What Is This Device? 2009 Ranger 2/3L Basic

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May 3, 2026

zandoval

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From: Bastrop,Tx

What Is This Device? 2009 Ranger 2/3L Basic

OK... Chasing a parasitic drain on the battery to the SJB. SO far ts #33 & #11 causing 390 mA drain. Right next to the SJB is a cylindrical device 2cm Diameter x 6cm long with a push button on its top. What is it?

May 3, 2026

Ranger480

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From: Midwest

My guess is fuel pump inertia switch. Shuts off power to the fuel pump if it detects a severe jolt. The red button on the top is the reset.

May 3, 2026

zandoval

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From: Bastrop,Tx

Quote:

Originally Posted by Ranger480

My guess is fuel pump inertia switch. Shuts off power to the fuel pump if it detects a severe jolt. The red button on the top is the reset.

Ha... There it is. Thank You...

Ford Genuine 5L2Z-9341-A 5L2z9341a Fuel Pump Inertia Safety Cutoff Switch Cut Off OEM

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