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| 1994½ to 1997 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped F-Series and F-Super Duty. |
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#1
Sun, November 15th, 2009, 09:44 AM
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YES, that's where I would start
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DJ Phoenix (my modded) Hi-1200/240Tow/75FS/80DD/100/140SS +Minotaur ASE Master Auto Technician  2001 Ford Excursion 7.3 4x4 Projects. 1970's Hustler and Max II Amphibious ATV's 
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#2
Sun, November 15th, 2009, 01:43 PM
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The PCM has a couple grounds but most notably the one on the driver's side fender near the hinge spring.
I'd try turning on the key, turning it off, then turning it on again within about 2 seconds. That will give us some ideas.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years. Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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#3
Sun, November 15th, 2009, 04:37 PM
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ook! so.. grounds are good I think..
had a check engine light finally, this is just as I turn the key.. I get the Wait to start every thing else But a check engine light too so Im hearing ticking sounds from the underhood fuse box.. and its Relay 2 which is the IDM relay.. unplug that every thing is fine, no CEL no weird door ding sounds, but didn't try to crank it over.. What could this mean..? a bad IDM? Me and my buddy did the IDM mod (his soldering skills) could something have gone wrong..? should I pop the stock IDM back in..? Seems like some gremlins are playing tricks wid me... 
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#6
Sun, November 15th, 2009, 08:16 PM
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so with further cleaning of all the terminals on the batterys, Reconnect um I hop back in and get full power Wait to start, Fuel, ABS etc
Try and crank over, Nothing just a click, Then no power again Cleaned all fuses/relays .. I Hate electrical stuff with a passion! 
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#7
Sun, November 15th, 2009, 09:01 PM
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So you have power than attempt to start and loose all power? Classic voltage drop, trace out all you big cables and see where they go and check them for looseness. Should be able to find your problem right away. You could also have a buddy hold the key in the "start" position and systematically wiggle you cables untill you restore power. BE CAREFULL keep all of your limbs and loose clothing away from moving parts!
Good Luck
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