starting problem behind coil

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Sep 17, 2006 | 10:41 PM

juniorb_41

Thread Starter

Joined: Apr 2004

Posts: 42

starting problem behind coil

my mustang stopped running in the middle of the road and wouldnt start up again. i have fuel so i assume there is an ignition problem. i checked and i took off the high intensity wire from the distributor and put it next to the heads and got no spark from the coil. how much voltage should i have on the + side of the coil and the -(negative) side of the coil. i have electronic ignition, so how could i check that as well, eventhough i think that shouldnt have much to do with it.battery is good, turns over.

Sep 17, 2006 | 10:43 PM

juniorb_41

Thread Starter

Joined: Apr 2004

Posts: 42

RE: starting problem behind coil

also any way to just hot wire the coil so i would know it should work.

Sep 17, 2006 | 11:02 PM

Soaring

I ♥ Acer

Joined: Oct 2004

Posts: 17,565

From:

RE: starting problem behind coil

You should have up to 6 volts at the coil when you check it with a multi-meter and the engine is running. You could run a hot wire directly from the battery to the plus side of the coil to bypass the pink resistor wire.

Sep 17, 2006 | 11:15 PM

juniorb_41

Thread Starter

Joined: Apr 2004

Posts: 42

RE: starting problem behind coil

if i did that wouldnt i have a full twelve volts, which is alot more than six. now i have around seven is that bad or acceptable?

Sep 17, 2006 | 11:19 PM

Soaring

I ♥ Acer

Joined: Oct 2004

Posts: 17,565

From:

RE: starting problem behind coil

Up to twelve is acceptable.

Sep 17, 2006 | 11:24 PM

slickman

5th Gear Member

Joined: Dec 2005

Posts: 2,634

From: SC

RE: starting problem behind coil

Check you're electronics in the dizy and you should have 8 volts at the dizzy.. The ping resistor wire that feeds the coil drops it down from 12 volts to 8 volts.

Quote:

ORIGINAL: juniorb_41

my mustang stopped running in the middle of the road and wouldnt start up again. i have fuel so i assume there is an ignition problem. i checked and i took off the high intensity wire from the distributor and put it next to the heads and got no spark from the coil. how much voltage should i have on the + side of the coil and the -(negative) side of the coil. i have electronic ignition, so how could i check that as well, eventhough i think that shouldnt have much to do with it.battery is good, turns over.

Sep 17, 2006 | 11:27 PM

juniorb_41

Thread Starter

Joined: Apr 2004

Posts: 42

RE: starting problem behind coil

so i get seven at the + side of the coil and it says around 1.5 for the neagative side. than i dont get any spark out of coil, do i know coil is bad. how do i test coil as well.

Sep 17, 2006 | 11:33 PM

slickman

5th Gear Member

Joined: Dec 2005

Posts: 2,634

From: SC

RE: starting problem behind coil

If you have voltage at the coil then one of two things can be wrong. The coil is bad or the electronics in the distributor is bad. The coil is the cheapest replacement so, do that first.