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Chevy Blazer GMC Jimmy Electrical Problems

607 messages,  Last post on Mar 25, 2013 at 5:45 PM

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

Messages Page 40 of 61

#391 of 607 Re: 1999 GMC Jimmy Electrical Problems [tberg765] by cardoc50

Jun 22, 2009 (2:01 pm)

Replying to: tberg765 (Jun 21, 2009 8:24 pm)
The electrical problems you describe on your Jimmy sound like a(or more) wires shorting to ground. I think you should take it to a reputable repair shop.Preferrably
a Chevrolet or GMC dealer. Ask around and find a good one. The part about it getting worse when you hit bumps almost assures me that something is shorting out.Did you buy it from a dealer or independant person? Can you contact the
person that had it before you and ask if they had problems with it? These Blazers and Jimmys have had so much go wrong in the electrical system it's almost impossible to determine the source. Sorry I can't help more but,you need to take it to a good shop because I'm sure they have ran across the same thing many times.By the way,do you want to buy a 1997 Jimmy? LOL

#392 of 607 Re: 1999 GMC Jimmy Electrical Problems [tberg765] by jlflemmons

Jun 22, 2009 (3:33 pm)

Replying to: tberg765 (Jun 21, 2009 8:24 pm)
Check the grounding from the negative side of the battery to the engine, and also to the frame/body.
 
A poor ground can also yield may bizarre symptons.

#393 of 607 Re: Fuse #15 Blows every time > 2000 GMC Jimmy 4x4 [steve_] by cardoc50

Jun 27, 2009 (6:13 am)

Replying to: steve_ (Jun 20, 2009 9:05 am)
Sorry Steve about the caps. It won't happen again.Thank you

#394 of 607 2000 jimmy problems? by chewchang

Jun 28, 2009 (8:12 am)

my alarm goes off every 2 or 3 hours.and my inside light stays on inless the dome overide swicth is pussed in,any ideas?

#396 of 607 2000 jimmy window not working by potter67

Jul 15, 2009 (11:06 am)

my drivers side window stopped working. checked fuses (ok). does not make any
sound when button is depressed. Is window motor gone. How do I trouble shoot the problem?

#397 of 607 2000 Chevy blazer rear hatch by rw2

Jul 24, 2009 (9:41 am)

2000 Chevy Blazer ZR2, power door locks, remote mirror controls & electric rear hatch release are not operating. Unable to open rear hatch/tailgate.

#398 of 607 Re: 2000 Chevy blazer rear hatch [rw2] by cardoc50

Jul 27, 2009 (5:45 am)

Replying to: rw2 (Jul 24, 2009 9:41 am)
I do know the hatch,door locks and mirrors are on the same circuit. If you have checked the accesory fuse(Ibelieve that is the one), It would be the relay. The
problems you have with those is that they draw a lot of power to operate. That's why there is a relay also and not just a fuse. If I remove the power accesory fuse,those same things do not work at all. I hope it is the fuse because I don't know exactly where the relay is. From 1995 to 2004 they made a lot of small changes. Your owners manual should help you find the relay if you find the fuse is good. I'm crossing my fingers and hoping it is the fuse. I hope this works for you and good luck.

#399 of 607 Re: 2000 Chevy blazer rear hatch [cardoc50] by rw2

Jul 27, 2009 (2:01 pm)

Replying to: cardoc50 (Jul 27, 2009 5:45 am)
I want to thank cardoc50 for this information. I was able to find the relay center which is next to the windshield washer reservoir on the drivers side engine compartment. I replaced the fuse there and hatch,door locks and mirrors are now working.

#400 of 607 Re: 2000 Chevy blazer rear hatch [rw2] by jlflemmons

Jul 27, 2009 (4:00 pm)

Replying to: rw2 (Jul 27, 2009 2:01 pm)
Glad it was just the fuse. One thing that folks don't often realize is that it isn't the electricity per se that pops the fuse. The fuse has a specific (very low) resistance, and the more current that goes through, the hotter it gets. A short circuit will cause a very fast rise in temperature in the fuse element, and 'pop goes the fuse'. I mention this because in intense summer heat, you can pop a fuse from the combination of the temperature rise caused by electrical current added to extreme underhood temperatures.
 
This was very common on the fan blower circuit used in GM back in the '60's through 80's. In the middle of a really hot summer day, the high speed would quit working on the a/c, but all the other speeds (different fuse) would work.

Messages Page 40 of 61

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