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7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

       
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Old 07-21-2008, 01:36 PM   #1 (permalink)
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need help with wiring 87 truck 93 motor

hey guys I have a 1987 f-250. I got it without a motor in it. I found a 1993 ford f-250 7.3 engine along with tranny and tcase. So to make it easier to put the motor in i took the front clip off of the truck. and just left the harness on the truck. Now i never had a 1987 wiring harness for the glowplugs (engine wiring harness), but whenever i bought the 93 motor it had the engine wiring harness on it. My question is I so far need to figure out how to make the 87 harness adapt to the 93 engine harness (i know there is goign to be soem differences between the 2 harnesses and its not a direct plug in from one harness to the other. Also I need to know how to hook the positive and negitive battery cables up. I know that you hook the negitive battery cable up to the motor and frame. If i remember right you hook the positive wiring harness from the batteries down to the big post on the starter. But what wire goes from the solinoid to the starter? Anyone have a wiring diagam for a 1987 f-250? I need to know all the under the hood wiring and also the battery cable wiring so i can get it so it will turn the motor over to start it. Any help is apriciated.
thanks,
jimmy
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1993 f-250 7.3 banks turbo 3inch downpipe into 4 inch strait pipe and 4inch tailpipe comign out at 45 degree angle under bumper on passengerside. fuel cranked up Runs great!
*Current project*
1990 f-350 4x4 when bought had tons of problems and also had no tranny ot transfercase
4 speed tranny, transfercase installed, new injectors, advanced timing like it should be, new voltage regualtor, has meyers plow, new clutch master cylinder, I have wiring problems with it right now on the interior guages
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Old 07-21-2008, 02:41 PM   #2 (permalink)
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my e-mail is cheford @ lhtot . com without the spaces incase you guys need it
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1993 f-250 7.3 banks turbo 3inch downpipe into 4 inch strait pipe and 4inch tailpipe comign out at 45 degree angle under bumper on passengerside. fuel cranked up Runs great!
*Current project*
1990 f-350 4x4 when bought had tons of problems and also had no tranny ot transfercase
4 speed tranny, transfercase installed, new injectors, advanced timing like it should be, new voltage regualtor, has meyers plow, new clutch master cylinder, I have wiring problems with it right now on the interior guages
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Old 07-21-2008, 11:21 PM   #3 (permalink)
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I have an 89 truck. The battery grounds go directly to the block at the lower front areas. You will see what I'm talking about. The starter has the one large cable and one small wire that hooks up the solenoid. I'm thinking that small wire is attached to the fender solenoid on the dead side. That solenoid has a small black wire on it that is the key on wire. If you need to jump it you just pull the connecter and use a remote starter switch... I use a screwdriver... Works like redneck for me...
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89 7.3 crewcab w/ Banks Sidewinder Wastegated Turbo. 4 inch straight piped. BTS E4OD trans with 2 extra gallons of ATF in a Mag Hy-Tec pan. Gear Vendors. Rodney Red custom aluminum radiator. Moose Pump with "G' injectors. Motor rebuilt with new after market ported heads. Mahle low comp pistons milled 12 thousands. Balanced to 1/4 to 1/3 gram. Lined bored. Block decked and sleeved on all 8. Shimed oil pump for higher pressure. Intake and exhaust logs ported too. Hypermax in shop waiting to be installed later....
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