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2002 mercury sable problem!
02-09-2015, 02:40 AM
Post: #1
2002 mercury sable problem!
Mercury Sable GS with a 3.0 OHV engine and a axod Transmission.

Hi so I have a 2002 mercury sable and I just did an engine swap. So I drove it a mile after all the work and the flywheel broke so I dropped the sub-frame and removed the transmission. Then I got the old flywheel off and switched it. After that I got the transmission and everything back on and into place and then finally get down to the battery and went to hook it up and the horn went off so I just unhooked it. Then I hook battery back up and the car's daytime lights came on so I got into the car to start it turn the key and the windshield wipers and all that crap start so I try to start my car and I hear the starter go but not start the car. Please help I am so close to giving up on my car and I have put many hours and much money into getting it running again.
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02-09-2015, 11:36 AM
Post: #2
RE: 2002 mercury sable problem!
Time to take a deep breath and pause. Everything worked the first time so likely your issues have something to do with pulling the trany back out. I'd be looking at a pulled or pinched wiring harness first, and the possibility of wires conected to the wrong place. (although not likely these days) Also double check to see if any fuses are blown. You might be amazed at how one problem can trigger a series of events.

Let us know what you find.
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02-09-2015, 07:26 PM
Post: #3
RE: 2002 mercury sable problem!
(02-09-2015 11:36 AM)Rupe Wrote:  Time to take a deep breath and pause. Everything worked the first time so likely your issues have something to do with pulling the trany back out. I'd be looking at a pulled or pinched wiring harness first, and the possibility of wires conected to the wrong place. (although not likely these days) Also double check to see if any fuses are blown. You might be amazed at how one problem can trigger a series of events.

Let us know what you find.

So is there any tool to trace down electrical problem?
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02-09-2015, 10:31 PM
Post: #4
RE: 2002 mercury sable problem!
The most common tools are going to be your eyes, ears, and brain. You need to retrace your steps and see if you left something unpluged, pinched a wire, and that sort of thing. After all you were the last persn in there and you know exactly what you have touched and what's been left alone.

One item that comes to mind (and you didn't mention) would be if you reconnected the battery backwards or needed to jump start it with the cables reversed by accident. Something along those lines could play hell with the body control module, which is connected to all of your accessories. The only way to check that would be a full function scanner and chances are you would need to bring the car to a shop because they don't loan those out.

Something else I just thought of would be if the car has an anti-theft system causing the lights and horn to sound (also killing the ignition) that may need to be reset. This may allow it to crank but not start.

BTW, did you check to see if you bumped the wiper switch and it's actually in the on position?
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02-10-2015, 05:21 AM (This post was last modified: 02-10-2015 05:32 AM by nathaniel1995.)
Post: #5
RE: 2002 mercury sable problem!
ok so it was the battery but now the car won't stay charged, my rpm gauge quit randomly, the radio won't come on, and the wipers won't go back down. Did I fry something or what? Also it won't shift either. The radio has the face plate flashing and the headlight light is staying on. It starts when jumped but the alternator doesn't keep it charged up. Please I need my car and don't got much money left. I have been going to buddy's u pull to get my parts cause I am broke.
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02-10-2015, 11:09 AM
Post: #6
RE: 2002 mercury sable problem!
Relax and take it one step at a time. First thing is to charge the battery up so you have something to work with. Once you get it running again then check the alternator output right at the big terminal on the back of the alt. Before you actually run the engine see if you have battery voltage there. If not then you have an open circuit between the alt and the battery. (broken wire?) If you have battery voltage (roughly 12.5 volts) then see what it is running. It should be right around 14 volts. If it doesn't go up then you have a bum alternator. If it goes well over 14 volts you may also have a bum alternator and that excess voltage will burn up other things. Back to the possibility of a broken wire between the alt and the battery.... if they are not connected to each other (bat and alt) the voltage can spike well beyond 20 volts, which can damage all sorts of things.
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02-10-2015, 11:20 AM (This post was last modified: 02-10-2015 11:41 PM by Garner.)
Post: #7
RE: 2002 mercury sable problem!
Could it be as simple as a ground wire not hooked up? I see gauges not working, the radio won’t come on, and the wipers won’t go down. That all sounds like a ground problem. A bad ground would also cause the alternator not to charge. Between changing the engine and having the transmission out there were probably a lot of wires either unhooked or pulled apart. On most of the DIY projects that I have fixed I usually find the problem at the starter. (Wires not hooked up or they are hooked up but they are in the wrong place.) But with the amount of work done to this one the problem could be anywhere.

Thanks for using the forum,
Garner

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02-10-2015, 02:25 PM (This post was last modified: 02-10-2015 02:43 PM by nathaniel1995.)
Post: #8
RE: 2002 mercury sable problem!
Well last night I did the alternator test and it died so unless there is a fuse that is blow then I don't know but bum alt. So I am going to go through and test all the fuses in the car. If not the fuses the the control modules. But I can't do anything on my car til after midnight. which will make me hit the 48 hour point so no I need sleep lol.
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02-10-2015, 04:54 PM
Post: #9
RE: 2002 mercury sable problem!
Give us a hint... what were the results of the test?
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02-11-2015, 10:31 PM
Post: #10
RE: 2002 mercury sable problem!
ok so a couple fuses are blown.
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