Question about 2005 Suzuki Boulevard C50

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2005 c50t fuel pump does not turn on and it will not crank. it has brand new battiery tested at 12 volts.

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  • dleddins Mar 20, 2011

    some what.



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Ignition switch sounds like the fault of your problem
check the wiring for that

Posted on Mar 20, 2011


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2000 chevy impala

you should have volts with key on at the pump but it only will show 12 volts for a few seconds as the relay will only stay energized when cranking so if you have 12 volts and fuel pump still does not run check the ground if the pump is good and you have a ground and you have 12 volts pump should work make sure the connector on the sending unit is not corroded or burnt

Sep 01, 2014 | 2000 Chevrolet Impala

1 Answer

How do you check to see if you 12 volts at the fuel

Go under the truck and reach up and release the latch for the fuel pump connector and gently remove the connector, then with a 12 volt probe test light (avail from any auto parts store for $4) hooked up probe the fuel pump connector wires as someone turns the key on and then off repeatedly, one of the wires will light the test light and then after a second the test light will go off or have a friend crank the engine like you are attempting to start it and the light will stay lighted in the test light handle as long as the engine is being cranked over. I think you will likely find that the fuel pump is the problem and not the 12 volts supply circuit to it.

Oct 15, 2012 | 1998 Dodge Dakota

1 Answer

Car won't start

U might have 12 volts but no cranking amps try a jump start

Sep 20, 2012 | 2005 Chrysler Sebring Conv

1 Answer

2005 Suzuki boulevard c50t.......Fuel pump will not start when key is turned on....checked fuses and they are good . Is there another fuse for just the fuel pump somewhere?

i have same problem and tested all the way to the pump it turns out that it is the fuel pump regulator. the regulator is attached to the pump directly and it sticks. unfortunatly you can't replace just the regulator have to replace the whole pump which is in the tank

Apr 16, 2011 | 2005 Suzuki Boulevard C50

1 Answer

How to check electrical problems whit the fuel pump

first turn the key on and listen for the fuel pump to come on for 15 sec.this is to prime the system before you crank the sound,with only a rubber mallet( no metal hammers )hit the bottom of the gas tank,no fuel pump operating go to the fuel pump relay and remove then test for (2) 12 volt power supplies with key on,if ok check ground at relay if okay remove gas from tank and drop gas tank to check for voltage at pump.replace pump if 12 volts is present.

Oct 23, 2009 | 1996 Chevrolet Cavalier

1 Answer

2006 C50T fuel pump

If anything is gummed up ... it would be injectors (if appropriate) or carb. I think id concentrate on cleaning the carb. Get fresh gas in the tank if you didnt already. Dont burn the starter up! Maybe shoot a little raw gas into the spart plug hole ... replace the plug ... see what happens.

Let me know how you make out please.


Oct 10, 2009 | 2005 Suzuki Boulevard C50T

1 Answer

Fuel pump replace /swap out and voltge testing

the only time you have 12 vdc is when u crank the engine. Maybe the fuel pump relay is faulty the coil for the relay is not strong enough to hold the contacts, try swapping or changing a new relay,

Jul 27, 2009 | 1999 Pontiac Montana

1 Answer

1990 DEVILLE. Posted 6-14. New BCM, new fuel pump, new relay, still no fuel. Have tested wires, I get a brief 12 volts to grey wire on connector to fuel pump when key is turned on, then nothing. I can hear...

That is correct for initial prime,then fuel pump works off of crank sensor.Fuel pump is ussually controlled through ECM not Bcm.Have you checked for fuel preasure when you first turn on key,

Jun 15, 2009 | 1991 Cadillac DeVille

2 Answers


Test for proper fuel pressure with a test gauge on the fuel rail, most throttle body injection cars (TBI) are between 13 psi and 17 psi. and most (DPI) direct port inject systems are between 40 psi and 55 psi. If no or little fuel pressure is observed and there is 12 volt power present at the fuel pump, the fuel pump has failed and needs replacing.

Jun 27, 2008 | 1995 Nissan Maxima

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