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Obd1 p72 Intake air temp wiring

Practical Motorsport Wiring - Club Level

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Does the ground for the iAT need to be spliced into the sensor ground for the iAT on a Honda b series obd1 ecu or where does go?

You got it. 2 wire IAT sensors have signal and sensor ground wires, and don't get run to power ground or power.

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