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Home >> Dodge and Ram >> 2021 >> ProMaster 1500 >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Delivery, Gas >> Switch, Inertia >> Description

Switch, Inertia: Description

The switch is in line between the PCM and the fuel pump relay on the control side. Acts as a switch (open/closed). Open, the PCM loses the ability to close the relay.

The inertia switch is located between the dash panel at the wheel well housing on the passenger side.