98' V6, 3.8 - Engine Wiring HELP!! - Ford Mustang Forum
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post #1 of 29 (permalink) Old 01-16-2006 Thread Starter
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Angry 98' V6, 3.8 - Engine Wiring HELP!!

Recently purchased a 98 Vert v6 for my g/f. This was a fixer upper so it was a bit cheap. The car originally didnt crank took it to my mechanic turned out it was the fuel pump that was bad. Replaced it and 48hrs later Car wont start AGAIN! I think it has something to do with the Wiring in it.

1.When i honk the horn it stays stuck and keeps honking until i unhook the battery.

2.The trunk release in the glove box doesnt work. BUT sometimes when i hit the car unlock button for the driver door (if the ignition is open) IT UNLOCKS THE TRUNK.

3. The lights on the Sun Visors dont work.

4. There are some plugs by the cold air intake that arent plug BUt i have NO IDEA where the hek they go to??

I looked up the fuse box diagram and it doesnt even look like the fuse box thats in the car. Im thinking they swapped it with one that doesnt belong to this car. I have attached some pictures of the fuse box and the connectors that i have no idea where they go??

Both connectors are located on the RH Passenger Fender.
Any info would help with this PHSYCO CAR!.

Thanks!
Alex
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94' Mustang Gt - Custom kandy paint, Cobra R hood, Complete Saleen Kit w/ S351 wing, Cobra upper & lower ported intake, BBK 65mm T/B, BBK Cold Air Intake, X-pipe w/ flowmaster exhaust, MSD Billet Distributor, 6A Control Box, Blaster Coil, Wires.
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post #2 of 29 (permalink) Old 01-16-2006
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Quote:
Originally Posted by ALEXX_302
Recently purchased a 98 Vert v6 for my g/f. This was a fixer upper so it was a bit cheap. The car originally didnt crank took it to my mechanic turned out it was the fuel pump that was bad. Replaced it and 48hrs later Car wont start AGAIN! I think it has something to do with the Wiring in it.

1.When i honk the horn it stays stuck and keeps honking until i unhook the battery.

2.The trunk release in the glove box doesnt work. BUT sometimes when i hit the car unlock button for the driver door (if the ignition is open) IT UNLOCKS THE TRUNK.

3. The lights on the Sun Visors dont work.

4. There are some plugs by the cold air intake that arent plug BUt i have NO IDEA where the hek they go to??

I looked up the fuse box diagram and it doesnt even look like the fuse box thats in the car. Im thinking they swapped it with one that doesnt belong to this car. I have attached some pictures of the fuse box and the connectors that i have no idea where they go??

Both connectors are located on the RH Passenger Fender.
Any info would help with this PHSYCO CAR!.

Thanks!
Alex

That's the wrong fusebox. That's the engine management stuff, the fusebox in your diagram is in the passenger compartment.

Ok, those are engine management sensors, Best guess is the TPS which should be near the intake, and the EGR sensor. How long have they been unhooked?

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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post #3 of 29 (permalink) Old 01-16-2006
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Do you have a Chiltons?

you're proabably going to need to clean the connections before you try hooking 'em up .. .

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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Im looking at the exterior fuse box. Going off of this diagram i have
http://www.mustangmods.com/data/1459...iorfusebox.jpg Let me know if this is Wrong? Thanks!

94' Mustang Gt - Custom kandy paint, Cobra R hood, Complete Saleen Kit w/ S351 wing, Cobra upper & lower ported intake, BBK 65mm T/B, BBK Cold Air Intake, X-pipe w/ flowmaster exhaust, MSD Billet Distributor, 6A Control Box, Blaster Coil, Wires.
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The plugs probably have been un-hooked for a while. The car was sitting for over 6months. But also ive noticed that the harness that plugs into the fuel rails has been tampered with of some sort. So I might just replace all the wiring harness's in the engine compartment to make sure. What years am i compatible with? 94 - 98 am i compatible with any GT's? thanks for the info.

94' Mustang Gt - Custom kandy paint, Cobra R hood, Complete Saleen Kit w/ S351 wing, Cobra upper & lower ported intake, BBK 65mm T/B, BBK Cold Air Intake, X-pipe w/ flowmaster exhaust, MSD Billet Distributor, 6A Control Box, Blaster Coil, Wires.
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post #6 of 29 (permalink) Old 01-16-2006
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It's not on th ebackside of the lid?

It looks like the fusebox in my Chiltons ..

except the little ones in the foreground. Those are different.

Ok, 1996-1998 have a differnt box.

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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post #7 of 29 (permalink) Old 01-16-2006
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Do you have a Chilton's or Haynes?

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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post #8 of 29 (permalink) Old 01-16-2006
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Starting at the top

Relays

1) not used

2) Horn

3) Starter

4) Fog Lamps

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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post #9 of 29 (permalink) Old 01-16-2006
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2nd row Maxi Fuses

1) Amber Ignition Switch 40A
2) Amber Ignition Switch 40A
3) Amber Ignition Switch 40A
4) Red Headlamps 50A
5) Yellow EEC 20A
6) lt. Blue Engine cooling fan 60A
7) Lt. green Thermactor Air Pump (4.6L only) 30A

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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3rd Row ATC Fuses

1 25A natural Power Seats
2) 20A Yellow Horn, foglamps, DRLs, Control Module
3) 25A Interior lamps
4) 25A Natural Audio
5) 20A Yellow Alternator
6) 30A lt. Green Cigal Lighter
7) 30A Circuit Breaker for Convertible Top Motor
8 60A Lt. Blue, ABS

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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There was a 1998.5 that had some wiring in common with the 1999s.

But the fuses should be described on the back cover of the fuse box.

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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The connector on the left, from Chilton's, is probably either an oxygen sensor, an AC cyclic pressure switch, or an EGR sensor

On the Right, it looks like an Idle Air Control solenoid, an EGR vacuum regulator, a secondary air injection diverter, or a SAI bypass.

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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I have the Chilton book#26608. Im thinking i should just try and get a fuse box from a 96-98 for this model. That way theres no diffrence in the fuse box? Or if anyone can confirm that the box shown on the pics is the exact same thing as the one for a 98 model.

thanks

94' Mustang Gt - Custom kandy paint, Cobra R hood, Complete Saleen Kit w/ S351 wing, Cobra upper & lower ported intake, BBK 65mm T/B, BBK Cold Air Intake, X-pipe w/ flowmaster exhaust, MSD Billet Distributor, 6A Control Box, Blaster Coil, Wires.
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Quote:
Originally Posted by ALEXX_302
I have the Chilton book#26608. Im thinking i should just try and get a fuse box from a 96-98 for this model. That way theres no diffrence in the fuse box? Or if anyone can confirm that the box shown on the pics is the exact same thing as the one for a 98 model.

thanks
It's in Chapter 6.

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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There are 3 fuseboxes

1994-1996

1997-1998

1998.5

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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