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The fuel pump relay on your 1991 DeVille is in the relay center underneath the passenger side of the dash, to access, take down the sound barrier under the right side of the dash panel (7mm). The third one from the bottom right relay position is for the fuel pump (be sure to count any vacant positions, you may not have all the accessories). However, if you just want to check if it is good, you can run a fused jumper from the positive battery post to the prime connector. The prime connector is green with a red wire (not connected to anything else), It's located underneath a cover on the firewall a few inches inboard of the right hood hinge. Cadillac Man
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∙ 15y ago
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1991 cadillac starter relay I'm looking for the starter relay for a 1991 Cadillac Deville. I found the location on a 92 but not sure if it's the same.?
Should be on top of the starter
Where is the cam sensor located on a 1991 Cadillac DeVille?
It is located inside of the distributor.
Where is the relay fuel pump 1991 Cadillac deville?
Mounted on top and inside the fuel tank.
What is the firing order for a 1991 Cadillac DeVille?
firing order for a 1991 cadillac deville
What does elrs means in Cadillac deville 1991?
what does elrs means in de cadillac deville 1991
Where is the fuel pump located on a 1991 Cadillac DeVille?
In the tank. You will have to drop the tank to get to it.
Does 1991 Cadillac deville engine fit a 1988 Cadillac deville?
yes.
Descripcion fault codes for gm and Cadillac deville 1991 4.9l?
i am trying to find out the codes for a 1991 cadillac deville
Where are the oxygen sensors located on a 1991 Cadillac deville?
The 1991 Cadillac Deville oxygen sensors are located on the firewall and the air cleaner housing. The firewall oxygen sensor will be on the drivers side. The air cleaner oxygen sensor will be on the back of the air cleaner housing.
Where is the cabin air intake on a 1991 Cadillac deville?
The cabin air filter on a 1991 Cadillac DeVille is located under and slightly behind the glove compartment. All the air which enters the cabin is filtered through it to remove most contaminants.
Is a 1990 Cadillac Eldorado starter compatible with a 1991 Cadillac deville?
Yes
How much horsepower does a 1991 Cadillac deville have?
200hp
