Question about 1993 Cadillac Seville

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Hi 1994 Seville SLS 4.6.fuel pump relay. Is there any way to test

Hi 1994 Seville SLS 4.6. Is there any way to test the fuel pump relay? Car just stalled and will not start. I assume it is either the fuel pump or the relay. If the fuel pump is dead, does it sit on top of the tank? If so are there any access tricks such as drilling right above it in the trunk to avoid dropping the tank? Any way to test the fuel pump? I can not even find the gas line under the hood. Thank you

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No do not drill no holes wher the gas tank is.the bast way to drop it is to buy a syphon pump for $10 at walmart and get all the gas out. it is located on top of gas tank. to test a relay . take an old phone charger cut the end off that connects to phone wrap one wire to #86 and other to #85 on the relay terminals . it should click each time you connect the charger to terminals. if u have a multimeter use the continuity seting and check terminals 87 and 30 for continuity. it should only beep with power aplied to #86 and 85

Posted on Apr 04, 2010

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Hi I am working on my 1993 cadillac seville sls 4.9l engine. It will not start


Wow... Thats a lot of parts replacement for what may be a simple problem. The vehicle needs fuel and spark to start ( along with air and compression ).Is there spark from one or more spark plug wires when one is disconnected and held over a grounding point while the engine is cranked over? Is there fuel supply? Pressure to the fuel rail tested? Check the basics before you invest tons of money in an older vehicle

Nov 29, 2015 | Cadillac Cars & Trucks

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I am working on my 1993 cadillac seville sls with the 4.9l engine and am wondering if I can access the fuel pump threw the trunk ?


Not unless you want to cut a hole in the metal.
There is no access panel from the factory that I know of.

Nov 03, 2015 | Cadillac Cars & Trucks

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I am working on my1993cadillac seville sls with the 4.9l engine and am wanting to know what the 3 relays are that are on the outside of the fuse box on the right fender under the hood are for


One is fuel pump relay ,has pink with black stripe wire an gray wire .Another is RSS damper relay ,or could be the three cooling fan relays ,pink with white stripe power wires .There is no relay for the instrument cluster .

Oct 30, 2015 | Cadillac Cars & Trucks

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Do the 92 and 94 cadillac Seville use the same fuel pump?


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Hi,

I'm Ben and -- hopefully -- I can provide some meaningful assistance.
Sorry but the answer is no.

1991/1992 Part #REPB314517 Fits the following 1990-1992 Cadillac Seville submodels:

1991-1992: Base; 8 Cyl 4.9L; "FI, Naturally Aspirated, VIN B"
1991-1992: STS; 8 Cyl 4.9L; "FI, Naturally Aspirated, VIN B"

1994/1996 Part #E3913M Fits the following 1994-1996 Cadillac Seville submodels:

1994-1996: SLS; 8 Cyl 4.6L; "FI, Naturally Aspirated, VIN Y"
1994-1996: STS; 8 Cyl 4.6L; "FI, Naturally Aspirated, VIN 9

Jun 03, 2012 | Cars & Trucks

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Need to replace serpentine belt and idler pulley for 1994 Cadillac Seville SLS and need diagram. It's not under hood on our car. We downloaded one diagram but it was not a match.


I had same issue. 1994 Cadillac Seville SLS serp diagrams not like my engine. Found that it is the same as 1993 Cadillac STS Northstar!
Try that, it worked for me. Good Luck.

Sep 06, 2010 | 1994 Cadillac Seville

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1995 Cadillac Seville SLS stalls out


It sounds like it may be time for a new fuel filter, try replacing the fuel filter first. The filter has a life of 30,000 miles or one year, if it has not been changed, good chance that it's the fuel filter. Take not that a dirty fuel filter will make your fuel pump run hotter and will shorten the life of the fuel pump which is the more costly repair of the two. Good luck and keep me posted, Be glad to help you get your car running 100% again.

Aug 04, 2009 | 1995 Cadillac Seville

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