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2008 crown vic won't start
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scooterjbrown1970
Novice
Oct 29, 2012, 2:18 PM
Post #1 of 20
(16002 views)
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2008 crown vic won't start
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2008 ford crown victoria police car 4.6L
car WILL NOT start with key... all fuses and relays r good ... car WILL start (and run) using a jmpr wire @ relay or on starter...changed neutral safty swtch and PCM ... no diff.... any ideas???????
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way2old
Veteran
/ Moderator
Oct 29, 2012, 4:54 PM
Post #2 of 20
(15945 views)
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Re: 2008 crown vic won't start
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Have you checked to see if the ignition switch on the column is working and or adjusted properly?
Being way2old is why I need help from younger minds
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scooterjbrown1970
Novice
Oct 30, 2012, 6:52 AM
Post #3 of 20
(15917 views)
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Re: 2008 crown vic won't start
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yes ... checked switch starter fuses and relays ... car will start and run with key in the on position and a jumper wire either @ relay or on starter ... also checked neutral safety switch ... ?????
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 30, 2012, 7:22 AM
Post #4 of 20
(15913 views)
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Re: 2008 crown vic won't start
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Checked? What dies checked mean? Do you have power arriving and leaving the neutral switch?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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scooterjbrown1970
Novice
Oct 30, 2012, 7:29 AM
Post #5 of 20
(15908 views)
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Re: 2008 crown vic won't start
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yes sir ... power in and out of both nutrl swtch and key swtch...
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scooterjbrown1970
Novice
Oct 30, 2012, 7:41 AM
Post #6 of 20
(15900 views)
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Re: 2008 crown vic won't start
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you wouldn't happen to have a copy of the wiring diagram (schematic) for thew crank circut by any chance??????
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 30, 2012, 7:52 AM
Post #7 of 20
(15896 views)
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Re: 2008 crown vic won't start
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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scooterjbrown1970
Novice
Oct 30, 2012, 8:36 AM
Post #8 of 20
(15887 views)
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Re: 2008 crown vic won't start
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thank you thank you thank you!!!!!!! I am going down to run thru the whole thing AGAIN with the diagram and see if I missed something..... pwill let you know ..... thanks again!!
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way2old
Veteran
/ Moderator
Oct 30, 2012, 3:28 PM
Post #9 of 20
(15862 views)
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Re: 2008 crown vic won't start
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Look under the right front bumper cover at the wiring harness. We have had a lot of wires break in there where the moisture sits in a low spot. You can get to the harness without removing the cover. It is easier accessed from under the vehicle. Make sure it is safely supported.
Being way2old is why I need help from younger minds
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nickwarner
Veteran
/ Moderator
Oct 30, 2012, 5:36 PM
Post #10 of 20
(15854 views)
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Re: 2008 crown vic won't start
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Well Scooter, you found the right site for sure with this car. Hammer Time owns a shop, and you just happen to be getting advice from Way2Old who maintains an entire fleet of Crown Vic police cars. If the solution can't be found here, it can't be found.
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Discretesignals
Ultimate Carjunky
/ Moderator
Oct 30, 2012, 6:07 PM
Post #11 of 20
(15850 views)
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Re: 2008 crown vic won't start
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Hopefully it is a police car with the police package option because if it is a want-a-be police car, it has PATS.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Oct 30, 2012, 6:08 PM)
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scooterjbrown1970
Novice
Oct 31, 2012, 8:30 AM
Post #13 of 20
(15823 views)
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Re: 2008 crown vic won't start
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It is a police car I am a trustee for the sherrifs dept working on their patrol cars .... I am not sure where the harness runs under the right side of the bumper, do you mean where the fuse box harness runs under ???? ..... as for how I am testing the fuses and relays I only have a test light and visual .... no voltmeter.... i know i am missing something simple .. can't believe i can't find it.....
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 31, 2012, 10:35 AM
Post #14 of 20
(15813 views)
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Re: 2008 crown vic won't start
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Test the relay socket. You should have power all the time at pin 30 and on pin 86 when the key is held in start. If you jump pin 30 to pin 87, it should crank. Pin 85 should be constant ground.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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way2old
Veteran
/ Moderator
Oct 31, 2012, 3:30 PM
Post #15 of 20
(15796 views)
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Re: 2008 crown vic won't start
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Look under the right front where the harness comes down under the power distribution box. It hangs down and then goes back up to cross the bumper. If I remember right, the wire might be a green with a red tracer.
Being way2old is why I need help from younger minds
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 31, 2012, 3:51 PM
Post #16 of 20
(15791 views)
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Re: 2008 crown vic won't start
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I have the diagram posted above Tom. I don't see any green/red in the circuit. Which one are you looking for. There is a ltgreen/violet that feeds the ignition switch. If he tests the socket, we'll at least have a direction.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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way2old
Veteran
/ Moderator
Oct 31, 2012, 4:44 PM
Post #17 of 20
(15786 views)
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Re: 2008 crown vic won't start
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Working from memory here HT. He may be able to access it down in front of the right headlamp. There is a large wiring harness going across the front bumper. I believe there is also a brown wire there that is likely to break. I will check more at the shop tomorrow. It is just a matter of getting the wiring harness opened and looking for it.
Being way2old is why I need help from younger minds
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Kprov0kie
User
Sep 23, 2024, 2:18 PM
Post #18 of 20
(853 views)
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Re: 2008 crown vic won't start
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I realize this is a really old post, but I am having the same issue. What would I need to do to check the Relay socket? I appreciate any help on this deal. I tried jumping those two pens, 87 and 30 with the key turned on and it starts. I can also jump it from the one pen straight to the battery and it’ll start also put a new starter on because I thought maybe it was a solenoid Still no start with key. Thanks.
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 23, 2024, 2:31 PM
Post #19 of 20
(851 views)
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Re: 2008 crown vic won't start
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Buddy, this thread is 12 years old. If you need help with something, just start a new question of your own with yer, mke, model and engine size.
Please don't respond to anything older than 2 months. This question is closed now.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Kprov0kie
User
Sep 23, 2024, 3:05 PM
Post #20 of 20
(848 views)
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Re: 2008 crown vic won't start
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Well thanks anyhow. It’s same make model year as this post is why I hijacked it. Thanks anyways. Will keep plugging away.
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