Getting power through my ground wire on my dizzy...why?
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Joined: Dec 2003
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From: SC, USA
Getting power through my ground wire on my dizzy...why?
like the title states...for some reason im getting power through my ground wire on my coil inside my distributor and really need a reason why...i think this is causing me not to have spark (see other post...Spark problem..) Thanks in advance
Joined: Jan 2004
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From: Kansas City, MO, USA
Re: (10seceg)
I think I've asked you this before, but , are you sure that you don't have a connection crossed up, possibly from ignitor to coil.
Also, did you check the signal to the coil from the ignitor (black/yellow wire) and from the ECU to ignitor (yellow/green wire) The pattern of the switching to ground should match on both of these circuits.
Also, check for power at the yellow/green wire at the ignitor. If it has 12 volts on it, could be bad ECU or short to power somewhere.
Also, did you check the signal to the coil from the ignitor (black/yellow wire) and from the ECU to ignitor (yellow/green wire) The pattern of the switching to ground should match on both of these circuits.
Also, check for power at the yellow/green wire at the ignitor. If it has 12 volts on it, could be bad ECU or short to power somewhere.
Thread Starter
Joined: Dec 2003
Posts: 437
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From: SC, USA
possitive i dont have a connection mixed up...ive checked and doubled checked...dotn have a bad ECU b/c ive tried getting spark w/ a different ecu ..but thats wasnt the question ...im wanting to know how/why im getting power through my ground on my coil..
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Honda-Tech Member
Joined: Nov 2000
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From: Winnetka, CA, USA
Re: Getting power through my ground wire on my dizzy...why? (10seceg)
well because you don't have a complete circuit you will have voltage on the negative side not until you complete the circuit. if I'm not mistaken the resistance on the coil is about 4-6 ohms which would not create a difference at the negative side. once the coil is grounded the voltage should drop to near zero. btw what kind of coil is this, what year dizzy.
Joined: Nov 2003
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From: ca, USA
Re: Getting power through my ground wire on my dizzy...why? (Qfactor)
the coil negative side is supposed to have a ground only when it wants to fire the coil, so if you have key on engine off there will be power going through the coil to the ground side. With an incomplete circuit (no ground from the Ignitor) there should be power.
What you need to do is put a test light in place of the coil and crank the engine, if it wants to spark, you'll get a blinking light. If you dont get it then I would suspect the ignitor.
What you need to do is put a test light in place of the coil and crank the engine, if it wants to spark, you'll get a blinking light. If you dont get it then I would suspect the ignitor.
Thread Starter
Joined: Dec 2003
Posts: 437
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From: SC, USA
Qfactor-its a 94 gsr distributor.
boostn420-Ive already put a brand new ignitor in it...thats what i thorught would be the problem but it wasnt it
And guys im running an MSD coil and ive tried to use an OEM coil but got the same results...no spark and power through the ground....
boostn420-Ive already put a brand new ignitor in it...thats what i thorught would be the problem but it wasnt it
And guys im running an MSD coil and ive tried to use an OEM coil but got the same results...no spark and power through the ground....
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