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MY 1996 Lincoln Mark V111 has no fuel Pump ground car will not start unless you ground the fuel Relay to battery, body,or engine. The fuel pump relay is supposed to ground by Power Control Module (PCM) thru the Variable Load Control Module (VLCM). I REPLACE THEM BOTH

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No grounding of fuel pump in 1996 eldorado


The pump relay is grounded by the computer.
The actual pump is grounded thru the harness coming out of the tank.
The computer grounds the pump relay for three seconds when the engine is cranked and more if it sees oil pressure or RPM.
If the engine does not start, the relay gets no ground signal.

Sep 17, 2012 | 1996 Cadillac Eldorado

2 Answers

My 95 lincoln town car will be fine and then all of a sudden I can't get it to crank. I have changed the fuel pump, the fuel filter, I have sparks because I got shocked. was taught a trick of pushing...


check all your rounds on the body, behind kick panels, and in engine compartment. The relays you hear clicking are the power relay whcih turns your engine computer on. The other relay is the fuel pump relay, which is turned on by the engine computer. start there, report back.

PS. When you press the gas pedal to the floor during cranking, it shuts off the fuel supply to clear a flooded engine.

Sep 08, 2011 | 1995 Lincoln Town Car

1 Answer

I have a 1996 GMC Jimmy. Fuel pump replaced (new) and still do not here the pump kick on. Can start and runs fine if Throttle body is primed with gas. Is there a relay? where?


yes, there is a relay, probably in the engine compartment battery relay box. If the relay fails, oil pressure will allow the pump to run, so the relay is likely to be your problem.

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Oct 27, 2010 | 1996 GMC Jimmy

3 Answers

I have a 1996 yukon 4 door it wont start thought it was the pump becuase i didn't here it dropped the tank and checked it by running wires to it and it works checked the wires and there is no power spayed...


You did that the hard way
If you had a wiring diagram,you could have started anywhere in the fuel system,checking as you went,until you had no voltage drop.
You could also have found a place, to put power to the pump, without removing the tank
There is a fuse,relay in most cases,fuel pressure regulator,etc in all vehicles. Have to know where and what to test.
Your working blind with no print of a system, your not knowlegable of.

Oct 03, 2010 | 1996 GMC Yukon

2 Answers

Fuel pump continues to run after engine shut off


that should be a bad fuel pump relay its stuck change the relay and it should be fixed

Jul 26, 2010 | 1989 Lincoln Mark VII

1 Answer

Has no spark


well the easy answer is 20A ign fuse under the hood

however, lets check a few other things
1.) when you are cranking the vehicle is the check engine light on? If it is then this means that the PCM is not seeing the CKP... start searching for a loose connection at the CKP
2.) next swap the PCM power relay with the fuel pump relay and see if you get spark...if the relay is bad your vehicle still will not start because the bad fuse is now the fuel pump relay


Mar 24, 2010 | 1996 Lincoln Mark VIII

1 Answer

I have a 1992 Lincoln Mark vii lsc. Fuel pump problem!


This sounds like the PCM has taken a turn for the worst. The pcm relay sends power to the fuel relay for 2 seconds to prime the fuel system just before start up.
Then the pcm ungrouds the signal for a prove out.

Oct 22, 2009 | 1990 Lincoln Mark VII

2 Answers

Where is the fuel pump relay located on 1998 mark8 lincoln


there is no per se fuel relay. it has a ccrm. constant control relay module, its located near the air cleaner box. I presume this is for a no start condition.

Oct 10, 2009 | 1998 Lincoln Mark VIII

2 Answers

1996 lincoln towncar. No a/c compressor engagement unless jumped


the control unit is no good.i had a similar situation with a 98 tracker,and installed a switch to give it a ground for the compressor relay that comes from the a/c computer module.
it works good and goes on and off with the a/c switch.

Jul 18, 2009 | Lincoln Town Car Cars & Trucks

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