Durespark Conversion
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Senior User
Joined: May 2008
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From: Lupton, Mi
Durespark Conversion
I have a dist., coil, and ing mod. out of an early 80 truck for my 86. I ahve looked but found nothing about wiring it up for the colors i have.
Coil:
Red
Green
Dist:
Purple
Orange
Black
Mod:
Red/Blue strip
While/Blue dotted strip
Purple
Light Orange
Tealish green
Black/Green dotted
How do I wire this thing up?
Thanks
Coil:
Red
Green
Dist:
Purple
Orange
Black
Mod:
Red/Blue strip
While/Blue dotted strip
Purple
Light Orange
Tealish green
Black/Green dotted
How do I wire this thing up?
Thanks
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Maybe you should just get the blue grommet DS box that goes with that setup?
Does this help?
Duraspark II
Does this help?
Duraspark II
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Senior User
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From: Lupton, Mi
that helped but i'm getting no spark. I noticed that a ballast resister is needed after the coil. I used an extsting one that was on my factory harness.... a green wire with a brown box thing on it. I ahve everything wired.... so I think the mod i got at the junk yard was bad.
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Senior User
Joined: May 2008
Posts: 105
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From: Lupton, Mi
that diagram ^ also helped alot but I still am not getting any spark. i had the modgual tested and its good. If i can't get this to work i'll just scrap the thing and buy me a chevy as I have never had any luck with fords.
any last ideas???
Thanks for all of you guy's help....
Jim
any last ideas???
Thanks for all of you guy's help....
Jim
Moderator
Joined: Jan 2001
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From: Virginia
Do you have voltage on the coil +?
Do you have voltage on the red wire to the module?(I believe this will hook to the blue/white wire from the harness).
Do you have the black wire hooked up to the dist? This is the only ground for the whole system.
Do you have voltage on the red wire to the module?(I believe this will hook to the blue/white wire from the harness).
Do you have the black wire hooked up to the dist? This is the only ground for the whole system.
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Senior User
Joined: May 2008
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From: Lupton, Mi
Not sure, Yes, Yes.
I am still useing the square coil. Is that ok? I thought I'd be better as I just bought it 3 days ago. I have the round one but I have no center wire for it as I didn't relise it was different connector on it when I was at the junk yard today.
Also, I ahve a new GM Modgual from a 93 chevy with a 4.3 and I have used these in 350's... Can this be used if i can't get the duraspark box working? It has 2 pins sticking out saying P and N. There the small plug has a +C and the larger plug has a GMRE... Just an idea.
Thanks
I am still useing the square coil. Is that ok? I thought I'd be better as I just bought it 3 days ago. I have the round one but I have no center wire for it as I didn't relise it was different connector on it when I was at the junk yard today.
Also, I ahve a new GM Modgual from a 93 chevy with a 4.3 and I have used these in 350's... Can this be used if i can't get the duraspark box working? It has 2 pins sticking out saying P and N. There the small plug has a +C and the larger plug has a GMRE... Just an idea.
Thanks
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Senior User
Joined: May 2008
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From: Lupton, Mi
No power to the coil. I ahve a blassest resister between the + on the coil and the battery (I'm direct wiring it to the battery to test this to see how it will work before wiring it in permint).
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pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
I assume the distributor is turning.
Either the box is bad or the pickup in the distributor is bad.
I get like 660 Ohms across my pickup.
*edit*
Another thought, you're going to cook your coil if you leave it hooked up w/o a resistor......
Either the box is bad or the pickup in the distributor is bad.
I get like 660 Ohms across my pickup.
*edit*
Another thought, you're going to cook your coil if you leave it hooked up w/o a resistor......
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Senior User
Joined: May 2008
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From: Lupton, Mi
Well, I'm done. Its going to the scrap yard. I have sunk too much money into it in the last 2 weeks. It was my grandpa's old truck and I got it when he died so no one knew what was really wrong with it. It's like "The Money Pit".
Thanks.
Jim
Thanks.
Jim
Thread Starter
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Senior User
Joined: May 2008
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From: Lupton, Mi
well... I could not get it timmed and all i heard was how converting it to a duraspark system would fix everything.... and its not. Now it wont even run and I have wired it too many time to count, bought 5 ballast resisters so I know I can't have a bad one.... I'm just tired of it. Its a 22yr old truck and its rusty... I had not planned spending $500.00 in parts and not being able to drive it. I could have gottin my old dodge back on the road for that.
Post Fiend
Joined: Jul 2004
Posts: 8,786
Likes: 28
From: Northern California
There's really only five things that will cause a no spark condition on the Duraspark II.
1) Bad Module, but you say your module is good.
2) Bad Coil, + if in doubt put a new one on it.
3) Magnetic Pickup in the distributor. This as far as I can tell you have not checked.
4) Bad wiring. Double check the wiring. A bad resistor can be checked easily with a mutimeter.
5) Bad Ignition Switch,
Test one thing at a time, and totally eliminate that section first, then go to the next.
1) Bad Module, but you say your module is good.
2) Bad Coil, + if in doubt put a new one on it.
3) Magnetic Pickup in the distributor. This as far as I can tell you have not checked.
4) Bad wiring. Double check the wiring. A bad resistor can be checked easily with a mutimeter.
5) Bad Ignition Switch,
Test one thing at a time, and totally eliminate that section first, then go to the next.
Post Fiend
Joined: Jul 2004
Posts: 8,786
Likes: 28
From: Northern California
The resistor Wire should be color Red/Lt. Green stripe. The same color as the coil wire from the ignition switch.