Question about 2000 GMC Safari

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Ignition coil on 2000 gmc safari glows then cracks when raining or even with spray bottle

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Replace the coil and the wire set.

Posted on Mar 17, 2011

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It has a crack in it and needs replaced, if it is still working replace it before it quits and you get stranded.

Posted on Mar 17, 2011

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3 Answers

Why chevy blazer won t start after it rains ?


Its a possibility, that you can have a bad coil pack. start the vehicle, and spray the coils with a mist of water, from a spray bottle. If bad you see a spark. The coil pack is cracked somewhere.Meaning it was not water tight. It should be. Good-Day!

Sep 01, 2014 | 2003 Chevrolet Blazer

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1999 Suburban 5.7L Misfires when it rains.


Did you change the plug wires?A good way to find an ignition problem is to take a spray bottle with water and spray your engine.This will show up bad wires or ignition arcing in the dark.Try spraying the coil also.Hope this helps.Good luck.

Dec 05, 2011 | 1999 GMC Suburban

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My jimmy wont start when it rains as soon as it stops raining and dries out it starts ireplaced cap and roter 3 times and keep getting the same out come


What you can do is put water in a spray bottle and spray the plug wires and coil down and see if it will act up.Hope this helps.Good luck.

Mar 15, 2010 | 2000 GMC Jimmy

2 Answers

2000 ford windstar wont run after or during rain


moisture affecting something,first check the plug wires at night ,put water in a spray bottle like a windex bottle,
have vehicle running and spray a mist on the wires,if they are leaking spark it will light up like a little city under the hood.next is mist the cap and coil to see if the
the engine dies

Nov 21, 2009 | 2000 Ford Windstar

2 Answers

Every time it rains my van wont start. next day its ok. what could i do to fix? its a 1993 gmc rally g-3500 van


check the ignition coil for spark or cracking noise there might be a crack in the casing .....do the same for the distributor cap. If you cant seem to see the problem take a water bottle and spray around your engine whiles its in idle and listen to see if the engine sounds different ....but only spray one part at a time.

Oct 24, 2009 | 1993 GMC Rally

1 Answer

After it rains my van doesn't want to start


it could possibly be defection ignition coil or ignition wires arching when the weather is damp outside. Remove the doghose and while the engine is running, spray the ignition wires and coils and see if you can hear or see the arching wires.

Jul 16, 2009 | 2000 GMC Safari

3 Answers

97 safari won't start when wet, after it rains the van will not start, fuel pump is new, seems like no spark, let dry for couple of days and it runs like normal


Had same exact problem, it was a bad coil. I could not duplicate "no start" problem with water bottle. Replaced coil and problem gone.
Note: There was a noticeable engine misfire at highway speeds on humid days. This accompanied the no start problem.

Jun 19, 2009 | 2000 GMC Safari

2 Answers

Gmc safari van cranks over, but will not fire up or start.Have tried starter fluid and still no start. Has plenty of crank,but no start


I had the same problem with my 2000 GMC Safari two years ago....drove me CRAZY!

Sometimes it would start right up...other times it just would crank and not start.

It turned out to be a cracked coil....I found it by using a spray bottle with water in it, and "misting" the engine, at night....with the engine running. (On a night when it DID start!)

It took a while, but finally the hairline crack let in some water and the electrical short showed by a spark coming out of the coil.

I replaced the coil with a new one, and it has never "not started" since.

Evidently the coil cover gets brittle and develops small, hairline cracks due to heat from the engine.

Oh...by the way....I tested the coil it showed that it was fine!....but it took the "misting" at night...in the dark...to find the spark "leaking" out.

Mar 08, 2009 | 2000 GMC Safari

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