Coil wire - Team Camaro Tech
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post #1 of 13 (permalink) Old Mar 29th, 10, 08:42 AM Thread Starter
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Coil wire

I cant seem to remember where the single wire off this harness goes to, the harness comes off the coil and goes to distributor and where?
It bolts to somewhere just cant remeber

1969 Camaro Convertible 427 5 Speed
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post #2 of 13 (permalink) Old Mar 29th, 10, 08:59 AM
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Re: Coil wire

I see two wires on the coil from the harness and wire in hand; where is the other end of wire in hand?

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post #3 of 13 (permalink) Old Mar 29th, 10, 09:19 AM Thread Starter
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Re: Coil wire

if you look at the plug in my hand you can see 3 wires
orange
red
black
orange/Red are attached to coil the black one has the eye hole connector on it and goes out of harness about 1/4 of the way down



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post #4 of 13 (permalink) Old Mar 29th, 10, 09:41 AM
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Re: Coil wire

I would imagine it goes to ground to ground the shield of the two coil wires.
What is the unit the harness plugs into?
Need to know so to make the correct answer.

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post #5 of 13 (permalink) Old Mar 29th, 10, 09:45 AM Thread Starter
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Re: Coil wire

The plug plugs into the MSD distributor

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post #6 of 13 (permalink) Old Mar 29th, 10, 12:51 PM
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Re: Coil wire

Is the method of holding the wire and the middle finger with the gloved hand intentional?
lol

My Spelling is not incorrect...it is creative

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post #7 of 13 (permalink) Old Mar 29th, 10, 01:10 PM Thread Starter
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Re: Coil wire

Think its a ground but not sure where.
steptoe you caught is so must have....

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post #8 of 13 (permalink) Old Apr 7th, 10, 11:41 AM Thread Starter
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Re: Coil wire

Quote:
Originally Posted by provfirescott View Post
if you look at the plug in my hand you can see 3 wires
orange
red
black
orange/Red are attached to coil the black one has the eye hole connector on it and goes out of harness about 1/4 of the way down


Ok from the harness side there is a Red and a Brown(maybe black) I have them going to:
Red to Positive coil
Brown/Black to Negative coil!

Coming from MSD distributor there is a Black an Orange and a Red.

Red to Positive Coil
Orange to Negative Coil
Black Ground

Correct?

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post #9 of 13 (permalink) Old Apr 7th, 10, 11:46 AM Thread Starter
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Re: Coil wire

Should the coil have juice to both the Neg and Pos side when key is on?

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post #10 of 13 (permalink) Old Apr 7th, 10, 12:00 PM
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Re: Coil wire

I assume that's an MSD dist not hooked to an MSD box. Mine is:

Orange - Neg on coil
Red - Pos on coil
Black - Ground

there's probably also a green wire coming off the dist which goes to tach


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Last edited by BPOS; Apr 7th, 10 at 12:26 PM.
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post #11 of 13 (permalink) Old Apr 7th, 10, 12:50 PM Thread Starter
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Re: Coil wire

Quote:
Originally Posted by BPOS View Post
I assume that's an MSD dist not hooked to an MSD box. Mine is:

Orange - Neg on coil
Red - Pos on coil
Black - Ground

there's probably also a green wire coming off the dist which goes to tach
I have it exactly like that and yes no box and car wont start
the two wires coming from firewall Red and Brown to coil and no spark
Red/Orange/Black from distributor no green

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post #12 of 13 (permalink) Old Apr 8th, 10, 04:32 PM Thread Starter
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Re: Coil wire

What Color wires(From firewall) should I have to +/- of the coil?

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post #13 of 13 (permalink) Old Apr 9th, 10, 10:58 AM
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Re: Coil wire

Originally your car used a cloth covered resistor wire from the harness to the + side of the coil. Crimped into the same connector should be a yellow wire that runs through the gutter and goes down to the starter solenoid. I think the cloth covering was originally white, but it kind of turns a dirty gray with age.

Well anyway, after all of that, you shouldn't use that wire. The MSD dist doesn't like the resistor wire. The resistor was there to protect the points, and the yellow was there to provide full batt power when cranking.

You need to use a "key on" 12V source. Some folks remove the resistor wire from the harness and splice in a non-resistor wire. My car originally came with an anti-diesel solenoid (or whatever the hell that thing was) which was a "key on" heavy gauge wire, so I use that.

Nothing from the firewall harness to the (-) side of the coil. Just the orange from your MSD harness.

Guessing that this is the dist that you have (mine is the "e-curve") and here's some info on wiring it, etc.

Hopefully you don't have the MSD dist that requires the MSD box to function.

http://www.msdignition.com/uploadedF...structions.pdf


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Last edited by BPOS; Apr 9th, 10 at 01:50 PM.
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