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Discussing 4cyl conversion wont start in the 5.0 Mustangs Forum. trying to finish my 4cyl conversion and it wont start... not even cranking over... im ...

       

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Old October 17th, 2009, 08:32 PM   #1
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4cyl conversion wont start


trying to finish my 4cyl conversion and it wont start... not even cranking over... im getting spark to the starter solenoid i know for sure but nothing cranks... any ideas?
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Old October 17th, 2009, 08:43 PM   #2
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auto or manual?
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Old October 17th, 2009, 08:43 PM   #3
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T5
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Old October 17th, 2009, 08:49 PM   #4
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Did you check you neutral safety switch? Is starter good? Ground?
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Old October 17th, 2009, 08:51 PM   #5
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what ground are you talking about?
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Old October 17th, 2009, 09:01 PM   #6
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The ground on the starter relay harness. The main ground on block. Did you try yo cross over solenoid?
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Old October 17th, 2009, 09:03 PM   #7
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do you have a picture... i dont have it connected on my block
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Old October 17th, 2009, 09:05 PM   #8
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let me see if i can find one
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Old October 17th, 2009, 09:07 PM   #9
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how do i cross over my solenoid?
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Old October 17th, 2009, 09:09 PM   #10
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Sorry no pic some where near the battery there should be a little single black wire that has a quick disconnect style harness connector. That is what grounds the ignition.
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Old October 17th, 2009, 09:12 PM   #11
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pull the small push on connector (small red/blue wire) off the starter solenoid (Looks like it is stuck on a screw). Then jump between the screw and the terminal that is connected to the battery. If it starts, the relay is good and your problem is in the rest of the circuit.
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Old October 17th, 2009, 09:14 PM   #12
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To jump the solenoid use a jumper from the big terminal (from the battery) to the little terminal.
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Old October 17th, 2009, 09:28 PM   #13
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well my ground might be bad because i did a battery trunk relocate and i grounded to the body... what do you think?
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Old October 17th, 2009, 10:00 PM   #14
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Def a possabilty
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Old October 17th, 2009, 10:02 PM   #15
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i also have a 3g alt... and i did it the with out the new harness just cut my old one... is there wires that should ground from the alternator or not?
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Old October 17th, 2009, 10:04 PM   #16
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There is one ground which runs off that harness not positive if thats the one
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Old October 18th, 2009, 09:22 AM   #17
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You say you have a ground from the battery to the body but do you have a ground from the frame to the block or to one of the starter bolts? These cables should be large gauge just like the pos. cable.
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Old October 18th, 2009, 08:15 PM   #18
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Originally Posted by badshoe View Post
You say you have a ground from the battery to the body but do you have a ground from the frame to the block or to one of the starter bolts? These cables should be large gauge just like the pos. cable.
i made a small ground and she fired but burnt out the 10G wire... my heart is pumping so hard right now... good call on that! now i need to find my keys and i could go buy a cable
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Old October 18th, 2009, 10:10 PM   #19
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Hi Joe, understand that whether the battery is under the hood or in the trunk, the engine must have a high current ground for the starter motor. Without a big cable from the battery to the engine (or from engine to frame then frame to battery) the current will find it's own ground. Maybe through the throttle cable, speedo cable or shifter and driveshaft. Therefore if you find that the gas pedal or shifter is hard to move, there way have been some arcing inside those cable housings. Hopefully everything is fine and you'll be on the road soon.
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Old October 19th, 2009, 10:21 PM   #20
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Originally Posted by badshoe View Post
Hi Joe, understand that whether the battery is under the hood or in the trunk, the engine must have a high current ground for the starter motor. Without a big cable from the battery to the engine (or from engine to frame then frame to battery) the current will find it's own ground. Maybe through the throttle cable, speedo cable or shifter and driveshaft. Therefore if you find that the gas pedal or shifter is hard to move, there way have been some arcing inside those cable housings. Hopefully everything is fine and you'll be on the road soon.
well i grounded the cable and went to start it and it has trouble starting and at idle... thought it might be the gas then went to start it again and i was told a "spark" came from the right side of the engine bay! ( passenger side ) and now it wont start! just the same clicking sound, this is frustrating!
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