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Keeps burning a fuse, then anti theft light goes on and car…

Customer Question
Keeps burning a fuse...

Keeps burning a fuse, then anti theft light goes on and car won't crank/start

Mechanic's Assistant: Have you checked the fuses? Have you tried to reset the computer?

Yes, I've replaced a 7.5 fuse twice, the car seems to work fine for a day or two then stalls to a stop and all over again

Mechanic's Assistant: What is the model/year of your Ford?

2006 fusion 3.0

Mechanic's Assistant: Are you fixing your Fusion yourself? What have you tried so far?

Ive scanned it but gives me many codes

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

The car starts, and runs fine, for a while but seems to stalll at very low speeds like when barely letting go of the brakes to roll forward

Submitted: 11 months ago.Category: Ford
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Answered in 24 minutes by:
9/13/2017
Ford Mechanic: eric remington,
 replied 11 months ago
eric remington
Category: Ford
Satisfied Customers: 1,074
Experience: mechanic/service advisor at topline auto
Verified

o​k what fuse is it? and I would record all the codes and then erase them and then drive it see what comes up first, code wise...make sense...some times the initial code or codes will cause other codes to occur so erase drive for a minute or so and recheck...and tell me what codes come up first and let me know the list that you had as well...ok?

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Customer reply replied 11 months ago
It's a 7.5, location 26 under the dash, and yes I erased all the codes, but it will take a day or two to burn it again
Customer reply replied 11 months ago
I should've written them down, bummer!
Ford Mechanic: eric remington,
 replied 11 months ago

yeah

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Customer reply replied 11 months ago
Most of them said that the car was running lean and others said hat it was running rich, and one was for the evap
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago
David Craig
David Craig, Auto Mechanic
Category: Ford
Satisfied Customers: 6,024
Experience: owner/mechanic at 3D Automotive
Verified

Hi Im David, is the fuse labeled?

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Customer reply replied 11 months ago
No, but I looked it up and it says it's the pats module
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

ok, thats why you arent starting for sure. standby

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Customer reply replied 11 months ago
I replaced it and the car runs fine for a day or two then it burns again
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

ok

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Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

let me pull a wiring diagram, standby

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Customer reply replied 11 months ago
number 26
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

you need to pull the fuse, disconnect the pats reciever and check that wire for a high resistance to ground

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Customer reply replied 11 months ago
Ok, is that done with a volt meter? And it's the ground you want me to check right?
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

yes. with a volt meter. select ohms. put one lead on the wire and the other lead to a ground

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Customer reply replied 11 months ago
Is there supposed to be a relay down there, because there is one and a lot of wires are cut off, I think someone before me tried to eliminate the pats, will send a pic, stand by
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

oh brother

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Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

no there no relay for the pats

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Customer reply replied 11 months ago
Did you see the pic?
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

yep

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Customer reply replied 11 months ago
Any suggestions now that it's no longer stock, :(
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

that doesnt look like the pats wires

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Customer reply replied 11 months ago
Let me ask you something else, could the car be trying to activate pats and on the process the car somehow tries to stall at rolling speed i.e. Less than mph
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

no mph has nothing to do with it. check the grey/orange wire for a high resistance short to ground

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Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

thats the gps?

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Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

so, youve had this car for how long and when was it paid off and did you know there was a gps on it?

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Customer reply replied 11 months ago
cheap kind, used car lots uses them when the sell a car on payments, I'm thinking they forgot to take it off and now it's blowing that fuse whenever the gps sends its signal, oh man! Also I can't seem to find the module I already took the cluster off and nothing, could it be behind the stereo?
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

standby ill get you the location

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Customer reply replied 11 months ago
I bought the car cash from a person, about a year ago, the car started hesitating and shake specially when taking off at low speeds, the scanner says the car is running both rich and lean, and that the evap is also bad, I cleared the codes then about two days later the fuse burns and everything starts all over again
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

oh yea, its part of the igintion bezel

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Customer reply replied 11 months ago
Found it, let me check that resistance
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

here

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Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

that didnt work... hmmm

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Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

ok there ya go

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Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

remember have the fuse pulled when checking fior resistance

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Customer reply replied 11 months ago
I placed the multimeter on 2000 ohms and it reads 648
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

200 the lowest setting?

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Customer reply replied 11 months ago
I don't have a better one, :(
Customer reply replied 11 months ago
What did you needed it to be?
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

thats fine. but if you have the fuse pulled and the connector off the pats and you are reading 118 ohms you have a high resistance short to ground on that wire and thats why the fuse is blowing eventually

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Customer reply replied 11 months ago
Ok, meaning?
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

meaning that wire is rubbing on something or tied into another system and it shouldnt be

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Customer reply replied 11 months ago
Does it run to the ignition switch ?
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

no. it runs fron the pats to the fuse

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Customer reply replied 11 months ago
It looks well insulated by electrical tape, I'm going to remove it all to look at the entire wire hoping to find something
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

ok, because that wire should not be reading anything to ground

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Customer reply replied 11 months ago
Good morning, I got a new multi meter and tested the cable again, it reads .000
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

good morning. ok, well since that wire reads no continuity to ground then the only thing that can be causing the eventual burning of the fuse is 1. the PATS module or 2. the power source to the other side of the fuse

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Customer reply replied 11 months ago
Oh boy! Looks like in in for more trouble ahead of me
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

im looking for the power source for you

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Customer reply replied 11 months ago
Is there a way to check if the pats is bad?
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

not without a Ford IDS scan tool

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Customer reply replied 11 months ago
Ok
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

the upstream power source isn't the issue or you would have a lot more fuses burning, so I am saying the PATS module is the issue here.

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Customer reply replied 11 months ago
Ok, but again that can only be fixed with an ids scan tool?
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

it needs replaced. only an IDS can to can read the module faults

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Customer reply replied 11 months ago
Before I go and get someone to do this, what are the other three wires for? I ask because the gps was connected to a purple and black that looks like coming from the pats
Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

purple and black is ground. they are probably are sharing the same ground. the other 2 wires are data bus wires to the instrument cluster

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Ford Mechanic: David Craig, Auto Mechanic replied 11 months ago

hows it going?

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Customer reply replied 10 months ago
Sorry for the late response, well it keeps burning the fuse, and also the check engine lit up, I checked the codes and are a lot, I'm thinking that the computer or harness is bad and somehow shorts the anti theft
Customer reply replied 10 months ago
I forgot to say that I didn't take it to the dealer, because it was expensive. I kept swapping the fuse, at least until I get some money to have it checked properly
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