Quote:
Originally Posted by Jhill
You're pretty safe to check it as the ECM typically have their own resistor in series before the output ...
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IF the person using the meter knows what they are doing. Even if the ECM is bullet-proof, I'd hate to muck around, short some wires, and put 12V where it doesn't belong (like inside the gas tank). If it were you doing it, I wouldn't be too concerned - I'm not sure OP has acquired the skills to do the job safely.