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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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What is this discussion about? Electrical


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#646 of 1085
New owner of intrepid by painterdave72
Jun 06, 2006 (3:58 pm)
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Hi all i recently purchased a 94 intrepid from a little old lady.. this car is immaculate with 49k miles on it.. recently though it has been doing this thing where it dies for no reason and takes a minute or two of siting before it will start again.. it will crank and all just fine just wont start till it sits a few.. any suggestions?? Dave..
#647 of 1085
Re: electrical concerns for dodge caravan [frindge] by tentsontrucks
Jun 13, 2006 (5:02 pm)
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Replying to: frindge (Mar 14, 2006 10:35 am)

Sounds like the same problem I had a few months ago. Radio off and on. Gauges worked and dont work, AC worked stopped and worked again. About every thing in the vehicle acted up and then worked and a ton of other stuff. Thought I had grimlens. Turns out that the main serpenten belt was bad and would make contact normally at times and slipped real bad at other times. After it was replaced everything works fine. May be worth looking at. Good Luck
#648 of 1085
Gremlins in a '99 Suburban by goose249
Jun 13, 2006 (6:58 pm)
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I have an intermittent problem with my '99 Suburban. Every so often the ABS light comes on on the dash, the heater/ac/fan quits, as do the rear defroster, cruise control, and 4wd switches. Sometimes the "service 4wd" light goes on and off in the middle of this and when this happens, the transmission shifts funny (indecisively?) coming off a stop. The problem usually fixes itself in minutes, hours or days. The dealer has put it on the computer and has gone so far as to install an on-board computer for a week and it never gave a code. I've pulled a lot of the dash apart and inspected connectors and cleaned the grounds under the dash. No difference. We're leaving for the family road trip in three weeks and we can't be w/o air conditioning, at least that's what my family tells me. Any thoughts out there?
#649 of 1085
Re: '99 suburban electrical issue (wierd combination) [ronaldgdurham] by goose249
Jun 13, 2006 (7:23 pm)
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Replying to: ronaldgdurham (Sep 07, 2005 7:04 am)

sounds like we have the same issue (#648). Did you ever get yours figured out? Couldn't find anything in the replies to your messages.
#650 of 1085
Re: Gremlins in a '99 Suburban [goose249] by burdawg
Jun 14, 2006 (6:10 am)
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Replying to: goose249 (Jun 13, 2006 6:58 pm)

Possibly a worn ignition switch, causing intermittent connections for some accessories. Do you tend to have a lot of stuff hanging on the keyring when you drive? I read a technical service bulletin recently (sorry, can't remember where) that having a lot of weight hanging on the ignition switch can be hard on the contacts in the switch.
#651 of 1085
Re: Gremlins in a '99 Suburban [burdawg] by goose249
Jun 14, 2006 (3:57 pm)
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Replying to: burdawg (Jun 14, 2006 6:10 am)

I'll give that a try. I was also wondering if it could be an ECM. It used to be that I could wiggle/replace the ECM1 fuse under the hood and the problem would correct. Lately that hasn't fixed the problem
#652 of 1085
Re: Gremlins in a '99 Suburban [goose249] by 99tahoe44
Jun 17, 2006 (7:50 pm)
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Replying to: goose249 (Jun 13, 2006 6:58 pm)

Hi! I have a '99 Tahoe with the same symptoms. I already spent two full days trying to find the problem. No success. And I have the GM factory book + Snap On MT 2500 Diagnostic scanner. The only thing that I found that in the event of the ABS light coming on the 4wd light coming on and the A/C shut off it seems that these systems seem not to get any power. It this event I can't even get to the ABS and 4WD systems with the diagnostic scanner. The scanner simply says it is not connected. Once the ABS and the 4WD light is off the diagnostic scanner succesfully connects but there are not error codes stored. I started suspecting a faulty ingition switch as well (just as burdawg suggested). But I have not changed the ignition switch yet as it seems to be quite some hassale. So I'm still investigating in some other direction. Should you change the ignition switch and should it solve the problem would you please let me know. Of course if I find the problem first I will share any of my findings with you as well.
#653 of 1085
Electric Cooling Fans Running Long After Shutdown by jswan3
Jun 17, 2006 (8:07 pm)
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I just got a new 2006 Honda Accord and I have found the cooling fan or fans running long after the engine has been turned off. The first time was thursday when the fans came on about an hour and 10 minutes after shutdown and then tonight they came on briefly at 10:30 PM after the car had been parked since 12:45 PM which was almost 10 hours latter. I will be taking it in for service next week but was wondering if anyone can shed any light on this problem?
 
Thanks
#654 of 1085
Re: Gremlins in a '99 Suburban [99tahoe44] by burdawg
Jun 18, 2006 (8:44 am)
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Replying to: 99tahoe44 (Jun 17, 2006 7:50 pm)

Before doing any time consuming and expensive repairs, have you checked to see if these subsystems are getting power when they should? A factory wiring diagram would be essential for this I would think.
#655 of 1085
Re: Electric Cooling Fans Running Long After Shutdown [jswan3] by burdawg
Jun 18, 2006 (8:46 am)
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Replying to: jswan3 (Jun 17, 2006 8:07 pm)

That doesn't sound right to me. After cooling for 10 hours they surely shouldn't be on. Sounds like a faulty temperature sensor to me.

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