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1999 Saturn SC2, Ignition Fuse Blowing on Start


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sftak
New User

Dec 7, 2013, 3:27 AM

Post #1 of 12 (2398 views)
1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

A few days ago I started up my 1999 Saturn SC2.. and after about 1 second, the radio powers down, then the engine stopped running as well. I could not get it to start again.. until I switched out the Ignition 3 fuse, then it started again.

Today I drove it to the supermarket and went shopping, when I went back to start it up and go home, it started up and once again the engine shut off by itself again after a few seconds.

I replaced the fuse with a spare about 3 times, it blew out every time after trying to start the car. Had to get a tow home.

Any ideas on how to diagnose/fix the issue?


Hammer Time
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Dec 7, 2013, 5:29 AM

Post #2 of 12 (2385 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

This fuse powers the ignition switch which goes on to power many other things, any one of which can be the cause of the overloaded circuit. You will have to isolate these things until you can determine which one is the cause.










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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Discretesignals
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Dec 7, 2013, 6:50 AM

Post #3 of 12 (2383 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

You could put a circuit breaker in there for diagnosis, so you don't have to buy a bunch of fuses. Does the fuse blow if you have the ignition in the run position without the engine running?





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(This post was edited by Discretesignals on Dec 7, 2013, 6:57 AM)


sftak
New User

Dec 7, 2013, 12:58 PM

Post #4 of 12 (2367 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

@Hammer Time: Much of that diagram is nearly indecipherable, could you tell me what I'm looking at so I can try to find a better copy?

@Discretesignals: Not that I can tell at the moment, but it has only happened with the engine running so far. It has blown 4 times, each time was with the engine running or in the process of turning over. It has always happened within about 1-5 seconds after turning the key to start the car, or not at all.


(This post was edited by sftak on Dec 7, 2013, 1:04 PM)


Hammer Time
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Dec 7, 2013, 1:27 PM

Post #5 of 12 (2359 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

There are no better diagrams than that. That is the factory release that we pay good money for.

Here it is in Mitchell form









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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
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Dec 7, 2013, 2:08 PM

Post #6 of 12 (2355 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

Eyesight impaired for close ups. Blew that up to 400% and still smudgy in my view. 700X863 pixels shows as its definition which should be enough?? No geek but sometimes a good printer clears them up or not?? IDK - too many different devices to know what ones could do what.

Keep trying........... Tom



DanD
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Dec 8, 2013, 7:57 AM

Post #7 of 12 (2330 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

Hammer there's nothing wrong with the wiring diagrams that you post; they're the same ones I use.
What I've found here is that if we post them to fit the "normal" screen, they're to small for the recipient to read.
I usually play with the image size and use the preview making sure the diagram is legible.
I'm not knocking what you're doing it takes time to look up these things and post them; but we may as well make them so they are usable.
Please don't take offence here HT; you are a very large contributor here I just wanted to make you aware that we cannot make out some of your diagrams that you post. Case in point the old Ford diagrams.

Sent with respect.
Dan.

Canadian "EH"






Hammer Time
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Dec 8, 2013, 8:04 AM

Post #8 of 12 (2326 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

No problem. No offense taken. I think the big problem here is either the site or Photobucket reduces the size. Most of these are large enough to read when I upload them but get reduced when posted for some reason.

The following image was fully zoomed before uploading.






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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Hammer Time
Ultimate Carjunky / Moderator
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Dec 8, 2013, 8:06 AM

Post #9 of 12 (2325 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

That seemed to do OK but most of the time if I do that they will extend right off the side of the page and make the whole thread hard to read.


It's usually better if the OP downloads the picture and then enlarges it.

In the case of the old ford diagrams, there really wasn't any other way to do that. They were in PDF format and included the entire vehicle so the only way to make them easy to read would be to double their already large size. It's pretty much impossible to get something like that into a forum.

I can send that OP the original PDF through a PM if necessary.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Dec 8, 2013, 8:11 AM)


Tom Greenleaf
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Dec 8, 2013, 8:15 AM

Post #10 of 12 (2321 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

That one showed and didn't cause it to go off screen in my view. Who knows what devices see what or what size the photo hosts might do to them?

Tom


DanD
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Dec 9, 2013, 4:48 AM

Post #11 of 12 (2304 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

Wink @HT

There's probably better ways of doing this; but this is how I deal with PDF files. I print them off, scan them to a folder which makes them IMG file. From there I go to paint and resize them add notes and highlights. After that it's the normal up-load to the forum.
If by chance it has to be that big to cause the thread width to enlarge so be it as long as the image we post is usable. There must be a way to convert PDF to JPEG but I don't know how to do it?
Dan.

Canadian "EH"






Hammer Time
Ultimate Carjunky / Moderator
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Dec 9, 2013, 5:13 AM

Post #12 of 12 (2300 views)
Re: 1999 Saturn SC2, Ignition Fuse Blowing on Start Sign In

I have lots of easier ways to convert things but the bottom line is that if the diagram is so congested that it requires us to enlarge it that much to read it that it runs off the page, then the OP is going to have to download it and enlarge it themselves. There is only so much that can be done in the forum. PDF files can easily be transferred in their original format through PM. That way they can be enlarged and easily read within Adobe reader program by the OP.

I have programs to capture and re-size anything on the screen and then save it in any format I choose but it won't do a bit of good if it has to be excessively re-sized to easily read. The OP is going to have to take it from there.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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