strange problems
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strange problems
I picked up a 2000 excursion today and I'm finding some strange problems. The ac stays on when I turn the ignition off. The window switches are also staying hot with the ignition off. Bad ignition? Bad fuses?
Truck is a V10 if that makes any difference.
Truck is a V10 if that makes any difference.
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From: hesperia calif.
you may have a bad ignition switch, there are multible switches build into the ign switch, one may be stuck, disconnect the plug that goes into the ign switch, and see if the a/c turns off.also you could have a stuck a/c relay too, unplug the a/c relay, normally its under the hood.
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The truck can sit for hours and I can still operate the windows without turning the ignition. No other features working with the ignition off. I located the fuse for the power windows, it was very hot to the touch.
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Don't know if this helps. I had something like this myself, and after reading pretty much all I could on this site I figured it out. My front windshield was leaking and was getting the computer inside wet. Every time it rained I had a dead battery from this. Could be something like this. May not be a leaky windshield but worth a look. My radio would stay on ,but not work anytime but when in park. The heater would come on and stay on. Accessories would also. Usually until everything completely dried out. Maybe this happened enough in the past that the computer has an issue.
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Sometimes this will work:
Disconnect both of the battery cables for 45 minutes. Turn the headlights on for about 3 minutes, this should drian all power out of the system.
After 45 minutes reconnect the battery cables. You should have already turned the headlights off.
Maybe just maybe a relay was stuck or the computer had a glitch and it will reset itself.
This worked for me on a SHO I had. I never did find what was wrong that caused it but it fixed it.
Disconnect both of the battery cables for 45 minutes. Turn the headlights on for about 3 minutes, this should drian all power out of the system.
After 45 minutes reconnect the battery cables. You should have already turned the headlights off.
Maybe just maybe a relay was stuck or the computer had a glitch and it will reset itself.
This worked for me on a SHO I had. I never did find what was wrong that caused it but it fixed it.
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