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Maintenance & Repair Electronic Gremlins: Electrical Problems That Are Driving You Crazy
1085 messages, Last post on Oct 29, 2009 at 11:41 AM
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Replying to: angelvaugn (Feb 12, 2007 3:34 pm) I don't have any electrical schematics for your vehicle, however with that many items out I would look for a larger 'upstream' fuse or fuseable link from the smaller fuses. Look to see if your manual calls out a fuseable link (either in the cabin, or engine compartment). You may have to find a set of schematics or service manual for your vehicle, if no one else chimes in to help.
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Replying to: angelvaugn (Feb 12, 2007 3:34 pm)
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Replying to: kiawah (Feb 12, 2007 3:53 pm) |
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Replying to: burdawg (Feb 13, 2007 7:14 am) |
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Replying to: angelvaugn (Feb 13, 2007 4:33 pm) I'd look first at any fusable links or larger upstream fuses, as you can visually inspect them to see if they are okay. If you don't see anything blown, you can try wiggling the key to see if any change in symptoms. Beyond that, get a set of schematics or take it to a shop where they have online manuals they can look up. Edit....Actually in re-reading your orig note, you say your brake lights and door locks don't work. The brake lights are definitely not related to the ignition switch and would be powered all the time, and door locks as well (or else you'd never be able to remotely open the doors). Back to looking for an upstream fusable link or large fuse.
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Replying to: kiawah (Feb 13, 2007 4:43 pm) |
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Replying to: kiawah (Jan 31, 2007 4:28 am) Traced it after I got a factory wiring diagram and saw that all of the failing circuits (horn, cig lighter, tail lights, dome lights) were fed via this circuit. KJ |
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With no warning, our 2002 Cadillac suddenly did absolutely nothing when the key was turned. It was as if a battery cable had been disconnected. An external jump starter was hooked up to the remote connections under the hood, and the car started surprisingly quickly. The booster battery pack was disconnected and the car was turned off. Then, just for the heck of it, I tried to start it again immediately...and it did! Everything appeared normal except that the clock had been reset to 12:00. Our mechanic checked out the electrical system and all connections, but could find nothing obvious. This is the original battery. Could there be an internal battery problem that would cause this. If so, why would an external jump start "fix" the problem?
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Replying to: jhcarver (Mar 08, 2007 9:32 am) |
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Replying to: jhcarver (Mar 08, 2007 9:32 am) |
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