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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van SPONSORED BY:

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  #1  
Old 10-27-2008, 08:58 PM
RDC F250 7.3 RDC F250 7.3 is offline
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Starter Relay Location???? 2003 F450 6.0

I can jump the starter under the truck, and start it. Sometimesthe key works after the truck has been running a few mins. But if I let it sit for an hour or so, I have to go under the truck and jump it at the starter.

Could the relay be doing this??

New Starter, New Batts!

Help
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1989 Ford L9000, Cummins L10 500K+ Miles
1998 Ford Expo, 5.4L -235K+ Miles-SOLD
1999 Ford F250, 7.3L -264K+ Miles-SOLD
2003 Ford F450, 6.0L -201K+ Miles
2005 Ford F150, 5.4L -158K+ Miles
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  #2  
Old 10-27-2008, 09:51 PM
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Did you check the 30 amp fuse? It's F2-113, Bottom row left hand side 2nd from the end. They are the slow blow type.... try switching it out withanother one and see if that fixes it, there is a starter relay, It's in the central junction box, up under the brake pedal area on the fire wall.
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Old 10-27-2008, 09:55 PM
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Just noticed you were asking about a 450 I not sure if it is the same as a 250
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Old 10-27-2008, 09:56 PM
RDC F250 7.3 RDC F250 7.3 is offline
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I can't see that I would have a blown fuse, It starts with the key sometimes. But I will check the starter Relay!

Central Junction Box??? Under the Hood??


Thanks EOD
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1989 Ford L9000, Cummins L10 500K+ Miles
1998 Ford Expo, 5.4L -235K+ Miles-SOLD
1999 Ford F250, 7.3L -264K+ Miles-SOLD
2003 Ford F450, 6.0L -201K+ Miles
2005 Ford F150, 5.4L -158K+ Miles
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  #5  
Old 10-27-2008, 09:57 PM
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EOD Guy EOD Guy is offline
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I Just noticed you were asking about a 450, I'm not sure it's the same as a 250
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Old 10-27-2008, 09:59 PM
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I'm not saying it's a blown fuse but a damaged one, just barely making contact some of the time. I had a simular incident with a fuel pump fuse on a gasser, I replaced the fuel pump only to find out it wasn't bad but that 90 cent fuse was....... easy check
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Old 10-27-2008, 10:04 PM
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According to the wire charts the central junction box on a 250 is located in the interior, on the firewll near the center portion on the truck
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Old 10-27-2008, 10:12 PM
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Is this for a standard or auto? Another area you might check is the clutch/netural switch ...... if it's auto try moving the gearshift lever as you try and start it (guessing here)
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Old 10-27-2008, 10:19 PM
RDC F250 7.3 RDC F250 7.3 is offline
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Auto, Relay is still my pick!
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1989 Ford L9000, Cummins L10 500K+ Miles
1998 Ford Expo, 5.4L -235K+ Miles-SOLD
1999 Ford F250, 7.3L -264K+ Miles-SOLD
2003 Ford F450, 6.0L -201K+ Miles
2005 Ford F150, 5.4L -158K+ Miles
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  #10  
Old 10-27-2008, 10:31 PM
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Cool.... Fuse, relay, netural sw, chaffing wires/loose connection...order of ease
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  #11  
Old 10-27-2008, 10:36 PM
RDC F250 7.3 RDC F250 7.3 is offline
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Fuse is good. Checked the relay, its clicking when I turn the key.
Let me step back a sec and tell you the the starter was replaced 1 week ago.
This might be in the starter or loose connection, but this will have to wait till the AM.

Thanks for your help EOD
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1989 Ford L9000, Cummins L10 500K+ Miles
1998 Ford Expo, 5.4L -235K+ Miles-SOLD
1999 Ford F250, 7.3L -264K+ Miles-SOLD
2003 Ford F450, 6.0L -201K+ Miles
2005 Ford F150, 5.4L -158K+ Miles
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Old 10-27-2008, 10:36 PM
 
 
 
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