Puzzled with my 94 Bronco!!!!

[trigger4x4]

Had problems with my 94 Bronco ever since I jumped a person with a Diesel F250. Was not starting at times and doing wierd things. I replaced my battery, relay, starter, alternator, coil, distribitor cap and rotor, spark plugs and wires and replaced wiring harness from battery to relay and starter.

My Bronco fires up everytime now with no problems. But now my voltage guage is low, it starts at about 10 volts or so and as I am driving, after about 10 miles or so my guage goes down. All the way down to where my speedometer goes out, and then my transmission starts slipping and then the throttle response goes and then when I turn it off, obviously it isnt going to start. Charge battery again, and it starts all over. I replaced the alternator with another. This time a 130 amp instead of the stock 95 amp. Same thing is going on.

Do I have something hooked up wrong at the relay? The harness that I bought came from a guy on Ebay that sells harnesses that came off the late 90's Police Broncos. The guage is bigger and it was different from the stock one. Instead of the split at the positive terminal that goes to the starter and the side of the relay. It has me coming off the battery to the side of the realy (one wire) and another wire that is seperate used to hook up to the starter and then run up to the same side of the relay where the battery wire hooks to. Same side. And then there is the small wire that is also seperate that runs from the starter to the other side of the relay. All the wires that come off the alternator run to the side of the relay where the battery, and big starter wire is. Ground is ran to engine block and small ground is ran to fender well.

What am I doing wrong? Or is this harness not right?

Also I checked for codes to the computer at the very very beginning of all of this and found no errors. I do have a backup computer. But did not put that in.

 

[Big Country]

Woah! Sounds like it could be the harness. The alternator is not charging the battery so something is obviously wrong with how it is hooked up. I would start there. Do you still have the old harness?

 

[trigger4x4]

On the solenoid I have the cables coming from the alternator, big cable from starter, and positive from battery going to the right side. And the small cable from the starter going to the left. And the tiny wire with L shaped boot that just plugs on threaded post at the top. What I am puzzled at is that the original harness had two cables split coming off the positive battery lug. One went to right side of solenoid and the other I couldn't see because it was snaked with others. What was that cables purpose? Where does it go? I cut it out when replacing and left that part of the snake there because it had other cables going somewhere else and now I dont and cant know. The harness was badly corroded and had broken at the starter end. That is why I changed it along with the other parts at the time. Plus I didn't think it was gonna matter being that I had the other harness and was told that it was stock on a 94 Bronco.

I have also found that I cant get this harness. Autozone, and even my Ford dealer told me that it has been discontinued. There's gotta be something simple that I am missing. And I think it is that split off the positive lug. If I ran another lead off of that positive side I dont know where to run it to.

 

[mbtech2003]

check this pic out. i think u will find the fuse-link burnt out

 

[trigger4x4]

I ended up ordering a new cable. The part for 94,95 and 96 Broncos is discontinued. On Rockauto.com they have every battery harness for all Fords and you can match the motorcraft # with their OE #. I found Motorcraft #WC9071, which is for a 94 F150 5.0L. I got it today and Im gonna install it and let you know what happens. This harness is different from what I got from Ebay. The battery is in between the starter and solenoid with big cable. The Ebay had one cable going to solenoid. Then you have two cables, big and small to run from starter to solenoid.

Hope this was the problem.

 

[trigger4x4]

Wellp that was not the problem. It is still reading low on my voltage dash guage and will run out while driving down the road. I checked the harness from the alternator and there is continuity. I changed the battery one last time and still not the problem. I dont know what else to do.

I looked all over throughout and could not find this fuse. But if it was blown, wherever it is, how could I get continuity from alternator to solenoid?

 

[Justbust1n]

Wellp that was not the problem. It is still reading low on my voltage dash guage and will run out while driving down the road. I checked the harness from the alternator and there is continuity. I changed the battery one last time and still not the problem. I dont know what else to do.

I looked all over throughout and could not find this fuse. But if it was blown, wherever it is, how could I get continuity from alternator to solenoid?

what kinda mods do you have on the bronco because if you have the preformance pulleys for it , i had that problem to it causes your alternator not to charge at its full capicity and i would go back and make sure all of your wires are not exposed in anyplaces and you ground has to be grounded good or it will **** THE BATTERY or if you have something like extra light or a bumpin system if there grounds arent right you will drain the battery fast if you dont have the pulleys it sounds deffinatly like a bad ground thats probably why he sold it on ebay also check the starter ground and use a straight 4 gauge wire from the starter to the battery advance or auto zone has them then use the old wire from the silenoid to the starterand it shuld mount to the side of the battery post on the ***** and then before you do that take the whole post off of the wire themselfs on the postive side and recut and skin it the one from the sileniod and make sure you have alot to rescrew your post to it and make sure its tight and clean no battery build upnow this should give you a new start if you havent already did this ...lol but seriously make sure everything is grounded right it sounds like something that has happend to my friend a while back and we just got him a straight wire from the starter to the batter and bolted it to the side hope this works