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Relay switch is there a relay switch in the power supply that keep it shutting off? and if it is can you replace it?

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Check your Power management settings - either through Control Panel in Windows or go into BIOS. Set for minium or Always on. That should sort your peoblem.


Posted on Dec 13, 2007


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No power to the fuel pump

Maybe this will help ---

Also check the fuel shut off switch since you do not have power.


Jan 08, 2015 | 2002 Toyota ECHO

1 Answer

Relay switch keeps shutting off

Hello Jamie,

Do you mean the house power relay? or is there a relay on the TV? if its the TV, and it is hooked up to a multi power outlet, try connecting it directly to the wall and see if this happens.. hope i can be of help!

Jan 05, 2014 | Samsung HLN467W 46" Rear Projection HDTV

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Philips Magnavox 32MT3305 keeps shutting off with relay clicking. The green power light stays on but the picture and sound go out right after the orange status bar goes away. If the channel up or down...

the relay is the safety protective device..sometimes a defective component or something. maybe an overloaded power supply might caused this before any thing could gets worst..the relay will shut the unit..

Jul 18, 2011 | Philips 32MT3305 TV

1 Answer

Car will turn over but won't start. Through the

No noise from fuel pump when you turn over the car .First thing get voltage at fuel pump relay checked, is there 12 volt to the relay.If no, then problem is again the relay.--------- To reconfirm the problem, try other test, that is remove the relay and by pass the relay terminals with a jumper wire .Then with 12 volt external battery give power to fuel pump connector and see, if the fuel pump starts, then its clear that fuel pump relay is faulty.----------- Also other problem can be fuel pump inertia switch.If the inertia switch is faulty then also fuel pump will not start.-------- The fuel pump relay on a 1995 Ford Explorer is in the power distribution
box, in the engine compartment, driver's side near the firewall.----------
The fuel pump inertia switch is in the right front passenger area
it is below the dash but above the carpet in the right hand corner.--------
Its a push button type inertia switch.
Fuel Pump Activation
When ignition switch is turned to START position, PCM operates fuel pump relay to provide fuel for starting engine. PCM senses engine speed and shuts off fuel pump by opening ground circuit to fuel pump relay when engine stops or engine speed drops to less than 120 RPM. When ignition switch is in ON position, EEC power relay is energized (contacts closed). Power is provided to fuel pump relay and timer in PCM. Fuel pump receives power through fuel pump relay contacts.
Inertia Fuel Shutoff (IFS) Switch
All models use an electrical interrupt switch in fuel system. During a collision or vehicle rollover, electrical contacts within inertia switch open, shutting off fuel supply to electric fuel pump. Fuel supply is interrupted even when engine is running.
A reset button is located on switch assembly. If electrical circuit trips, vehicle will not restart until switch is reset. Fuel system should be inspected before resetting switch.
IFS switch is located under instrument panel, near right side of transmission hump.
----------- If the fuel pump relay, the inertia switch and fuel pump all checked ok, and fuel pump is working with direct 12 volt source to fuel pump.Then problem relates to computer.The computer (power control module, PCM) is faulty and has to be replaced.--------- This will help.Thanks.Helpmech.

Jul 17, 2011 | 1995 Ford Explorer

1 Answer

Car cranks but dose not start, there is no power to distributator or fuel pump

I suspect the at this point, the main relay is defective. This relay controls power to fuel and spark circuits.

The PGM-FI Main Relay is actually comprised of two individual internal relays. When the ignition switch is initially turned ON , the Powertrain Control Module (PCM) supplies ground to the PGM-FI Main Relay. This ground triggers one of the PGM-FI internal relays that sends battery voltage to the fuel pump for two seconds to pressurize the fuel system.
When the engine is running the PCM supplies a continuous ground to the PGM-FI Main Relay. The supplied ground keeps the relay in the "closed" position providing electrical current to the fuel pump, keeping the fuel loop pressurized while the engine runs.
If the engine is not running with the ignition on, the PCM cuts the ground to the PGM-FI Main Relay, causing the relay to "open" and stop the electric current flow to the fuel pump. As mentioned previously, if the engine is not running, the PCM will only supply ground to the PGM-FI Main Relay for two seconds when the ignition switch is initially switched to the ON position.
The PGM-FI Main Relay also supplies electrical power to the Idle Air Control (IAC) Valve and to the fuel injectors.


If the engine starts and continues to run, the PGM-FI Main Relay is working and does not need to be replaced.
  1. Locate and remove the relay.

On some models of the Civic and Civic del Sol it is located to the left of the steering column under the dash. Many later models position it either near the passenger right side kick panel under the dash or by the driver left side kick panel up under the dash.
  1. Attach the battery positive terminal to the No. 2 terminal.
  2. And the battery negative terminal to the No. 1 terminal.
  3. Check for continuity between terminal No. 5 and 4.
  4. If there is no continuity, replace the relay and retest

Aug 05, 2010 | Honda Civic Cars & Trucks

1 Answer

Realy chattering in Sony WEGA Trinitron

Hi, that is probly a capacitor in the power supply section near the relay, he failed to keep it charged
whit a good capacitor tester wizard you must be able to find and check for cracked soldering around it or directly on the relays
good luck and hope that will help you/
that is not an expensive repair;half or 1 hr time....

Mar 30, 2010 | Sony FD Trinitron WEGA KV-29LS35 29" TV

1 Answer

Mower battery keeps going dead. New battery, new ignition switch, dead in two days. My hour meter stays on even when the ignition is off, so I unplugged it, no help.

There should be a battery relay between the battery and the ignition switch. This relay activates by the keyswitch supplying a feed back to relay while in the on position, causing the relay to latch and powering up the entire electrical system. Chances are this relay has failed in the closed position causing the fuel solenoid and start relay to have power all the time, which will drain the battery in a day or two. A quick fix is to install a disconnect switch on the negative side of the battery which you can shut off when you are done with the machine. Hope this helps.

Jan 21, 2010 | John Deere 420,1020,2010,2020,2510,2520...

1 Answer

My compresser keeps on running and will not shut off. Therefore I replace the pressure switch and it still won't shut off. Do u think it is a bad switch or what this is 26 gallon and I bought it from...

It could be a bad switch, but there are a few other possibilities. Is the air supply to the switch clear? does the switch run the motor directly or does it go through a relay? If it goes through a relay, it could be stuck.

Dec 02, 2009 | Air Tools & Compressors

2 Answers

My wipers wont shut off on my 99 malibu. I


Sep 19, 2009 | 1999 Chevrolet Malibu

1 Answer

Fuel problem on my 1998 Camaro

Check for a bad connection to relay. relays shouldnt just go bad after you keep replacing them seems like it would be a bad connection for the relay and when you replace it you move the connection in the fuse panel. find wireing scehmatic just jump the power for the fuel pump directly to power and see if it works if so examine that you have power from the ignition switch and a ground to energize relay and that power is good on feed side of relay.

Oct 14, 2008 | 1998 Chevrolet Camaro

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