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Loss of power to fuse panel for fuel pump - 2001 Cadillac Catera

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I cant find the fuse for the fuel pump on my 1990 Plymouth Voyager. It is NOT on the fuse block on the firewall. I cant find any fuses under the hood.


The fuel pump has no fuse, it is power as described below.
The two main fuel pump power feeds involve the ASD (Auto Shut-down Relay) which disables the fuel pump, fuel injectors, ignition coil and Oxygen sensor after the loss of a signal from the distributer. The direct power circuit for the pump travels through the relay from a white fusible link which is located under the hood on the left fender panel, along with the ASD relay. The other power feed for the ASD comes from fuse #13 in the fuse block. There's a lot more involved in the operation and troubleshooting of these circuits. So please make sure your diagnosis is correct before replacing the fuel pump, and yes, you do have to remove the fuel tank

Jul 01, 2016 | Plymouth Cars & Trucks

1 Answer

Any way to test if fule pump is working on a 1992 ford f- 150?


Cycle the ignition switch --listen at fuel tank for pump

Check Fuel Pressure at motor with a gauge

Check Fuel Pump Fuse

Check Fuel Pump Relay-test it or switch it will same type

Check with amp clamp or scope- anywhere in the circuit
you can get to

Check with voltmeter for voltage drops on power side
& loss of ground on body side

Power the pump from the relay

And several other ways to go about fuel system issues

Aug 16, 2014 | Ford F-150 Cars & Trucks

1 Answer

I hive a 1990 1500 Silverado z71 off road ran good for about 3 minuets then would start to die out then die after cooled off would do same thing so I changed full pump and filter then realized there was no...


Cannot determine from the description of the problem if rewiring power to pump resolved the loss of the electrical power or not. Now when it dies, is there still a loss of electrical power? If there is still a loss of electrical power, ensure that the new wiring is connected to the 'Engine Switched' side of the power system. In other words, only when the engine is turned on, power is applied to the fuel pump. If power is good, mostly likely there is a clog in the fuel system (lines) between the pump and the fuel injectors. It doesn't necessarily mean trash was sucked out of tank, today's ethanol gas can trash a fuel system from the inside out. Being a 1990...vehicles back then were less compatible with ethanol. If pump has power and running, fuel lines may need a good flush (multiple flushes maybe to get it all). When it quits, a simple pressure test at the injectors may help determine if fuel is getting to engine. Keep it simple...walk the dog. Make sure you've got good pressure at pump, follow fuel line hand over hand to the next connection, test pressure again, keep going until you find loss of pressure. Good luck...these type of problems are not fun to troubleshoot, not difficult either, just time consuming.

Sep 27, 2013 | 1990 Chevrolet K1500

2 Answers

Electrical prblem


There would be a fuel pump fuse, either under dash or under hood. Check that fuse, use the test light to see if fuse has power. If not, then it might be a fusible link or maxi-fuse that feeds the fuse panel. If fuse has power with key on, pull the relay, and use the test light and probe relay terminals, key off. One terminal should be hot at all times. If not, check for power loss between battery and relay terminal-possibly a maxi-fuse or fuse link.
If relay does have power to terminal, quickly check other terminals while someone turns key to on-for about 2 seconds, another terminal should show power-this would be signal from computer to turn the relay on to prime the lines and fuel rail. If you have that, plug relay in and cycle key. Does relay click? If yes, relay is working and problem may be at fuel pump connector. If relay is not working, but you have power to it, and the short signal from computer is there, then check the relay's coil side ground. Computer signals the coil side and the signal goes to ground from relay coil side.
Pull the relay and use a jumper wire from relay's hot terminal to fuel pump terminal-the wire to pump from the relay. If pump comes on, the problem is right there at the relay-either no signal from computer or the relay coil's ground is lost. If pump does not come on, again check connector at pump-that or the wire to pump[ has a problem.

May 12, 2013 | 2001 GMC Savana

2 Answers

No power to fuel pump to make it work in gas tank


Have you checked the fuse/relay or the reset button (if equipped)?

Mar 03, 2011 | 1987 Nissan Pickup

1 Answer

1993 Corrolla fuel pump does not make noise. put in new pump checked realays according to manual, still no noise at fuel pump I am at a loss. Any ideas


So you replaced the fuel pump because it didn't make noise? did you check for power at the Blue/Black wire? The Circuit Opening Relay powers the pump. Make sure to check ALL the fuses. Ignition and EFI fuses? does the Check Engine ligth come on with key on? it should, did you check the EFI MAIN relay

Nov 18, 2010 | 1993 Toyota Corolla

1 Answer

2006 Ford F150. While driving periodicaly truck will jolt as if it is stalling. After a couple of seconds it will pass and driving is normal. It has happend twice over 3 weeks. I never let the tank get...


Start by checking the Fuel Pump Driver Module, which is located on the cross member above the spare tire. ( this is taken from the rear of the truck, the cable is the spare tire winch ).
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Could be the FPDM is on its way out, and you are experiencing the loss of power to the fuel pump.

The FPDM takes the input from the PCM, the Fuel Inertia switch ( passenger side kick panel ) to run the fuel pump. The fuse is Fuse #9 to the Fuel Pump Relay ( built into the fuse panel, not an easy user servicable item ) to the fuel inertia switch to the Fuel pump Driver Module ( the route for the power ).

Aug 13, 2010 | 2006 Ford F-150

1 Answer

No power to fuel pump fuse 2000 beetle . car won't start,.changed fuel pump relay . No power to either leg of fuse 28, the fuel pump fuse. Can anyone tell me where fuse #2 a 50 amp fuse is located??


Most fuel injected cars have an "impact' switch that cuts power to the uel pump in the event of an accendt. It can trigger if the car has had some sort of impact. It is usally in the rear under a panel and it should be mentioned in your owners manual.
The 50 amp fuse will be in the power ditribution panel, which should also be in the owners manual... Lee

Sep 28, 2009 | 2000 Volkswagen Beetle

2 Answers

No power at fuel pump chev.S-10 looking for fuel pump relay and fuse


The fuel pump relay is located Under hood, driver side, upper firewall, mounted in relay block.

The fuse is located under the instrument panel to the left of the steering column. The fuse block should be visible from underneath the steering column, near the pedal bracket. If the panel is not visible, check for a removable compartment door or trim panel which may be used on later models to hide the block.



Jun 03, 2009 | 1992 Chevrolet S-10

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