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Chevy Blazer GMC Jimmy Electrical Problems

472 messages,  Last post on Nov 19, 2009 at 4:18 PM

You are in the Chevrolet Blazer Forum. Your Hosts are steve_ & tidester

What is this discussion about? Chevrolet, GMC Jimmy, SUV


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#418 of 472
Re: 2002 Blazer - Ignition Swith, blown fuse, LED panel [steveo16] by cardoc50
Aug 14, 2009 (3:20 am)
Reply

Replying to: steveo16 (Aug 13, 2009 6:37 pm)

Hello jlflemmons,I'm going over to the Chevrolet garage today to talk to my friend
about your problem. I will let you know what he says. I tell you, I have never seen
so much electrical problems on these Blazers and Jimmys in my life. GM has 43 technical service bullitens on them and several recalls. I'll be back...
Thanks for your patience...
#419 of 472
Re: 2002 Blazer - Ignition Swith, blown fuse, LED panel [cardoc50] by jlflemmons
Aug 14, 2009 (7:24 am)
Reply

Replying to: cardoc50 (Aug 14, 2009 3:20 am)

Hey, cardoc, I assume you mean the problem steve is having. Thanks for the help.
 
I know there were major electrical issues with the 2nd generation when it came out. Sometime during this generation there were some major improvements made in the harness designs that helped. But these are still one of the early generations that had a BIG increase in complexity.
 
You want to see one that will really mess with your head? Check the door jamb switches. On my '02 2dr, there are no wires to them! The BCM has a remote sensor/switch inside the door that reads the latch, and turns on/off the interior lights accordingly. Bizarre.
#420 of 472
Re: 2002 Blazer - Ignition Swith, blown fuse, LED panel [jlflemmons] by cardoc50
Aug 14, 2009 (2:00 pm)
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Replying to: jlflemmons (Aug 14, 2009 7:24 am)

They call that up to date computerized improvements that a normal person would have to take it to the GM dealer to have fixed. They'll pull out a TSB and have it fixed in an hour and the fee? Ha Ha. I talked to my friend about your problem and he was nameing off stuff I've never heard of so I just cut it short and left. There are more sensors on these things than anything I've ever saw. The thing is,a sensor not related to a problem we might have can cause a slew of non related problems. Why
would they put that in the door to turn off the interior lamps? I thought the switch
was fine. It worked for 50 or so years! LOL. I'm going to the Ford store and trade mine in on a new Fusion. lol
#421 of 472
Re: 2002 Blazer - Ignition Swith, blown fuse, LED panel [cardoc50] by jlflemmons
Aug 14, 2009 (9:53 pm)
Reply

Replying to: cardoc50 (Aug 14, 2009 2:00 pm)

I swear the only thing I could come up with on the door switch was that they already had the hole molded in the dash endcap, and had a boatload of switches to get rid of. The first time I came across this I spent a good 15 minutes looking for the harness connector that "must have been pulled off" before I realized that all the functions were working normally without the switch connected, and then looked close enough at the harness contacts on the switch to see that they had no marks from having ever been connected.
 
Very odd, and I don't know for sure exactly what year they did this.
#422 of 472
Where is the ignition switch 97 Jimmy by cardoc50
Aug 16, 2009 (8:25 am)
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I need help. My 1997 Jimmy 4x4SLE will only start when you release the key. I crank the engine and it cranks normal but will not start until you release the key.
That means most of the time it won't start because you only have a second before
the key is on the on position. Of course the first thing I thought of is the ignition switch. It has the high output csefi engine or OBD 11 as it's called. Remember it is a 1997 year model. My question is simple...Where is the actual ignition switch on my model? I know this will sound stupid to a lot of you guys but,stupid is as stupid does! lol. Please help.The Jimmy looks brand new and I've kept it that way. I want
to drive it again. I've even let the registration run out.(no tags) Now it just sits in one side of my garage looking pretty. If you think it's not the switch, I'll surely take any
idea and look into it. "WHERE IS MY IGNITION SWITCH?" and to think I'm a retired mechanic with 38 yearts of service! I'm anxiosly waiting for a reply.Thank you so very much.
#423 of 472
Re: Where is the ignition switch 97 Jimmy [cardoc50] by cardoc50
Aug 21, 2009 (9:07 am)
Reply

Replying to: cardoc50 (Aug 16, 2009 8:25 am)

I found the ignition switch on the 97 Jimmy. Of course it's by the key switch under the steering wheel.lol I know on most Fords they use a rod connecting the key switch down the steering column to the ignition switch mounted low on the steering column. Thanks cardoc for letting yourself know where it's located! LOL I'm not only geting old but I think the word senile may fit in there somewhere.
#424 of 472
Re: Where is the ignition switch 97 Jimmy [cardoc50] by jlflemmons
Aug 21, 2009 (11:59 am)
Reply

Replying to: cardoc50 (Aug 21, 2009 9:07 am)

Sorry I didn't see this sooner, bud, I coulda helped. What you found on your Jimmy is pretty typical on GM. Did you have any trouble getting it swapped out?
#425 of 472
Re: Where is the ignition switch 97 Jimmy [jlflemmons] by cardoc50
Aug 23, 2009 (7:16 am)
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Replying to: jlflemmons (Aug 21, 2009 11:59 am)

Sorry I got you and Steve mixed up earlier. No I have'nt got to it yet. My wife's still in the hospital and I just found out my Big brother has cancer and they found it too late it's in several places and in his lymphnodes.
My Jimmy's the year where you use a screwdriver to bend the spring away from 4 notches and then remove the horn (airbag). then I can get to the steering wheel and then the switch. Guess what the switch cost? I may have you send me some money! LOL 17.69. Seventeen dollars and change. Thanks friend. I'll let you know
how it goes. I also heard it was a common problem on those vehicles.Thanks again
#426 of 472
Re: Where is the ignition switch 97 Jimmy [cardoc50] by jlflemmons
Aug 23, 2009 (8:39 pm)
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Replying to: cardoc50 (Aug 23, 2009 7:16 am)

Man, sorry to hear about your wife and brother. Seems the older we get, the more we realize our mortality. You and your family will be in my thoughts and prayers.
 
regarding the switch, you're luck you are changing the cheap switch in the column. You don't even want to know what that multifunction switch on the left costs! Would you believe $195 wholesale???!!!
 
And on a 2002 model, $265 wholesale!!! Needless to say, if anyone drives my Blazer and doesn't treat the switch with gentleness, I thwack them in the side of the head.
#427 of 472
Re: Where is the ignition switch 97 Jimmy [jlflemmons] by cardoc50
Aug 31, 2009 (4:07 pm)
Reply

Replying to: jlflemmons (Aug 23, 2009 8:39 pm)

Thanks for the prayers.Prayer changes things. You seem like a very good man.
Well,I had to change the multifunction switch over 2 years ago. Did'nt have any rear lamps. The 17 dollar switch I was reffering to was just the key switch.Come to find out the ignition switch directly under the key switch is 99.00.So I cleaned and tested the ignition switch and it is fine. I put the column back together and drove it for about an hour and everything seemed fine.I think I'll put license back on it and drive it again. My 99 cavalier is ok to drive but, it ain't no Jimmy! Thanks again for your help and concern. You are a good man. TTYL

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