probe or a piercing probe...