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Author Topic:   Duraspark II ignition help
Hell_Fish
Gearhead

Posts: 911
From: Austin, TX.
Registered: May 2002

posted 11-21-2005 10:26 PM     Click Here to See the Profile for Hell_Fish   Click Here to Email Hell_Fish     Edit/Delete Message   Reply w/Quote
I installed a Duraspark II ignition set-up on my 56 F-100. Well, its not firing. I checked for spark at the coil and it only sparks once I release the key. Any idea where I should begin to look?

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Dustin C
"The Mopar Guy!"
56 F-100
Mech. for wifes 69 Mustang coupe 302 with 69 351W heads and Offy 4bbl intake, C4, Granada disc brakes, Mach 1 springs, Boss 302 sway bar, 8" open
65 Plymouth Barracuda

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427Fastback
Gearhead

Posts: 383
From: N.Vancouver.B.C
Registered: Jan 2005

posted 11-22-2005 12:41 AM     Click Here to See the Profile for 427Fastback   Click Here to Email 427Fastback     Edit/Delete Message   Reply w/Quote
There are 2 plugs on the DS box,one plug has 2 wires.A red wire and a white wire.One wire is a run and the other is a start.Do you have them both hooked up?? Is your DS box grounded..

Cory...

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68 Fastback 427MR 4 spd.Deluxe interior,8000 tach,140 speedo,am/fm,tilt.

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Hell_Fish
Gearhead

Posts: 911
From: Austin, TX.
Registered: May 2002

posted 11-22-2005 11:37 AM     Click Here to See the Profile for Hell_Fish   Click Here to Email Hell_Fish     Edit/Delete Message   Reply w/Quote
White is to the silonoid and red to the switch. The box is grounded, but I can check it. Its bolted to the cab floor under the seat.

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Dustin C
"The Mopar Guy!"
56 F-100
Mech. for wifes 69 Mustang coupe 302 with 69 351W heads and Offy 4bbl intake, C4, Granada disc brakes, Mach 1 springs, Boss 302 sway bar, 8" open
65 Plymouth Barracuda

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Fastymz
Moderator

Posts: 21275
From: Reno Nv USA M&M#1240
Registered: Apr 2001

posted 11-22-2005 11:41 AM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
This way you can double check your wiring.

http://www.mustangsteve.com/conversion.html

http://members.cox.net/joetrojan/


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oddly obsessed with big scoops on little Mustangs

HOOD HACKERS DELIGHT!
My Pics

[This message has been edited by Fastymz (edited 11-22-2005).]

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Hell_Fish
Gearhead

Posts: 911
From: Austin, TX.
Registered: May 2002

posted 11-22-2005 02:31 PM     Click Here to See the Profile for Hell_Fish   Click Here to Email Hell_Fish     Edit/Delete Message   Reply w/Quote
I used the one from Mustang Steve. Now looking at it again, I don't have a wire from the "I" terminal on the relay. Is that just tied into the cable running to the positive post on the coil?

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Dustin C
"The Mopar Guy!"
56 F-100
Mech. for wifes 69 Mustang coupe 302 with 69 351W heads and Offy 4bbl intake, C4, Granada disc brakes, Mach 1 springs, Boss 302 sway bar, 8" open
65 Plymouth Barracuda

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Fastymz
Moderator

Posts: 21275
From: Reno Nv USA M&M#1240
Registered: Apr 2001

posted 11-22-2005 02:53 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
What coil are you using?
Did you run a full 12volts to the dura spark box?
Did you replace the dist, is it in right,or could it be 180 off?
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oddly obsessed with big scoops on little Mustangs

HOOD HACKERS DELIGHT!
My Pics

[This message has been edited by Fastymz (edited 11-22-2005).]

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Hell_Fish
Gearhead

Posts: 911
From: Austin, TX.
Registered: May 2002

posted 11-22-2005 03:20 PM     Click Here to See the Profile for Hell_Fish   Click Here to Email Hell_Fish     Edit/Delete Message   Reply w/Quote
MSD
I think so
Yes, its not the points dizzy. I installed it exactly like the points type I pulled out. Even if it was 180 out, it should fire from the coil during starting, right?

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Dustin C
"The Mopar Guy!"
56 F-100
Mech. for wifes 69 Mustang coupe 302 with 69 351W heads and Offy 4bbl intake, C4, Granada disc brakes, Mach 1 springs, Boss 302 sway bar, 8" open
65 Plymouth Barracuda

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MLariviere
Moderator

Posts: 4120
From: Biddeford,Me.USA
Registered: May 99

posted 11-22-2005 10:11 PM     Click Here to See the Profile for MLariviere   Click Here to Email MLariviere     Edit/Delete Message   Reply w/Quote
If it was 180 out it would backfire up the carb. Make sure you have a full 12v from the primary wire when you turn the key to start. Was it a new box,or used?

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Hell_Fish
Gearhead

Posts: 911
From: Austin, TX.
Registered: May 2002

posted 11-22-2005 11:31 PM     Click Here to See the Profile for Hell_Fish   Click Here to Email Hell_Fish     Edit/Delete Message   Reply w/Quote
new box, new coil, used distributor. The box is grounded as well.

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Dustin C
"The Mopar Guy!"
56 F-100
Mech. for wifes 69 Mustang coupe 302 with 69 351W heads and Offy 4bbl intake, C4, Granada disc brakes, Mach 1 springs, Boss 302 sway bar, 8" open
65 Plymouth Barracuda

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Fastymz
Moderator

Posts: 21275
From: Reno Nv USA M&M#1240
Registered: Apr 2001

posted 11-23-2005 01:54 AM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
Ok Mike so I was reaching alittle.
Go back over your wiring if it's all done right. Then you should 12 volts while cranking and in run at the coil and box. Check both of those first. If so and the coil isn't putting out a spark tr another coil.

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oddly obsessed with big scoops on little Mustangs

HOOD HACKERS DELIGHT!
My Pics

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