Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

2004 Lincoln ls

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3 years 10 months ago #40528 by Kyle
2004 Lincoln ls was created by Kyle
I just bought a 2004 Lincoln ls. Everything comes on when I turn the key buy the starter dont do anything. The starter relay fuse don't have power going to it. The fuse is good but the slot just don't have power going to it and neither does the starter. And advice on where to start looking?

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3 years 10 months ago #40531 by Tyler
Replied by Tyler on topic 2004 Lincoln ls
Which engine is in your LS?

Which fuse has no power to it? F1.21?

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3 years 10 months ago #40534 by Hardtopdr2
Replied by Hardtopdr2 on topic 2004 Lincoln ls
Check the starter relay if your car has one. You should have two power pins one is on only in crank the other should be on with key in on position.

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3 years 10 months ago - 3 years 10 months ago #40538 by John Curtis
Replied by John Curtis on topic 2004 Lincoln ls
How are you testing? With a multimeter? With a test light?
Try placing the vehicle into neutral and try to start it.

There are two fuses that are in the starter circuit. One is hot at all times the other is hot during start (very important to test with key in start position)
Here’s a diagram.
Making Pressure Differential Sensors (PDA Sensors) for pressure pulse diagnostics.
Currently servicing Central Texas.
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Last edit: 3 years 10 months ago by John Curtis.

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3 years 10 months ago #40544 by Kyle
Replied by Kyle on topic 2004 Lincoln ls
It's the 3.9 V8. It's F1 that has no power with the key on

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3 years 10 months ago #40545 by Kyle
Replied by Kyle on topic 2004 Lincoln ls
I've been testing with the test light. I put it on the starter itself and it doesn't have power on either post of the solenoid.

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3 years 10 months ago #40546 by Hardtopdr2
Replied by Hardtopdr2 on topic 2004 Lincoln ls
So f1 fuse that is thirty amp. Has no power on either side of fuse correct. If that's the case you need to chase the circuit back to see if the wire is broken or what not. If power on one side of fuse then fuse is blown and you just need to find out why it blew to begin with.

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3 years 10 months ago #40552 by John Curtis
Replied by John Curtis on topic 2004 Lincoln ls
How is the battery and connections directly at the battery???
I’d go after the power feed to the junction box first. Do you have a multimeter? Id be testing for both voltage, and voltage drop. I’m thinking the car may have been jump started backward if the battery has juice.
Making Pressure Differential Sensors (PDA Sensors) for pressure pulse diagnostics.
Currently servicing Central Texas.
Attachments:

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3 years 10 months ago #40555 by Tyler
Replied by Tyler on topic 2004 Lincoln ls
I agree with John Curtis. If you have no power at the main cable at the starter, then F1.21 is just a symptom of the problem.

A DMM would be preferred at this point, since we're fairly confident you have a voltage drop.

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