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How to jump fuel pump relay on chevy truck

Sound bar volume goes up by itself

How to jump fuel pump relay on chevy truck

I'm about out of ideas here. My truck was stalling out and after looking at a couple of the forums and what they've recommended, I've changed out the ECM Relay Switch, I've replaced the fuel pump, but the truck is still stalling out. I've been told that the catalytic converters can also be a cause as to why the truck is dying on me while driving.

The fuel pump primes when the ignition switch is in run. If you want to jump the fuel pump relay it will be pin 30 to 87. Viewing the fuse box from the my stated perspective places them at the top right and bottom left, or the pin holes closest to the mega fuse. Check all your grounds.If it does not turn on the fuel pump, then the problem is from the relay to the fuel pump, or the fuel pump itself. The relay is ALWAYS suspect regardless of what this test shows, as the only thing proven on the relay is that 87a is internally connected to 87. If the fuel pump doesn't come on, then 87 and 87a may be broken inside the relay.

Fuel Pump Relay - Function, Failure And Testing Procedures The fuel pump relay is activated, whenever the ignition is turned on. So, the primary function of the fuel pump relay is, to maintain a consistent voltage supply, to the fuel pump. Consequently, the fuel pump relay is usually controlled by, the ignition or powertrain control module (PCM).