Question about 1993 Mazda Protege

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Relay location and also where is the ground wire for the fuel pump. im only getting 5 volts to the pump but 12 volts at the relay

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  • Mazda Master
  • 20,706 Answers

Can be shorted pump or bad wires, conn.

some cars the wires are so tiny they drop volts with a shorted pump
and dont even blow the fuse, (copper shortage)

different body styles move this ground.
but is listed in the factory FSM and at alldata.com
check current , some are 4amps, if near 10 the pump is bad.
but do read the fsm for full spec. on that. also different engines
options can change all that too.
if serious about DIY, get the books.

Posted on Oct 20, 2013

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Posted on Jan 02, 2017

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SOURCE: location fuel pump relay

try looking on the firewall under hood by the master cylinder there should be 2 relays there one of the 2 is it mine happens to be the one on right as you face the car

Posted on Feb 08, 2009

  • 77 Answers

SOURCE: electrical grounding points for a '99 mazda b2500

Remove the kick panels on either side of the cab. Most (but not all) grounding bolts inside the cab on these vehicles are green. Tie into one of these bolts.

Posted on Apr 30, 2009

  • 1 Answer

SOURCE: fuel pump relay

its in the trunk on the passanger side of the back seat

Posted on Jul 24, 2009

bikinimechan
  • 220 Answers

SOURCE: The fuel pump is not geting power . and I cant find the relay

It could very well be that your fuel pump went bad. I am more inclined to say that the in tank fuel pump would go before before the relay . But you should find the fuel pmp relay under the hood near the main fuse box, if not in it.

Posted on Dec 20, 2009

  • 4 Answers

SOURCE: need to know location of fuel pump relay

The pump is in the tank. Before you consider dropping the tank. Lift the carpet in the back seat above the tank. The older MPVs had a trap door which would access the pump with out dropping the tank. It is definitely worth a look. I changed mine in half an hour.

Posted on May 14, 2010

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1 Answer

1986 hilux fuel pump not working


First, I'm guessing your truck is fuel injected right? If so, the first thing to do would be to check the power going to the pump. The pump is in the tank (if fuel injected) if carb engine then you have a manual pump on the engine head. Some Toyota's came both ways all the way up to '89-90 models. But, locate the wires going to the pump near the tank, the 2 biggest wires will be the power wire and ground wire to pump, with volt meter have someone spin engine over while you check both wires to see if you are getting 12 volts to 1 of them.
If you are, then you have a bad pump, if you don't have 12 volts to either wire, then you will need to identify the fuel pump relay. The relay is located in a few different locations on the older model Toyota's, I'm sorry but without seeing it myself I can't pinpoint exactly where the relay is. Have you checked the relay center under the hood? Hope this helps.

Dec 10, 2013 | Toyota Cars & Trucks

1 Answer

Fuel pump not coming on,installed new one, white plug that has a yellow wire has 5 volts and ground is ok the 2 wires in the center shows 0


The plug you are referring to is probably the fuel tank pressure sender not the fuel pump. It would be plugged into a black sensor about 2 inches long pushed into a rubber grommet on the fuel bung. The fuel pump connector would have more that 2 wires going to it. most likely a heavy purple wire would be the power to the pump. It has to have 12 volts to it to work. The sender may have 3 wires, 5 volts, ground, and sense. the pump connector would have 12 volts, ground and 5 volts for the fuel gauge sender down in the tank.
If the 12 volts is not there, check the fuel pump relay. it is usually up on the drivers side firewall.
With the key in the on position without starting the engine, you should have 12 volts to the pump for 3 seconds then it will click off. Without cranking the engine you should be able to locate the relay by the clicking sound.
There is also the obvious, like checking the fuel pump fuse.

Jan 11, 2011 | 2003 Chevrolet Avalanche

1 Answer

2000 grand am. replaced relay, fuse, and fuel pump. still is not getting fuel to fuel rail. 5 volts is present at fuel pump but not 12 volts to run pump. reset passlock.....still do not have 12 volts at...


Pull the relay and make sure you have 12 volts there. Pin # 30 is the power to the pump. this will tell you which way you have to go to find a short or corrosion in the wires. let me know
Randy

Nov 27, 2010 | Pontiac Grand Am Cars & Trucks

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We replaced the fuel pump on our 2001 chey 1500 4.8 and the fuel pump still will not come on and there is power getting to the fuel pump but the fuel pump wont come on


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Oct 01, 2010 | 2001 Chevrolet Silverado 1500

3 Answers

It seems i am not getting any power to fuel pump, replaced pump still no power dont hear pump turn on at key on position check relays but not sure on good or not


Replace the oil pressure switch for the third wire on that sends 12 volts to the fuel pump upon turning the ignition key on to prime. Once oil pressure is achived the computer shuts that circuit off and turns on the fuel pump relay to power the pump till you shut off the engine

Jul 13, 2010 | 1997 Chevrolet S-10 Pickup

2 Answers

My 92 vw cabriolet is blowing the fuel pump fuse after about 5 seconds. reckon why? replaced fuel pump - no luck. cant find the proper location of the fuel pump relay. manual says (12) lower right hand...


FUSES AND RELAYS LOCATED LEFT OF THE STEERING COLUMN.YOUR FUEL PUMP WIRES IS SHORTING TO GROUND.CHECK WIRES LOOK FOR SIGNS OF RUBBING AGAINST SOMETHING.

Feb 22, 2010 | 1992 Volkswagen Cabriolet

1 Answer

Fuel pump test


check the PGM-FI relay, typically located under the dash, you can access this from underneath it is above and to the right of the brake pedal mounted to a support bar. the relays for 90's are Brown in color.
a large relay with 5 wires in the connector.
jumper the fuel positive with 12 volts. if the fuel pump wiring is operational it will operate, if not there is a problem with the wiring which could include the ground


Oct 05, 2009 | 1993 Honda Accord

1 Answer

On my 1994 plymouth voyager the 3 wire harness to fuel pump (blue wire) doesn't have 12 volts; should it? fuel pump quit then worked once when hot-wired with 12 volts. fuse and relay is good.


The wire should not be hot until the relay is triggered. The relay does not get triggered until the ignition key is turned on. It will run for 3-5 seconds or until the system pressure it at max.

Apr 26, 2009 | 1999 Plymouth Grand Voyager

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